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September 5, 2000
These release notes for the Cisco 2600 series support Cisco IOS Release 12.1(4). These release notes are updated as needed to describe new features, memory recommendations, hardware support, software platform deferrals, and changes to the microcode or modem code and related documents.
For a list of the software caveats that apply to Release 12.1(4), see Caveats for Cisco IOS Release 12.1 that accompanies these release notes. This caveats document is updated for every maintenance release and is also located on Cisco Connection Online (CCO) and the Documentation CD-ROM.
Use these release notes with Cross-Platform Release Notes for Cisco IOS Release 12.1 located on CCO and the Documentation CD-ROM.
These release notes describe the following topics:
The Cisco 2600 series modular access routers are designed to adopt future technologies and scale to accommodate network expansion. The Cisco 2600 series shares modular interfaces with the Cisco 1600, Cisco 1700, and Cisco 3600 series, providing:
The Cisco 2600 series modular architecture adapts to changes in network technology as new services and applications become available. Driven by a powerful RISC processor, the Cisco 2600 series supports the advanced quality of service (QoS), security, and network integration features required in evolving enterprise networks.
This section describes the system requirements for Release 12.1:
 |
Note Some network configurations or protocols can require additional DRAM memory. |
| Feature Set by Platform | Image Name | Minimum Flash Memory | Minimum DRAM Memory | Runs From |
|---|---|---|---|---|
IP | c2600-i-mz | 8 MB | 24 MB | RAM |
IP Plus | c2600-is-mz | 8 MB | 40 MB | RAM |
IP Plus IPSec 3DES | c2600-ik2s-mz | 8 MB | 40 MB | RAM |
IP/FW/IDS Plus IPSec 3DES | c2600-ik2o3s-mz | 16 MB | 40 MB | RAM |
IP Plus IPSec 56 | c2600-is56i-mz | 8 MB | 40 MB | RAM |
IP/FW/IDS | c2600-io3-mz | 8 MB | 24 MB | RAM |
IP/FW/IDS Plus IPSec 56 | c2600-io3s56i-mz | 16 MB | 40 MB | RAM |
IP/H323 | c2600-ix-mz | 8 MB | 32 MB | RAM |
IP/IPX/AT/DEC | c2600-d-mz | 8 MB | 24 MB | RAM |
IP/IPX/AT/DEC Plus | c2600-ds-mz | 8 MB | 40 MB | RAM |
IP/IPX/AT/DEC/FW/IDS Plus | c2600-do3s-mz | 16 MB | 40 MB | RAM |
Enterprise Plus | c2600-js-mz | 16 MB | 48 MB | RAM |
Enterprise Plus IPSec 3DES | c2600-jk2s-mz | 16 MB | 48 MB | RAM |
Enterprise Plus IPSec 56 | c2600-js56i-mz | 16 MB | 48 MB | RAM |
Enterprise/SNASw Plus | c2600-a3js-mz | 16 MB | 48 MB | RAM |
Enterprise/SNASw Plus IPSec 3DES | c2600-a3jk2s-mz | 16 MB | 48 MB | RAM |
Enterprise/SNASw Plus IPsec 56 | c2600-a3js56i-mz | 16 MB | 48 MB | RAM |
Enterprise/FW/IDS Plus IPSec 3DES | c2600-jk2o3s-mz | 16 MB | 48 MB | RAM |
Enterprise/FW/IDS Plus IPSec 56 | c2600-jo3s56i-mz | 16 MB | 48 MB | RAM |
Remote Access Server | c2600-c-mz | 8 MB | 24 MB | RAM |
Cisco IOS Release 12.1 supports the Cisco 2600 series routers:
For detailed descriptions of the new hardware features for Cisco IOS Release 12.1, see the Cross-Platform Release Notes for Cisco IOS Release 12.1.
| Interface, Network Module, or Data Rate1 | Platforms Supported | |
|---|---|---|
| LAN Interfaces2 | 1- or 2-port Ethernet (10BaseT) | All Cisco 2600 series platforms |
1-port Token Ring (RJ-45) | Cisco 2612, Cisco 2613 | |
1- or 2-port 10/100 Mbps Ethernet | Cisco 2620, Cisco 2621 | |
| LAN Network Modules | 1-port Ethernet | All Cisco 2600 series platforms |
4-port Ethernet | All Cisco 2600 series platforms | |
1-port ATM-25 RJ-45 interface | All Cisco 2600 series platforms | |
| Serial Network Modules | 16- or 32-port asynchronous/synchronous serial low speed (128 kbps max) | All Cisco 2600 series platforms |
4- or 8-port asynchronous/synchronous serial low speed | All Cisco 2600 series platforms | |
| Multiport E1/T1ATM Network Modules with Inverse Multiplexing over ATM (IMA)3 | 4-port T1 ATM network module with IMA (NM-4T1-IMA) | All Cisco 2600 series platforms |
4-port E1 ATM network module with IMA (NM-4E1-IMA) | All Cisco 2600 series platforms | |
8-port T1 ATM network module with IMA (NM-8T1-IMA) | All Cisco 2600 series platforms | |
8-port E1 ATM network module with IMA (NM-8E1-IMA) | All Cisco 2600 series platforms | |
| Digital T1 Packet Voice Trunk Network Modules and Spare Components | 1-port, 24-channel T1 voice/fax module, supports 24 channels of medium-complexity codecs: G.729a/b, G.726, G.711 and fax or 12 channels of G.726, G.729, G.723.1, G.728, G.729a/b, G.711, and fax. Consists of one NM-HDV, two PVDM-12s, and one VWIC-1MFT-T14. Part number: NM-HDV-1T1-24 | All Cisco 2600 series platforms |
1-port, enhanced 24-channel T1 voice/fax module, supports 24 channels of high- and medium-complexity codecs: G.729a/b, G.726, G.729, G.728, G.723.1, G.711, and fax. Consists of one NM-HDV, four PVDM-12s, and one VWIC-1MFT-T14. Part number: NM-HDV-1T1-24E | All Cisco 2600 series platforms | |
2-port, 48-channel T1 voice/fax module, supports add/drop multiplexing (drop and insert); 48 channels of medium-complexity codecs: G.729a/b, G.726,G.711, and fax; or 24 channels of G726, G729, G723.1, G.728, G729a/b, G711, and fax. Consists of one NM-HDV, four PVDM-12, and one VWIC-2MFT-T1-DI4. Part number: NM-HDV-2T1-48 | All Cisco 2600 series platforms | |
High-density voice/fax network module spare (NM-HDV) | Digital E1/T1 Packet Voice Trunk Network Modules spare component | |
| Digital T1 Packet Voice Trunk Network Modules and Spare Components (continued) | 12-channel packet voice DSP module upgrade spare (PVDM-12) | Digital E1/T1 Packet Voice Trunk Network Modules spare component |
1-port RJ-48 multiflex trunk - T1 (VWIC-1MFT-T1)4 | Digital E1/T1 Packet Voice Trunk Network Modules spare component | |
2-port RJ-48 multiflex trunk - T1 (VWIC-2MFT-T1)4 | Digital E1/T1 Packet Voice Trunk Network Modules spare component | |
2-port RJ-48 multiflex trunk with drop and insert - T1 (VWIC-2MFT-T1-DI)4 | Digital E1/T1 Packet Voice Trunk Network Modules spare component | |
| Dial, ISDN and Channelized Serial Network Modules | 1- or 2-port channelized T1/ISDN PRI | All Cisco 2600 series platforms |
1- or 2-port channelized T1/ISDN PRI with CSU | All Cisco 2600 series platforms | |
1- or 2-port channelized E1/ISDN PRI balanced | All Cisco 2600 series platforms | |
1- or 2-port channelized E1/ISDN PRI unbalanced | All Cisco 2600 series platforms | |
4-or 8-port ISDN BRI S/T interface | All Cisco 2600 series platforms | |
4- or 8-port ISDN BRI U (NT1) interface | All Cisco 2600 series platforms | |
8- or 16-port analog modems | All Cisco 2600 series platforms | |
| E1/T1 Multiflex Voice/WAN Interface Cards5 | 1-port T1 multiflex trunk interface (VWIC-1MFT-T1) | All Cisco 2600 series platforms |
1-port E1 multiflex trunk interface (VWIC-1MFT-E1) | All Cisco 2600 series platforms | |
2-port T1 multiflex trunk interface (VWIC-2MFT-T1) | All Cisco 2600 series platforms | |
2-port E1 multiflex trunk interface (VWIC-2MFT-E1) | All Cisco 2600 series platforms | |
2-port T1 multiflex trunk interface with drop and insert (VWIC-2MFT-T1-DI) | All Cisco 2600 series platforms | |
2-port E1 multiflex trunk interface with drop and insert (VWIC-2MFT-E1-DI) | All Cisco 2600 series platforms | |
| Voice/Fax Interface Cards | 1- or 2- voice interface card slots | All Cisco 2600 series platforms |
1-slot high-density T1/E1 voice interface card slots6 | All Cisco 2600 series platforms | |
2-port FXS voice/fax interface card7 | All Cisco 2600 series platforms with Voice/Fax network modules | |
2-port E&M voice/fax interface card3 | All Cisco 2600 series platforms with Voice/Fax network modules | |
2-port FXO voice/fax interface card3 | All Cisco 2600 series platforms Voice/Fax network modules | |
| WAN Interface Cards | 1-port ISDN BRI S/T interface (requires external NT1) | All Cisco 2600 series platforms |
1-port ISDN BRI (NT1) U | All Cisco 2600 series platforms | |
1-port 56/64 Kbps DSU/CSU | All Cisco 2600 series platforms | |
1-port fractional T1 with DSU/CSU | All Cisco 2600 series platforms | |
1-port high-speed serial (up to 2.048 Mbps) | All Cisco 2600 series platforms | |
2-port dual high-speed serial (up to 2.048 Mbps; asynchronous/synchronous support) | All Cisco 2600 series platforms | |
2-port asynchronous/synchronous (up to 128 Kbps) | All Cisco 2600 series platforms | |
| Advanced Integration Module | Data compression AIM (up to 8.192 Mbps) | All Cisco 2600 series platforms |
To determine the version of Cisco IOS software running on a Cisco 2600 series router, log in to the router and enter the show version EXEC command:
router>show version Cisco Internetwork Operating System Software IOS (tm) 2600 Software (c2600-i-mz), Version 12.1(4), RELEASE SOFTWARE
For general information about upgrading to a new software release, see the product bulletin Cisco IOS Upgrade Ordering Instructions on CCO located at:
Service & Support: Software Center: Cisco IOS Software: Product Bulletins: Software
Under General System Software Bulletins, click Cisco IOS Upgrade Ordering Instructions, No. 957
The latest version of analog modem firmware for the Cisco 2600 series supports the internal analog modems (both NM-16AM and NM-8AM) in a wide range of countries, starting with Cisco IOS Release 11.3(5)T and later releases. The latest firmware (version 1.2.0) also supports dial-out and fax-out.
On CCO, beginning under the Service & Support heading:
Technical Documents: Documentation Home Page: Access Servers and Access Routers: Modular Access Routers: Cisco 2600 Series Routers: Analog Modem Firmware
On the Documentation CD-ROM at:
Cisco Product Documentation: Access Servers and Access Routers: Modular Access Routers: Cisco 2600 Series Routers: Analog Modem Firmware
Cisco IOS software is packaged in feature sets consisting of software images—depending on the platform. Each feature set contains a specific set of Cisco IOS features.
| Feature Sets | Feature Set Matrix Term | Software Image | Platforms | |
|---|---|---|---|---|
| IP Standard Feature Sets | IP |
| c2600-i-mz | All Cisco 2600 series platforms |
IP Plus |
| c2600-is-mz | All Cisco 2600 series platforms | |
IP Plus IPSec 3DES |
| c2600-ik2s-mz | All Cisco 2600 series platforms | |
IP Plus IPSec 56 |
| c2600-is56i-mz | All Cisco 2600 series platforms | |
IP/FW/IDS |
| c2600-io3-mz | All Cisco 2600 series platforms | |
IP/FW/IDS Plus IPSec 3DES |
| c2600-ik2o3s-mz | All Cisco 2600 series platforms | |
IP/FW/IDS Plus IPSec 56 |
| c2600-io3s56i-mz | All Cisco 2600 series platforms | |
IP H.323 |
| c2600-ix-mz | All Cisco 2600 series platforms | |
| IP/IPX/AppleTalk/ DEC Standard Feature Sets | IP/IPX/AT/DEC |
| c2600-d-mz | All Cisco 2600 series platforms |
IP/IPX/AT/DEC Plus |
| c2600-ds-mz | All Cisco 2600 series platforms | |
IP/IPX/AT/DEC/FW/IDS Plus |
| c2600-do3s-mz | All Cisco 2600 series platforms | |
| Enterprise Standard Feature Sets | Enterprise Plus |
| c2600-js-mz | All Cisco 2600 series platforms |
Enterprise Plus IPSec 3DES |
| c2600-jk2s-mz | All Cisco 2600 series platforms | |
Enterprise Plus IPSec 56 |
| c2600-js56i-mz | All Cisco 2600 series platforms | |
Enterprise/FW/IDS Plus IPSec 56 |
| c2600-jo3s56i-mz | All Cisco 2600 series platforms | |
Enterprise/FW/IDS Plus IPSec 3DES |
| c2600-jk2o3s-mz | All Cisco 2600 series platforms | |
| Enterprise/SNASw Standard Feature Sets | Enterprise/SNASw Plus |
| c2600-a3js-mz | All Cisco 2600 series platforms |
Enterprise/SNASw Plus IPSec 3DES |
| c2600-a3jk2s-mz | All Cisco 2600 series platforms | |
Enterprise/SNASw Plus IPSec 56 |
| c2600-a3js56i-mz | All Cisco 2600 series platforms | |
| Remote Access Server Feature Set | Remote Access Server |
| c2600-c-mz | All Cisco 2600 series platforms |
 |
Caution Cisco IOS images with strong encryption (including, but not limited to 168-bit (3DES) data encryption feature sets) are subject to United States government export controls and have limited distribution. Strong encryption images to be installed outside the United States are likely to require an export license. Customer orders may be denied or subject to delay due to United States government regulations. When applicable, you must obtain local import and use authorizations for all encryption strengths. Please contact your sales representative or distributor for more information, or send an e-mail to export@cisco.com. |
Table 4 and Table 5 list the features and feature sets supported by the Cisco 2600 series in Cisco IOS Release 12.1(4) and use the following conventions:
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Note These feature set tables only contain a selected list of features. The tables are not cumulative—nor do they list all the features in each image. |
| Features | Feature Sets | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| IP | IP/ FW IDS | IP/ FW/ IDS Plus IPSec 56 | IP H323 | IP/ IPX/ AT/ DEC | IP Plus | IP Plus IPSec 3DES | IP Plus IPSec 56 | IP/ FW/ IDS Plus IPSec 3DES | IP/ IPX/ AT/ DEC Plus | IP/ IPX/ AT/ DEC/ FW/ IDS Plus | |
| Connectivity | |||||||||||
1FE2P Network Module | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Fast Ethernet (10baseT/100baseT Mbps) Network Ports1 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Layer 2 Tunneling Protocol (L2TP) | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
Layer 2 Tunneling Protocol Dial-out (L2TP) | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
RIP Enhancements | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| IBM Support | |||||||||||
DLSw+ Ethernet Redundancy | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
DLSw+ Load Balancing Enhancements | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
DLSw+ Peer Group Cluster | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
DLSw+ RSVP Bandwidth Reservation | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
SNA Switching Services | No | No | No | No | No | No | No | No | No | No | No |
| IP/IPX Routing | |||||||||||
Airline Product Set Enhancements | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Async over UDP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Data Compression Advanced Interface Module (AIM) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Easy IP Phase 2-DHCP Server | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Flow-based WRED | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
IP RTP Priority | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
IS-IS Multiarea Support | No | No | No | No | No | No | No | No | No | No | No |
NetFlow Policy Routing | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
OSPF Packet Pacing | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
PGM Router Assist | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Response Time Reporter (RTR) Enhancements | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Service Assurance Agent Enhancements (formerly RTR) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Web Cache Communications Protocol V2 (WCCPv2) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Management | |||||||||||
CNS Client for Cisco IOS (IPSec Policy Agent II) | No | No | Yes | No | No | No | No | Yes | Yes | No | No |
ISDN MIB RFC 2127 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Multicast Routing Monitor | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Process MIB | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
SNMP Version 3 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Subnetwork Bandwidth Manager | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Multimedia and Quality of Service | |||||||||||
CLI String Search | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Gateway Support for Alternate Gatekeeper | No | No | No | Yes | No | No | No | No | No | No | No |
Express RTP and TCP Header Compression | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
H.235 Accounting and Security Enhancements for Cisco Gateways | No | No | No | Yes | No | No | No | No | No | No | No |
H.323 Version 2 Support | No | No | No | Yes | No | No | No | No | No | No | No |
Multimedia Conference Manager | No | No | No | Yes | No | No | No | No | No | No | No |
H.323 Multizone Enhancements | No | No | No | Yes | No | No | No | No | No | No | No |
IP to ATM Class of Service (CoS) | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
| Security | |||||||||||
Triple DES Encryption | No | No | No | No | No | No | Yes | No | Yes | No | No |
Cisco Secure Integrated Software | No | Yes | Yes | No | No | No | No | No | Yes | No | Yes |
Cisco IOS Firewall Feature Set Platform Support | No | Yes | Yes | No | No | No | No | No | Yes | No | Yes |
Firewall Feature Set Enhancements | No | Yes | Yes | No | No | No | No | No | Yes | No | Yes |
| Switching | |||||||||||
IOS STP Enhancements | No | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Voice | |||||||||||
1- and 2-port T1/E1 Multiflex VWICs | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Busyout Monitor | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
BRI Voice over IP: VIC-2BRI-S/T-TE | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
Digital T1 Packet Voice Trunk Network Modules | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
Interactive Voice Response for Cisco Access | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
Voice over Frame Relay Enhancements (Queueing) | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
Voice over Frame Relay Enhancements (FRF.11 and FRF.12) | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
| WAN Optimization | |||||||||||
Class-Based Weight Fair Queuing | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Low Latency Queuing | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| WAN Services | |||||||||||
802.1Q Support and ISL VLAN1 | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
Annex G (X.25) over Frame Relay | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Debit Card for Packet Telephony | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
DNS-Based X.25 Routing | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Frame Relay End-to-End Keepalive | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
IOS IEEE 802.1Q Support | No | No | Yes | Yes | No | Yes | Yes | Yes | Yes | Yes | Yes |
ISDN Dynamic Multiple Encaps for Dial-in | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
ISDN Dynamic Multiple Encaps for Dial-in with Frame Relay Support | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Mobile IP | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
Multicast Source Discovery Protocol (MSDP) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Multiport T1/E1 ATM Network Module with Inverse Multiplexing over ATM | No | No | Yes | No | No | Yes | Yes | Yes | Yes | Yes | Yes |
Packet Telephony Settlement | No | No | No | No | No | No | No | No | No | No | No |
PPP over Frame Relay | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Time-based Access Lists | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
VPDN Group Reorganization | No | No | No | No | Yes | No | No | No | No | Yes | Yes |
VPDN Per-user Configuration | No | No | No | No | Yes | No | No | No | No | Yes | Yes |
VPN Tunnel Management | No | No | No | No | Yes | No | No | No | No | Yes | Yes |
X.25 Closed User Groups | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
X.25 Load Balancing | No | No | No | No | No | No | No | No | No | No | No |
X.25 Switch Local Acknowledgment | No | No | No | No | No | No | No | No | No | No | No |
X.25 over ISDN D-Channel | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
X.25 Remote Failure Detection | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| 1Cisco 2620 and 2621 only |
| Features | Feature Sets | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Enter- prise Plus | Enter- prise Plus IPSec 3DES | Enter- prise Plus IPSec 56 | Enter- prise/ SNASw Plus | Enter- prise/ SNASw Plus IPSec 3DES | Enter- prise/ SNASw Plus IPSec 56 | Enter- prise/ FW/IDS Plus IPSec 3DES | Enter- prise/ FW/IDS Plus IPSec 56 | Remote Access Server | |
| Connectivity | |||||||||
1FE2P Network Module | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Fast Ethernet (10/100 Mbps) Network Ports1 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Layer 2 Tunneling Protocol (L2TP) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
Layer 2 Tunneling Protocal Dial-out (L2TP) | No | Yes | Yes | Yes | No | Yes | Yes | Yes | No |
RIP Enhancements | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| IBM Support | |||||||||
DLSw+ Ethernet Redundancy | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
DLSw+ Load Balancing Enhancements | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
DLSw+ Peer Group Cluster | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
DLSw+ RSVP Bandwidth Reservation | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
SNA Switching Services | No | No | No | Yes | Yes | Yes | No | No | No |
| IP/IPX Routing | |||||||||
Airline Product Set Enhancements | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Async over UDP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Data Compression Advanced Interface Module (AIM) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Easy IP Phase 2-DHCP Server | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Flow-based WRED | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
IP RTP Priority | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
IS-IS Multiarea Support | No | No | No | No | No | No | No | No | No |
NetFlow Policy Routing | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
OSPF Packet Pacing | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
PGM Router Assist | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Response Time Reporter Enhancements | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Service Assistance Agent (formerly RTR) Enhancements | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Web Cache Communications Protocol V2 (WCCPv2) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Management | |||||||||
CNS Client for Cisco IOS (IPSec Policy Agent II) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
ISDN MIB RFC 2127 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Multicast Routing Monitor | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Process MIB | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
SNMP Version 3 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Subnetwork Bandwidth Manager | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| Multimedia and Quality of Service | |||||||||
CLI String Search | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Gateway Support for Alternate Gatekeeper | No | No | No | No | No | No | No | No | No |
Express RTP and TCP Header Compression | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
H.235 Accounting and Security Enhancements for Cisco Gateways | No | No | No | No | No | No | No | No | No |
H.323 Version 2 Support | No | No | No | No | No | No | No | No | No |
Multimedia Conference Manager | No | No | No | No | No | No | No | No | No |
H.323 Multizone Enhancements | No | No | No | No | No | No | No | No | No |
IP to ATM Class of Service (CoS) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
| Security | |||||||||
Triple DES Encryption | No | Yes | No | No | Yes | No | Yes | No | No |
Cisco Secure Integrated Software | No | No | No | Yes | Yes | No | No | No | No |
Cisco IOS Firewall Feature Set Platform Support | No | No | No | No | No | No | Yes | Yes | No |
Firewall Feature Set Enhancements | No | No | No | No | No | No | Yes | Yes | No |
| Switching | |||||||||
IOS STP Enhancements | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
| Voice | |||||||||
1 and 2-port T1/E1 Multiflex VWICs | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Busyout Monitor | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
BRI Voice over IP: | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
Digital T1 Packet Voice Trunk Network Modules | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
Interactive Voice Response for Cisco Access | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
Voice over Frame Relay Enhancements (Queueing) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
Voice over Frame Relay Enhancements (FRF.11 and FRF.12) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
| WAN Optimization | |||||||||
Class-Based Weighted Fair Queueing | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Low Latency Queueing | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| WAN Services | |||||||||
802.1Q Support and ISL VLAN1 | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
Annex G (X.25) over Frame Relay | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Debit Card for Packet Telephony | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
DNS-Based X.25 Routing | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Frame Relay End-to-End Keepalive | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
IOS IEEE 802.1Q Support | No | Yes | Yes | Yes | No | Yes | Yes | Yes | No |
ISDN Dynamic Multiple Encaps for Dial-in | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
ISDN Dynamic Multiple Encaps for Dial-in with Frame Relay Support | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Mobile IP | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
Multicast Source Discovery Protocol (MSDP) | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
Multiport T1/E1 ATM Network Module with Inverse Multiplexing over ATM | No | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
Packet Telephony Settlement | No | No | Yes | No | No | No | No | No | No |
PPP over Frame Relay | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
Time-Based Access List | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
VPDN Group Reorganization | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
VPDN Per-user Configuration | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
VPN Tunnel Management | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
X.25 Closed User Groups | No | No | No | No | No | No | No | No | No |
X.25 Load Balancing | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | No |
X.25 Switch Local Acknowledgment | No | No | No | No | No | No | No | No | No |
X.25 on ISDN D-Channel | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
X.25 Remote Failure Detection | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
| 1Cisco 2620 and 2621 only |
The following is a list of the new hardware and software feature categories supported by the Cisco 2600 for Release 12.1. These categories are broken down by feature in Tables 4 and 5.
Beginning with Cisco IOS Release 12.0(7)XK, Cisco changed the product numbers used to order a specific Cisco IOS software image. In short, Cisco will remove the periods separating the release train, maintenance release, and build number. The following table provides some examples.
Old Product Number | New Product Number | Release | Image Description |
|---|---|---|---|
S364AR1K2-12.1.4= | S364AR1K2-1214= | Cisco IOS Release 12.1(4) | Cisco 3640 Series IOS Enterprise/SNA SW PLUS IPSEC 3DES |
S26CP-12.1.4= | S26CP-1214= | Cisco IOS Release 12.1(4) | Cisco 2600 Series IOS IP Plus |
Older Cisco Management Information Bases (MIBs) will be replaced in a future release. OLD-CISCO-* MIBS are currently migrated into more scalable MIBs—without affecting existing Cisco IOS products or NMS applications. You can update from deprecated MIBs to the replacement MIBs as shown in Table 6.
| Deprecated MIB | Replacement |
|---|---|
OLD-CISCO-APPLETALK-MIB | RFC1243-MIB |
OLD-CISCO-CHASSIS-MIB | ENTITY-MIB |
OLD-CISCO-CPUK-MIB | In Development |
OLD-CISCO-DECNET-MIB | In Development |
OLD-CISCO-ENV-MIB | CISCO-ENVMON-MIB |
OLD-CISCO-FLASH-MIB | CISCO-FLASH-MIB |
OLD-CISCO-INTERFACES-MIB | IF-MIB CISCO-QUEUE-MIB |
OLD-CISCO-IP-MIB | In Development |
OLD-CISCO-MEMORY-MIB | CISCO-MEMORY-POOL-MIB |
OLD-CISCO-NOVELL-MIB | NOVELL-IPX-MIB |
OLD-CISCO-SYS-MIB | (Compilation of other OLD* MIBS) |
OLD-CISCO-SYSTEM-MIB | CISCO-CONFIG-COPY-MIB |
OLD-CISCO-TCP-MIB | CISCO-TCP-MIB |
OLD-CISCO-TS-MIB | In Development |
OLD-CISCO-VINES-MIB | CISCO-VINES-MIB |
OLD-CISCO-XNS-MIB | In Development |
Caveats describe unexpected behavior or defects in Cisco IOS software releases. Severity 1 caveats are the most serious caveats; severity 2 caveats are less serious.
For information on caveats in Cisco IOS Release 12.1(4), see Caveats for Cisco IOS Release 12.1 that accompanies these release notes. This document lists severity 1 and 2 caveats for Cisco IOS Release 12.1.
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Note If you have an account with CCO, you can use Bug Navigator II to find caveats of any severity for any release. Click on this path: Software Center: Cisco IOS Software: Cisco IOS Bug Toolkit: Cisco Bug Navigator II. You can also find Bug Navigator II at http://www.cisco.com/support/bugtools |
The following sections describe the documentation available for the Cisco 2600 series. These documents consist of hardware and software installation guides, Cisco IOS configuration and command references, system error messages, feature modules, and other documents.
Documentation is available as printed manuals or electronic documents, except for feature modules, which are available online on CCO and the Documentation CD-ROM.
Use these release notes with these documents:
The following documents are specific to or support Cisco IOS Release 12.1(4) and are located on CCO and the Documentation CD-ROM:
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Note If you have an account with CCO, you can use Bug Navigator II to find caveats of any severity for any release. Click on this path: Software Center: Cisco IOS Software: Cisco IOS Bug Toolkit: Cisco Bug Navigator II. You can also find Bug Navigator II at http://www.cisco.com/support/bugtools |
These documents are available for the Cisco 2600 on CCO and the Documentation CD-ROM:
On CCO, beginning under the Service & Support heading:
Technical Documents: Documentation Home Page: Access Servers and Access Routers: Modular Access Routers: Cisco 2600 Series Routers
On the Documentation CD-ROM at:
Cisco Product Documentation: Access Servers and Access Routers: Modular Access Routers: Cisco 2600 Series Routers
The Cisco IOS software documentation set consists of the Cisco IOS configuration guides, Cisco IOS command references, and several other supporting documents which are shipped with your order in electronic form on the Documentation CD-ROM—unless you specifically ordered the printed versions.
Each module in the Cisco IOS documentation set consists of two books: a configuration guide and a corresponding command reference. Chapters in a configuration guide describe protocols, configuration tasks, Cisco IOS software functionality, and contain comprehensive configuration examples. Chapters in a command reference provide complete command syntax information. Use each configuration guide with its corresponding command reference.
On CCO and the Documentation CD-ROM, two master hot-linked documents provide information for the Cisco IOS software documentation set.
On CCO, beginning under the Service & Support heading:
Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.1: Configuration Guides and Command References: Cisco IOS Interface Configuration Guide or Cisco IOS Interface Command Reference
On the Documentation CD-ROM at:
Cisco IOS Software Configuration: Cisco IOS Release 12.1: Configuration Guides and Command References: Cisco IOS Interface Configuration Guide or Cisco IOS Interface Command Reference
Table 7 describes the contents of the Cisco IOS Release 12.1 software documentation set, which is available in electronic form and in printed form upon request.
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Note You can find the most current Cisco IOS documentation on CCO and the Documentation CD-ROM. These electronic documents may contain updates and modifications made after the hard-copy documents were printed. |
You can reach the Cisco IOS documentation set on CCO, beginning under the Service & Support heading:
Technical Documents: Documentation Home Page: Cisco IOS Software Configuration: Cisco IOS Release 12.1: Configuration Guides and Command References
You can reach the Cisco IOS documentation set on the Documentation CD-ROM at:
Cisco Product Documentation: Cisco IOS Software Configuration: Cisco IOS Release 12.1: Configuration Guides and Command References
| Books | Chapter Topics |
|---|---|
| Configuration Fundamentals Overview |
| Transparent Bridging |
| X.25 over ISDN |
| Interface Configuration Overview |
| IP Overview |
| AppleTalk |
| Network Protocols Overview |
| AAA Security Services |
| Switching Services |
| Wide-Area Network Overview |
| Voice over IP |
| Policy-Based Routing |
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Note Cisco Management Information Base (MIB) User Quick Reference is no longer published. For the latest list of MIBs supported by Cisco, see Cisco Network Management Toolkit on Cisco Connection Online. From CCO, click on the following path: Service & Support: Software Center: Network Mgmt Products: Cisco Network management Toolkit: Cisco MIB. |
If you have a CCO login account, you can access the following URL, which contains links and tips on configuring your Cisco products:
http://www.cisco.com/kobayashi/technotes/serv_tips.shtml
This URL is subject to change without notice. If it changes, point your Web browser to CCO and click on this path: Products & Technologies: Products: Technical Tips.
The following sections are provided from the Technical Tips page:
You can access the most current Cisco documentation on the World Wide Web at http://www.cisco.com, http://www-china.cisco.com, or http://www-europe.cisco.com.
Cisco documentation and additional literature are available in a CD-ROM package, which ships with your product. The Documentation CD-ROM is updated monthly. Therefore, it is probably more current than printed documentation. The CD-ROM package is available as a single unit or as an annual subscription.
Registered CCO users can order the Documentation CD-ROM and other Cisco Product documentation through our online Subscription Services at http://www.cisco.com/cgi-bin/subcat/kaojump.cgi.
Nonregistered CCO users can order documentation through a local account representative by calling Cisco's corporate headquarters (California, USA) at 408 526-4000 or, in North America, call 800 553-NETS (6387).
Cisco provides Cisco Connection Online (CCO) as a starting point for all technical assistance. Warranty or maintenance contract customers can use the Technical Assistance Center. All customers can submit technical feedback on Cisco documentation using the web, e-mail, a self-addressed stamped response card included in many printed docs, or by sending mail to Cisco.
Cisco continues to revolutionize how business is done on the Internet. Cisco Connection Online is the foundation of a suite of interactive, networked services that provides immediate, open access to Cisco information and resources at anytime, from anywhere in the world. This highly integrated Internet application is a powerful, easy-to-use tool for doing business with Cisco.
CCO's broad range of features and services helps customers and partners to streamline business processes and improve productivity. Through CCO, you will find information about Cisco and our networking solutions, services, and programs. In addition, you can resolve technical issues with online support services, download and test software packages, and order Cisco learning materials and merchandise. Valuable online skill assessment, training, and certification programs are also available.
Customers and partners can self-register on CCO to obtain additional personalized information and services. Registered users may order products, check on the status of an order and view benefits specific to their relationships with Cisco.
You can access CCO in the following ways:
You can e-mail questions about using CCO to cco-team@cisco.com.
The Cisco Technical Assistance Center (TAC) is available to warranty or maintenance contract customers who need technical assistance with a Cisco product that is under warranty or covered by a maintenance contract.
To display the TAC web site that includes links to technical support information and software upgrades and for requesting TAC support, use www.cisco.com/techsupport.
To contact by e-mail, use one of the following:
Language | E-mail Address |
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In North America, TAC can be reached at 800 553-2447 or 408 526-7209. For other telephone numbers and TAC e-mail addresses worldwide, consult the following web site: http://www.cisco.com/warp/public/687/Directory/DirTAC.shtml.
If you are reading Cisco product documentation on the World Wide Web, you can submit technical comments electronically. Click Feedback in the toolbar and select Documentation. After you complete the form, click Submit to send it to Cisco.
You can e-mail your comments to bug-doc@cisco.com.
To submit your comments by mail, for your convenience many documents contain a response card behind the front cover. Otherwise, you can mail your comments to the following address:
Cisco Systems, Inc.
Document Resource Connection
170 West Tasman Drive
San Jose, CA 95134-9883
We appreciate and value your comments.
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Note |
Posted: Thu Sep 14 20:04:35 PDT 2000
Copyright 1989-2000©Cisco Systems Inc.
