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October 26, 1998
These release notes list the new features and caveats for the Cisco AS5800 universal access server supported in Cisco IOS Release 12.0(1). Cisco IOS Release 12.0(1) is based upon the Cisco IOS Release 11.3(2)AA. This release note is updated with each maintenance release of the Cisco IOS software, which is typically every 6 weeks.
Use these release notes in conjunction with the Release Notes for Cisco IOS Release 12.0 located on Cisco Connection Online (CCO) and the Documentation CD-ROM found at the end of these release notes.
For a list of software caveats that apply to this release, refer to the "Caveats" section later in this document and to the Caveats for Release 12.0 document that accompanies this release note, also located on CCO and the Documentation CD-ROM.
These release notes discuss the following topics:
The Cisco AS5800 is a high-density, ISDN and modem WAN aggregation system that provides digital and analog call termination. It is intended to be used as a service provider dial point-of-presence (POP) or centralized enterprise dial gateway. The Cisco AS5800 consists of a dial shelf, a router shelf, and a system controller:
The Cisco 5814 dial shelf and host Cisco 7206 router shelf communicate over a a dial shelf interconnect cable (DSIC). This nonblocking interconnect supports 100 Mbps, full-duplex data transfer. Data is converted into packets by the feature cards, transmitted to a hub on the dial shelf controller (DSC) card, and from there sent to the router shelf. Conversely, packets from the router shelf are sent to the DSC card, where they are transmitted over the backplane to the modem and trunk cards.
For more information on the Cisco AS5800, refer to the Cisco AS5800 Universal Access Server Software Installation and Configuration Guide (Document Number DOC-5800-SICG=) or the Cisco AS5800 Universal Access Server Software Installation and Configuration Guide (Document Number DOC-5800-HICG) that shipped with your system.
This section describes the system requirements for Release 12.0(1) and includes the following sections:
Table 1 describes the memory requirements for the Cisco AS5800 feature sets supported by Cisco IOS Release 12.0(1). Flash memory is optional for these Cisco AS500 images.
| System Components | Feature Set | Image Name | Required Flash Memory | Required DRAM Memory | Runs From |
|---|---|---|---|---|---|
Cisco AS5800 Router | IP Plus | c5800-p4-mz | 16 MB Flash | 64 MB DRAM | RAM |
Dial Shelf: Cisco 5814 | IP Plus | dsc-c5800-mz | 8 MB Flash | 32 MB DRAM | RAM |
System Controller: Cisco 3640 | IP Plus | c3640-c2is-mz | 16 MB Flash | 64 MB DRAM | RAM |
The Cisco AS5800 universal access server includes:
Cisco IOS Release 12.0(1) and later includes bundled modem code, which is the firmware or portware that runs on the Microcom 12-port and MICA 6-port modem cards. Modem code is bundled with the Cisco IOS software image to eliminate the need to store separate modem code. When the access server starts, the Cisco IOS software unpacks the modem code and loads the proper code on the modem cards. Table 2 lists the current bundled modem code versions.
| Modem Module | Current Bundled Modem Code Version | Minimum Cisco IOS Software Release |
Microcom modems | Microcom version 3.1.30 | 11.3(3)T and later |
MICA modems | MICA portware version 2.0.1.7 | 11.3(3)T and later |
The show modem mapping command lists all versions of modem code running on the modem modules, residing in system Flash, and bundled with Cisco IOS software. Enter this command to help you decide if you need to update your modem code files.
The modem code release notes are on CCO and on the Documentation CD-ROM.
To determine the version of Cisco IOS software running on your Cisco AS5800 universal access server, log on to the access server and enter the show version User EXEC command:
router> show version
The following is sample output from the show version command. The version number is indicated on the second line as shown below:
Cisco Internetwork Operating System Software IOS (tm) 5800 Software (C5800-p4-mz), Version 12.0.......
Additional command output lines include more information, such as processor revision numbers, memory amounts, hardware IDs, and partition information.
The Cisco AS5800 universal access server contains multiple Cisco IOS software images. Four images are required to run the entire system (see Table 3 ). However, only the first three software images listed require part numbers for ordering.
| Filename | Description |
|---|---|
c5800-p4-mz | Router shelf image---Cisco IOS software image supporting the Cisco 7206 router shelf functionality, bundled trunk card, and modem card images. |
c7200-boot-mz | Router shelf boot image---Boot helper image for the Cisco 7206 router shelf |
dsc-c5800-mz | Dial shelf controller image---Special image for the Cisco 5814 dial shelf controller card |
das-c5800-m.ucode | Dial shelf feature board image---Cisco 5814 dial shelf feature card image bundled into the router shelf image |
For information on upgrading to a new software release, refer to the Cisco IOS Software Release Upgrade Paths and Packaging Simplification product bulletin #703 located on CCO. For more information, refer to the "Cisco Connection Online" section later in this document.
On CCO, follow this path:
Products and Ordering: Product Bulletins: Upgrade Paths and Packaging Simplification
This section lists Cisco IOS software feature sets available for the Cisco AS5800. Table 4 uses the following terms to identify features:
| Feature Set Matrix Term | Description |
|---|---|
Yes | This feature is offered. |
No | This feature is not offered. |
In | The "In" column lists the Cisco IOS release that first introduces a feature. For example, (1) means a feature is introduced in 12.0(1). If a cell has a dash in this column, the feature was included in the initial, base release. |
Table 4 lists the feature sets supported up to and including Cisco IOS Release 11.3(2)AA. IPSEC listed in this table is an abbreviation for IP Security.
| Features | IP Plus | In |
|---|---|---|
| IBM Support |
|
|
APPN High-Performance Routing | No | - |
APPN MIB Enhancements | No | - |
APPN over Ethernet LAN Emulation | No | - |
APPN Scalability Enhancements | No | - |
Bisync Enhancements:
| No | - |
Cisco MultiPath Channel (CMPC) | No | - |
DLSw+ Enhancements:
| No | - |
FRAS Enhancements:
| No | - |
RIF Passthru in DLSw+ | No | - |
SRB over FDDI on Cisco 4000-M, 4500-M, and 4700-M Routers | No | - |
TN3270 LU Nailing | No | - |
TN3270 Server Enhancements | No | - |
Token Ring LANE | No | - |
Tunneling of Asynchronous Security Protocols | No | - |
| Internet |
| - |
DRP Server Agent | No | - |
DRP Server Agent Enhancements | No | - |
L2TP | No | - |
SS7 | No | - |
| IP Routing |
| - |
Easy IP (Phase 1) | Yes | (1) |
Hot Standby Router Protocol (HSRP) over ISL in Virtual LAN Configurations | No | - |
IP Enhanced IGRP Route Authentication | Yes | (1) |
OSPF LSA Group Pacing | Yes | (1) |
OSPF Point-to-Multipoint Networks with Neighbors | Yes | (1) |
Per User DNS | No | - |
PIM Version 2 | Yes | (1) |
TCP Enhancements:
| Yes | (1) |
| LAN Support |
|
|
AppleTalk Access List Enhancements | No | - |
DECnet Accounting | No | - |
IPX Named Access Lists | No | - |
IPX SAP-after-RIP | No | - |
NLSP Enhancements | No | - |
NLSP Multicast Support | No | - |
| Management |
|
|
Cisco Call History MIB Command Line Interface | Yes | (1) |
Cisco IOS File System | Yes | (1) |
Cisco IOS Internationalization | Yes | (1) |
Conditionally Triggered Debugging | Yes | (1) |
Entity MIB, Phase 1 | Yes | (1) |
External Portware Download | No | - |
Show Caller Command | No | - |
Show Modem Command | No | - |
SNMP v2C | Yes | (1) |
SNMP Inform Requests | No | - |
Virtual Profiles | Yes | (1) |
VPDN MIB | No | (1) |
VPDN MIB and Syslog Facility | No | - |
| Multimedia |
|
|
IP Multicast Load Splitting across Equal-Cost Paths | Yes | (1) |
IP Multicast over ATM Point-to-Multipoint Virtual Circuits | Yes | (1) |
IP Multicast over Token Ring LANs | Yes | (1) |
Stub IP Multicast Routing | Yes | (1) |
| Quality of Service |
|
|
RTP Header Compression | No | - |
| Security |
|
|
AAA Scalability | No | - |
Authenticating ACL | No | - |
Automated Double Authentication | No | - |
Certificate Authority Interoperability | No | - |
Double Authentication | Yes | (1) |
Encrypted Kerberized Telnet | No | - |
HTTP Security | Yes | (1) |
Internet Key Exchange Security Protocol | No | - |
IPSec Network Security | No | - |
MS-CHAP Support | No | - |
Named Method Lists for AAA Authentication and Accounting | No | - |
Per-User Configuration | Yes | (1) |
Reflexive Access Lists | Yes | (1) |
TCP Intercept | No | - |
Vendor-Proprietary RADIUS Attributes | Yes | (1) |
Vendor-Proprietary RADIUS -Additional Attributes | No | - |
| Switching |
|
|
AppleTalk Routing over ISL and IEEE 802.10 in Virtual LANs | No | - |
CLNS and DECnet Fast Switching over PPP | No | - |
DECnet/Vines/XNS over ISL:
| No | - |
Fast-Switched Policy Routing | Yes | (1) |
IPX Routing over ISL Virtual LANs | No | - |
VIP Distributed Switching Support for IP Encapsulated in ISL | No | - |
| Terminal Services |
|
|
Telnet Extensions for Dialout | No | - |
Virtual Templates for Protocol Translation | No | - |
| WAN Optimization |
|
|
ATM MIB Enhancements | No | - |
PAD Enhancements | No | - |
PAD Subaddressing | Yes | (1) |
| WAN Services |
|
|
Always On/Dynamic ISDN (AO/DI) | No | - |
Bandwidth Allocation Control Protocol | Yes | (1) |
Channelized T3 | No | - |
Dialer Watch | Yes | (1) |
E1 R2 | No | - |
E1 R1 Support for Taiwan only | No | - |
Enhanced Local Management Interface (ELMI) | No | - |
Frame Relay Enhancements | Yes | (1) |
Frame Relay MIB Extensions | Yes | (1) |
Frame Relay Router ForeSight | Yes | (1) |
GRE VPN | No | - |
ISDN Advice of Charge | Yes | (1) |
ISDN Caller ID Callback | Yes | (1) |
ISDN NFAS | Yes | (1) |
Layer 2 Forwarding---Fast Switching | Yes | (1) |
Leased-Line ISDN at 128 kbps | No | - |
Microsoft Point-to-Point Compression (MPPC) | No | - |
MS Callback | Yes | (1) |
Modem Management Enhancements | Yes | (1) |
Multiple ISDN Switch Types | No | - |
National ISDN Switch Types for BRI and PRI Interfaces (NI2) | No | - |
PPP over ATM | No | - |
Stackable Home Gateway | No | - |
Switched 56K Digital Connections | No | - |
Telnet Extensions for Dialout | No | - |
X.25 Enhancements | Yes | (1) |
X.25 on ISDN | Yes | (1) |
This section lists the new features supported by the Cisco AS5800 for Cisco IOS in Release 12.0(1).
The following new features for the Cisco AS5800 universal access server are available for Cisco IOS Release 12.0(1). Documentation is also provided for these features.
Remote Authentication Dial-In User Server (RADIUS) is an access server authentication, authorization, and accounting protocol originally developed by Livingston, Inc. Although an Internet Engineering Task Force (IETF) draft standard for RADIUS specifies a method for communicating vendor-proprietary information between the network access server and the RADIUS server, some vendors have extended the RADIUS attribute set in a unique way. In this release, Cisco IOS software introduces support for additional vendor-proprietary RADIUS attributes. Users who have implemented security solutions using a vendor-proprietary implementation of RADIUS can now integrate Cisco access routers into their networks more easily.
Microsoft Point-to-Point Compression (MPPC) is a scheme used to compress Point-to-Point Protocol (PPP) packets between Cisco and Microsoft client devices. The MPPC algorithm is designed to optimize processor and bandwidth utilization in order to support multiple simultaneous connections. The MPPC algorithm uses a Lempel-Ziv (LZ) based algorithm with a continuous history buffer, called a dictionary.
Microsoft Challenge Handshake Authentication Protocol (MS-CHAP) is the Microsoft version of CHAP. Like the standard version of CHAP, MS-CHAP is used for PPP authentication; in this case, authentication occurs between a PC using Microsoft Windows NT or Microsoft Windows 95 and a Cisco router or access server acting as a network access server (NAS).
MS-CHAP differs from the standard CHAP as follows:
Depending on the security protocols you have implemented, PPP authentication using MS-CHAP can be used with or without Authentication, Authorization and Accounting (AAA) security services. If you have enabled AAA, PPP authentication using MS-CHAP can be used in conjunction with both TACACS+ and RADIUS.
The Multiple ISDN Switch Types feature allows you to configure more than one ISDN switch type per router. You can apply an ISDN switch type on a per interface basis, thus extending the existing global isdn switch-type command to the interface level. This allows Basic Rate Interfaces (BRI) and Primary Rate Interfaces (PRI) to run simultaneously on platforms that support both interface types.
The isdn tei command is also extended to the interface level. Terminal endpoint negotiation (TEI) determines when Layer 2 is activated (powerup or first-call).
In earlier Cisco IOS releases, only named authentication method lists were supported under Cisco's Authentication, Authorization, and Accounting (AAA) network security services. With Cisco IOS Release 11.3(3)T, AAA has been extended to support both authorization and accounting named method lists. Named method lists for authorization and accounting function the same way as those for authentication; they allow you to define different methods for authorization and accounting and apply those methods on a per-interface or per-line basis.
National ISDN Switch Types for Basic Rate and Primary Rate Interfaces introduces changes to ISDN switch types for Primary Rate Interfaces (PRI) and Basic Rate Interfaces (BRI) as follows:
The Performance Data Collection feature allows a system controller, Cisco 3640, to collect and store SNMP MIB data from its managed router and dial shelves. The system controller then serves as a central point for network management data collection. The system controller collects the raw data from the managed shelves periodically, saves the data, and provides a single access point for a central network management application. The data can then be uploaded to a network management station using FTP or TFTP.
The Virtual Private Dialup Network (VPDN) Management Information Base (MIB) feature is intended to support all the tables and objects defined in "Cisco VPDN Management MIB" for the user sessions of the VPDN features. There are a number of commands which provide information and statistics through the Command Line Interface (CLI) but not Simple Network Management Protocol (SNMP); the Cisco VPDN MIB has been created to satisfy the need to provide information and statistics through SNMP.
The following new features for the Cisco AS5800 universal access server are available for
Cisco IOS Release 11.3(2)AA. Documentation is also provided for these features.
The following features are for the Cisco 3640 system controller:
This feature module presents the new features for the Cisco AS5800 universal access server and includes a description of the system, supported MIBs and RFCs, and configuration tasks including the following:
The Cisco IOS File System (IFS) feature provides a single interface to all file systems the router uses:
Any other endpoint for reading or writing data (NVRAM, the running configuration, ROM, raw system memory, system bundled microcode, Xmodem, Flash load helper log, Lex interfaces, modems, and BRI MUX interfaces).
The Conditionally Triggered Debugging feature limits debugging messages based on their related interface or subinterface. When this feature is enabled, the router will generate debugging messages for packets entering or leaving the router on a specified interface. However, the router will not generate debugging output for packets entering or leaving through a different interface. This feature allows you to focus debugging output on the problematic interface or interfaces. You can specify the interfaces explicitly. For example, you may only want to see debugging messages for one interface or subinterface. You can also turn on debugging for all interfaces that meet specified conditions, such as a particular username, calling party number, or called party number. If you specify multiple conditions, the interface must meet at least one of the conditions.
The Authentication, Authorization and Accounting (AAA) Scalability feature enables you to configure and monitor the number of background processes allocated by the PPP manager in the network access server (NAS) to deal with AAA authentication and authorization requests. In previous Cisco IOS releases, only one background process was allocated to handle all AAA requests for PPP. This meant that parallelism in AAA servers could not be fully exploited. The AAA Scalability feature enables you to configure the number of processes used to handle AAA requests for PPP, thus increasing the number of users that can be simultaneously authenticated or authorized.
The OSPF LSA group pacing feature allows the router to group together OSPF link state advertisements (LSAs) and pace the refreshing, checksumming, and aging functions. The group pacing results in more efficient use of the router.
OSPF has two new features related to point-to-multipoint networks. One feature applies to broadcast networks; the other feature applies to nonbroadcast networks. On point-to-multipoint, broadcast networks, there is no need to specify neighbors. However, you can specify neighbors with the neighbor command, in which case you should specify a cost to that neighbor. On point-to-multipoint, nonbroadcast networks, you now use the neighbor command to identify neighbors. Assigning a cost to a neighbor is optional.
Before this feature, some OSPF point-to-multipoint protocol traffic was treated as multicast traffic. Therefore, the neighbor command was not needed for point-to-multipoint interfaces because multicast took care of the traffic. Hellos, updates, and acknowledgments were sent using multicast. In particular, multicast hellos discovered all neighbors dynamically. Some customers, however, were using point-to-multipoint on nonbroadcast media (such as classic IP over ATM), so their routers could not dynamically discover their neighbors. This feature allows the neighbor command to be used on point-to-multipoint interfaces. On any point-to-multipoint interface (broadcast or not), the Cisco IOS software assumes the cost to each neighbor is equal. The cost is configured with the
ip ospf cost command. In reality, the bandwidth to each neighbor is different, so the cost should be different. With this feature, you can configure a separate cost to each neighbor. This feature applies to point-to-multipoint interfaces only.
Dialer Watch is a backup feature that integrates dial backup with routing capabilities. Prior dial backup implementations used the following conditions to trigger backup:
Prior backup implementations might not have supplied optimum performance on some networks, such as those using Frame Relay multipoint subinterfaces or Frame Relay connections that do not support end-to-end LMI.
Dialer Watch provides reliable connectivity without relying solely on defining interesting traffic to trigger outgoing calls at the central router. Dialer Watch uses the convergence times and characteristics of dynamic routing protocols. Integrating backup and routing features enables Dialer Watch to monitor every deleted route. By configuring a set of watched routes that define the primary interface, you are able to monitor and track the status of the primary interface as watched routes are added and deleted. Monitoring the watched routes is done in the following sequence:
1. Whenever a watched route is deleted, Dialer Watch checks to see if there is at least one valid route for any of the watched IP addresses defined.
2. If there is no valid route, the primary line is considered down and unusable.
3. If there is a valid route for at least one of the defined watched IP addresses, and if the route is pointing to an interface other than the backup interface configured for Dialer Watch, the primary link is considered up.
4. In the event that the primary link goes down, Dialer Watch is immediately notified by the routing protocol and the secondary link is brought up.
5. Once the secondary link is up, at the expiration of each idle timeout, the primary link is rechecked.
6. If the primary link remains down, the idle timer is indefinitely reset.
7. If the primary link is up, the secondary backup link is disconnected. Additionally, a disable timer can be set to create a delay for the secondary link to disconnect, after the primary link is reestablished.
The MS Callback feature provides client-server callback services for Microsoft Windows 95 and Microsoft Windows NT clients. MS Callback supports the Microsoft Callback Control Protocol (MSCB). MSCB is a Microsoft proprietary protocol used by Windows 95 and Windows NT clients. MS Callback supports negotiated PPP Link Control Protocol (LCP) extensions initiated and agreed upon by the Microsoft client. MS Callback is added to existing PPP Callback functionality. Therefore, if you configure your Cisco AS5800 to perform PPP Callback using Cisco IOS Release 11.3(2)T or later, MS Callback is automatically available.
MS Callback supports AAA security models using a local database or AAA server. MSCB uses LCP callback options with suboption type 6. The Cisco MS Callback feature supports clients with a user-specified callback number and server-specified (preconfigured) callback number. MS Callback does not affect non-Microsoft machines that implement standard PPP LCP extensions as described in RFC 1570. In this scenario, MS Callback is transparent.
Protocol-Independent Multicast (PIM) Version 2 includes the following improvements over PIM Version 1:
PIM Version 1, together with the Auto-RP feature, can perform the same tasks as the PIM Version 2 BSR. However, Auto-RP is a stand-alone protocol, separate from PIM Version 1, and is Cisco proprietary. PIM Version 2 is a standards track protocol in the Internet Engineering Task Force (IETF).
Cisco's PIM Version 2 implementation allows good interoperability and transition between Version 1 and Version 2. You can upgrade to PIM Version 2 incrementally. PIM Versions 1 and 2 can be configured on different routers within one network. Internally, all routers on a shared media network must run the same PIM version. Therefore, if a PIM Version 2 router detects a PIM Version 1 router, the Version 2 router downgrades itself to Version 1 until all Version 1 routers have been shut down or upgraded.
PIM uses the BSR to discover and announce RP-set information for each group prefix to all the routers in a PIM domain. This is the same function accomplished by Auto-RP, but the BSR is part of the PIM Version 2 specification. The BSR mechanism interoperates with Auto-RP.
To avoid a single point of failure, you can configure several candidate BSRs in a PIM domain. A BSR is elected among the candidate BSRs automatically; they use bootstrap messages to discover which BSR has the highest priority. This router then announces to all PIM routers in the PIM domain that it is the BSR.
Routers that are configured as candidate RPs then unicast to the BSR the group range for which they are responsible. The BSR includes this information in its bootstrap messages and disseminates it to all PIM routers in the domain. Based on this information, all routers will be able to map multicast groups to specific RPs. As long as a router is receiving the bootstrap message, it has a current RP map.
The DRP Server Agent enhancements are as follows:
For VPDN (Virtual Private Dial Network) sessions, information on active tunnels and sessions will be retrievable by SNM P from the VPDN MIB.
The following software enhancement was first introduced in Cisco IOS Release 11.3(1)T, and is now available for the Cisco AS5800. The SNMP Inform Requests feature allows routers to send inform requests to SNMP managers.
Routers can send notifications to SNMP managers when particular events occur. For example, an agent router might send a message to a manager when the agent router experiences an error condition. SNMP notifications can be sent as traps or inform requests. Traps are unreliable because the receiver does not send any acknowledgment when it receives a trap. The sender cannot determine if the trap was received. However, an SNMP manager that receives an inform request acknowledges the message with an SNMP response PDU. If the manager does not receive an inform request, it does not send a response. If the sender never receives a response, the inform request can be sent again. Thus, informs are more likely to reach their intended destination.
Because they are more reliable, informs consume more resources in the router and in the network. Unlike a trap, which is discarded as soon as it is sent, an inform request must be held in memory until a response is received or the request times out. Also, traps are sent only once, while an inform may be retried several times.
The retries increase traffic and contribute to a higher overhead on the network. Thus, traps and inform requests provide a trade-off between reliability and resources. If it is important that the SNMP manager receives every notification, use inform requests. On the other hand, if you are concerned about traffic on your network or memory in the router and you do not need to receive every notification, use traps.
This modem management enhancements feature is available for Cisco AS5800 universal access servers using MICA modems. A snapshot of all the firmware versions running on all modems in the access server can be displayed by using the show modem mapping command. This command also shows the source location of each version of firmware (for example, running out of Flash memory, boot Flash memory, or bundled with Cisco IOS software). This command is useful for managing and monitoring multiple versions of modem firmware running in an access server.
The Shelf Discovery and Autoconfiguration feature allows a system controller to automatically discover new shelves and properly configure them to interact with the system controller. The system controller communicates with its managed shelves through the Shelf Discovery Protocol (SDP), which runs on top of UDP.
The Health Monitor feature monitors key performance attributes of the shelves managed by the system controller. The Health Monitor feature continually polls its managed shelves to obtain the information stored in the Health Monitor MIB. Management stations collect information for all the shelves from the system controller rather than by polling each shelf individually. In addition, you can configure specific performance thresholds for all managed shelves through simple commands on the system controller. The system controller uses SNMP to automatically configure the following on each managed shelf:
When threshold traps are received by the system controller, they are converted to Health Monitor traps and sent to trap destinations configured in the system controller.
The Virtual Console feature allows you to access dial and router shelves connected to a system controller. During a system controller session, you can connect to a router or dial shelf at the same privilege level as the current system controller session. By entering one command, you can Telnet directly to a shelf, provide a username and password, and then go to the same privilege level as the system controller.
The FTP Server feature configures a router to act as an FTP server. FTP clients can copy files to and from certain directories on the router. In addition, the router can perform many other standard FTP server functions.
The Syslog Disk Logging feature allows you to collect, store, and retrieve all managed shelf syslog messages through the system controller. The system controller receives syslog messages from managed shelves and stores these messages in subfiles on its disk. Each syslog message stored in a subfile contains the following information:
In addition, this feature provides an enhanced method of viewing messages in the logging history table. Messages can be displayed based on host IP address, time received, and order receive
This section contains open caveats for the current Cisco IOS maintenance release only. For information on caveats in previous maintenance releases, refer to the Caveats for Release 11.3, refer to the "caveates" section in ght Cross-Platform Release Notes for Cisco IOS Release 12.0(1) document located on CCO and the Documentation CD-ROM . This section contains caveats affecting all maintenance releases.
This section describes possibly unexpected behavior by Release 12.0(1). This section describes only severity 1 and 2 caveats.
The workaround is to reconfigure compression (for example, use the no comp and comp stac commands). [CSCdj14601]
00:39:38: %SYS-2-INPUTQ: INPUTQ set, but no IDB, ptr=ADDD9C -Traceback= 148D3A 572A 4DF4 110064 17DAA2 17B0DA 14CC 10005B4 10047DA
There is currently no workaround for this problem. [CSCdk25935]
hold-queue 200 in
[CSCdk36470]
Workaround: When changing encapsulation on a PRI interface, first shut down the interface before configuring new encapsulation. [CSCdj91477]
The workaround is just to proceed regardless of the reset status, as the old HSSI microcode did. [CSCdk39193]
The following conditions must exist for policy routing to fail:
The workaround is to use the clear ip cache command, or remove fast-switching by using the no ip route-cache command. [CSCdk12537]
%SYS-3-CPUHOG: Task ran for 2672 msec (87/71), Process = IP Input
[CSCdk26388]
A workaround is to use the shut then the no shut commands on the interface. [CSCdk40372]
The workaround is to replace the EIP interface processors with VIP interface processors and Ethernet Port adapters. A less effective workaround is to reduce the number of HSRP groups, or to increase the HSRP hello and hold time. [CSCdj29595]
The current workaround is to disable fastswitching on the LANs. [CSCdj91142]
The workaround is to use a modem that has the Broadcom Chip set. Since the SYNC message is a well known size, the Broadcom chip set can read the CMTS Timestamp without looking at the length field. [CSCdk46537]
The workaround is to enable FIFO queuing on the interface. [CSCdk50099]
The workaround is to disable the debug x25 events command. [CSCdk23276]
A workaround is to configure the aaa accounting update periodic x command at startup time. Set x to a large number to avoid lots of periodic update accounting records. [CSCdk43196]
Enter hex value: 221B763A 22093530 2206C92C FFFFFFFF 0x221B763A:_getbuffer(0x22052d90+0x16487a)+0x30 0x22093530:_L2D_Srq_Task(0x22052d90+0x4049e)+0x302 0x2206C92C:_TaskBegin(0x22052d90+0x19b86)+0x16 0xFFFFFFFF:_etext(0x22052d90+0xa1ae78)+0xdd5923f7 Enter hex value: 221B763A 22093530 2206C92C FFFFFFFF 0x221B763A:_getbuffer(0x22052d90+0x16487a)+0x30 0x22093530:_L2D_Srq_Task(0x22052d90+0x4049e)+0x302 0x2206C92C:_TaskBegin(0x22052d90+0x19b86)+0x16 0xFFFFFFFF:_etext(0x22052d90+0xa1ae78)+0xdd5923f7
[CSCdk46784]
Since Release 12.0(1) is the first maintenance release of Cisco IOS software release 12.0, there is no history of resolved caveats. The next maintenance release of Cisco IOS 12.0(2) will provide a list of resolved caveats.
This section describes the documentation available for the Cisco AS5000. Typically these documents consist of hardware installation guides, software installation guide guides, Cisco IOS configuration and command references, system error messages, and feature modules, which are updates to the Cisco IOS documentation. Documentation is available as printed manuals or electronic documents, except for feature modules, which are available online only.
The most up-to-date documentation can be found on the Web via Cisco Connection Online (CCO) and on the latest Documentation CD-ROM. These electronic documents might contain updates and modifications made after the paper documents were printed. For information on CCO, refer to the "Cisco Connection Online" section later in this document. For more information on to the CD-ROM, refer to the "Documentation CD-ROM " section later in this document.
Use these release notes with:
The documentation for new Release 12.0(1) features is available online only. This new feature documentation includes configuration tasks and new and changed command reference pages that supplement the Cisco IOS Release 11.3 configuration guide and command reference publications.
Cisco IOS Release 11.3 documentation and Release 11.3 AA feature documentation can be found on CCO and the Documentation CD-ROM:
The Cisco AS5800 universal access server is comprised of the Cisco 5814 dial shelf, the Cisco 7206 router shelf, and an optional AC power supply. To help you manage multiple systems, the Cisco 3640 system controller network management system is available to provide local data gathering and monitoring functions for multiple hardware platforms within a single point of presence (POP).
The Cisco 3640 system controller facilitates the management of AS5800 systems by performing automated monitoring and data collection. The Cisco 3640 has 220 MB of non-volatile storage for the temporary storage of log files, images, and MIB statistics. Because it is based upon the
Cisco 3640 modular access router, the Cisco 3640 also provides connectivity and routing for an out-of-band management network while it is performing network management functions.
The Cisco AS5800 universal access server and the Cisco 3640 system controller network management system are available to help you manage your dial POP site efficiently and effectively. Each of these products is supported by documentation listed in Table 1.
| Cisco Product | Document Title |
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Cisco AS5800 universal access server |
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Cisco 7206 router shelf |
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Cisco 3640 system controller |
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Cisco IOS software |
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Cisco marketing tools |
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This documentation can be found on CCO and the Documentation CD-ROM:
The following are some of the Cisco IOS Release document types that are available in electronic form, printed form, or both forms:
Table 6 lists the Cisco IOS software documentation set that contains Cisco IOS configuration guides, command references, and several supporting documents. The document set is available in electronic form, and is also available in printed form if you special order it.
You can access the Cisco IOS software electronic documents from Cisco Connection Online (CCO) on the Web and the Cisco Documentation CD-ROM:
The following are some of the types of Cisco IOS Release 12.0 documents available:
For Product Bulletins on CCO, the path is as follows from Cisco Connection Online: Products and Ordering: More Information: Product Bulletins. In the Software area, under Cisco IOS 12.0, click Cisco IOS Software Release 12.0 Upgrade Paths.
For additional information about the CCO and Documentation CD-ROM, refer to the sections "Cisco Connection Online" and "Documentation CD-ROM " at the end of these release notes.
Each module consists of two books: a configuration guide and a corresponding command reference. Chapters in a configuration guide describe protocols, configuration tasks, and Cisco IOS software functionality and contain comprehensive configuration examples. Chapters in a command reference provide complete command syntax information. Each configuration guide can be used in conjunction with its corresponding command reference.
Two master indexes provide indexing information for the Cisco IOS software documentation set: an index for the configuration guides and an index for the command references. In addition, individual books contain a book-specific index.
The Cisco IOS documentation set consists of the following books and chapter topics:
| Books | Chapter Topics |
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| Configuration Fundamentals Overview Cisco IOS User Interfaces File Management Interface Configuration System Management |
| IP Addressing IP Services IP Routing Protocols |
| AppleTalk Novell IPX |
| Apollo Domain Banyan VINES DECnet ISO CLNS XNS |
| ATM Frame Relay SMDS X.25 and LAPB |
| AAA Security Services Security Server Protocols Traffic Filtering Network Data Encryption Passwords and Privileges Neighbor Router Authentication IP Security Options |
| Dial Business Solutions and Examples Dial-In Port Setup DDR and Dial Backup Remote Node and Terminal Service Cost-Control and Large-Scale Dial Solutions VPDN |
| Switching Paths for IP Networks Fast Switching Autonomous Switching NetFlow Switching Optimum Switching Virtual LAN (VLAN) Switching and Routing Inter-Switch Link Protocol Encapsulation IEEE 802.10 Encapsulation LAN Emulation |
| Transparent Bridging Source-Route Bridging Remote Source-Route Bridging DLSw+ STUN and BSTUN LLC2 and SDLC IBM Network Media Translation DSPU and SNA Service Point SNA Frame Relay Access Support APPN NCIA Client/Server Topologies IBM Channel Attach |
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For service and support for a product purchased from a reseller, contact the reseller. Resellers offer a wide variety of Cisco service and support programs, which are described in the section "Service and Support" in the information packet that shipped with your product.
For service and support for a product purchased directly from Cisco, use CCO.
The following URL contains links to access helpful tips on configuring your Cisco products:
http://www.cisco.com/kobayashi/serv_tips.shtml
This URL is subject to change without notice. If it changes, point your web browser to http://www.cisco.com/, and follow this path: Software & Support, Technical Tips (button on left margin).
"Hot Tips" are popular tips and hints gathered from the Cisco Technical Assistance Center (TAC). Most of these documents are available from the TAC FAX-on-demand service. To access FAX-on-demand and receive documents at your FAX machine from the USA, call 888-50-CISCO (888-502-4726). From other areas, call 650-596-4408.
The following sections are provided from the Technical Tips page:
Cisco Connection Online (CCO) is Cisco Systems' primary, real-time support channel. Maintenance customers and partners can self-register on CCO to obtain additional information and services.
Available 24 hours a day, 7 days a week, CCO provides a wealth of standard and value-added services to Cisco's customers and business partners. CCO services include product information, product documentation, software updates, release notes, technical tips, the Bug Navigator, configuration notes, brochures, descriptions of service offerings, and download access to public and authorized files.
CCO serves a wide variety of users through two interfaces that are updated and enhanced simultaneously: a character-based version and a multimedia version that resides on the World Wide Web (WWW). The character-based CCO supports Zmodem, Kermit, Xmodem, FTP, and Internet e-mail, and it is excellent for quick access to information over lower bandwidths. The WWW version of CCO provides richly formatted documents with photographs, figures, graphics, and video, as well as hyperlinks to related information.
You can access CCO in the following ways:
For a copy of CCO's Frequently Asked Questions (FAQ), contact cco-help@cisco.com. For additional information, contact cco-team@cisco.com.
Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM, a member of the Cisco Connection Family, is updated monthly. Therefore, it might be more current than printed documentation. To order additional copies of the Documentation CD-ROM, contact your local sales representative or call customer service. The CD-ROM package is available as a single package or as an annual subscription. You can also access Cisco documentation on the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.
If you are reading Cisco product documentation on the World Wide Web, you can submit comments electronically. Click Feedback in the toolbar and select Documentation. After you complete the form, click Submit to send it to Cisco. We appreciate your comments.
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