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This chapter explains the function and syntax of the Cisco Mainframe Channel Connection commands. For more information about defaults and usage guidelines, see the corresponding chapter of the Cisco IOS Bridging and IBM Networking Command Reference, Volume 2, Release 12.1.
To configure internal adapters, use the adapter internal LAN interface configuration command. Use the no form of this command to remove an internal adapter.
adapter adapter-number [mac-address]
Syntax Description
adapter-number Number in the range 0 to 31 that uniquely identifies the internal adapter (relative adapter number) for all internal LANs of the same type on the CMCC adapter. When configuring CSNA, this value corresponds to the ADAPNO parameter defined in the Virtual Telecommunications Access Method (VTAM) Extended Communications Adapter (XCA) Major Node. mac-address (Optional) Media access control (MAC) address for this internal adapter. This is a hexadecimal value in the form xxxx.xxxx.xxxx.
To define a data rate of either 3 MBps or 4.5 MBps for Parallel Channel Interfaces, use the channel-protocol interface configuration command. Use the no form of the command to return to the default rate of 3 MBps.
channel-protocol [s | s4]
Syntax Description
s (Optional) Specifies a data rate of 3 MBps. s4 (Optional) Specifies a data rate of 4.5 MBps.
To clear the extended interface counters associated with CMCC features, use the clear extended counters EXEC command.
clear extended counters [channel slot/port [csna | icmp-stack | ip-stack | llc2 | statistics | tcp-connections | tcp-stack | tg | tn3270-server | udp-stack]]
Syntax Description
channel (Optional) Specifies a channel interface. slot (Optional) Slot number. port (Optional) Port number. csna (Optional) Clears CSNA feature counters. icmp-stack (Optional) Clears ICMP stack counters. ip-stack (Optional) Clears IP stack counters. llc2 (Optional) Clears LLC2 counters. statistics (Optional) Clears subchannel statistic counters. tcp-connections (Optional) Clears TCP connection counters. tcp-stack (Optional) Clears TCP stack counters. tg (Optional) Clears TG counters. tn3270-server (Optional) Clears TN3270 Server counters. udp-stack (Optional) Clears UDP stack counters.
To provide a core dump of a CMCC adapter, use the exception slot global configuration command. Use the no form of the command to disable the core dump.
exception slot [slot] protocol://host/filename
Syntax Description
slot (Optional) Slot number of the CMCC adapter. If no slot is specified, all installed CMCC adapters will output a core dump when they halt unexpectedly. protocol Protocol for transferring the file. Currently, the only allowed value is FTP. host Name or IP address of the host that receives the core dump information. filename Filename on the host that receives the core dump information. The maximum name length is 31 characters. When written to the host, slot is automatically appended, where slot is the slot number.
To specify a channel-attached interface and enter interface configuration mode, use the interface channel global configuration command.
interface channel slot/port
Syntax Description
slot Slot number where the CMCC adapter is located. port Interface where the CMCC adapter is located.
To configure an internal LAN on a CMCC adapter interface and enter the internal LAN configuration mode, use the lan interface configuration command. Use the no form of the command to remove an internal LAN interface.
lan type lan-id
Syntax Description
type Interface type for this internal LAN: tokenring. lan-id Number 0 to 31 that uniquely identifies the internal LAN on this CMCC adapter. This value must be unique between all internal LANs of the same interface type on a CMCC adapter.
To specify the maximum number of LLC2 sessions supported on the CMCC adapter, use the max-llc2-sessions interface configuration command. Use the no form of this command to remove the current value and change back to the default value.
max-llc2-sessions number
Syntax Description
number A value in the range 1 to 6000 LLC sessions. If this command is not configured, the default is 256 sessions.
To give a name to the internal adapter, use the name internal adapter configuration command. Use the no form of the command to remove the name assigned to an internal adapter.
name name
Syntax Description
name Name that identifies this internal adapter. The name consists of up to 8 characters (not including blanks).
To display CPA-specific information, including the currently loaded microcode, use the show controllers channel EXEC command.
show controllers channel [slot/port]
Syntax Description
slot (Optional) Slot number. port (Optional) Interface number.
To display the number of active LLC2 connections for each SAP and the mapping of the internal MAC adapter and the SAP to the resource that activated the SAP, use the show extended channel connection-map llc2 privileged EXEC command.
show extended channel slot/port connection-map llc2
Syntax Description
slot Slot number. port Port number. connection-map llc2 Displays a connection map of LLC2 connections.
To display information about the Internet Control Message Protocol (ICMP) stack running on the CMCC channel interfaces, use the show extended channel icmp-stack EXEC command.
show extended channel slot/port icmp-stack [ip-address]
Syntax Description
slot Slot number. port Port number. ip-address (Optional) IP address specified by the offload interface configuration command or the tn3270-server pu command.
To display information about the IP stack running on CMCC channel interfaces, use the show extended channel ip-stack EXEC command.
show extended channel slot/port ip-stack [ip-address]
Syntax Description
slot Slot number. port Port number. ip-address (Optional) IP address specified by the offload interface configuration command or the tn327-server pu command.
To display the internal LANs and adapters configured on a CMCC adapter, use the show extended channel lan EXEC command.
show extended channel slot/port lan [tokenring [lan-id [adapno]]]
Syntax Description
slot Slot number. port Port number. tokenring (Optional) Specify CMCC internal LAN type to be displayed. lan-id (Optional) Specify the CMCC internal LAN number to be displayed. adapno (Optional) Specify the CMCC internal adapter number on the selected internal LAN to be displayed.
To display information about the LLC2 sessions running on the CMCC adapter interfaces, use the show extended channel llc2 EXEC command.
show extended channel slot/port llc2 [admin | oper | stats] [lmac [lsap [rmac [rsap]]]]
Syntax Description
slot Slot number. port Port number. admin (Optional) Shows configured values. This is the default. oper (Optional) Shows operational values for: stats (Optional) Shows statistics for: lmac (Optional) Local MAC address. lsap (Optional) Local service access point (SAP) address, 0 to 256. rmac (Optional) Remote MAC address. rsap (Optional) Remote SAP address, 0 to 256.
Syntax Description
slot Slot number. port Port number.
To display statistical information about subchannels on the physical interface of a CMCC adapter, use the show extended channel statistics EXEC command. This command displays information that is specific to the interface channel devices. The information is generally useful only for diagnostic tasks performed by technical support personnel.
show extended channel slot/port statistics [path [device-address]] [connected]
Syntax Description
slot Slot number. port Port number. path (Optional) Hexadecimal value in the range 0x0000 to 0xFFFF. This value specifies the data path and consists of two digits for the physical connection (either on the host or on the ESCON Director switch): one digit for the control unit address, and one digit for the channel logical address. device-address (Optional) Hexadecimal value in the range 0x00 to 0xFE. This value is the unit address associated with the control unit number and path as specified in the host IOCP file. For CLAW and offload support, the device address must have an even value. connected (Optional) For each backup group, only display information about the active subchannel or the first subchannel defined in the group if none are active.
To display information about the CMCC adapter physical interfaces, use the show extended channel subchannel EXEC command. This command displays information that is specific to the interface channel connection. The information displayed is generally useful only for diagnostic tasks performed by technical support personnel.
show extended channel slot/port subchannel [connected]
Syntax Description
slot Slot number. port Port number. connected (Optional) For each backup group, displays information about the active subchannel or the first subchannel defined in the group if none are active.
To display information about the Transmission Control Protocol (TCP) sockets on a channel interface, use the show extended channel tcp-connections EXEC command.
show extended channel slot/port tcp-connections [[loc-ip-addr [loc-port [rem-ip-addr [rem-port]] [detail | summary]
Syntax Description
slot Slot number. port Port number. tcp-connections Specifies TCP connections display. loc-ip-addr (Optional) Local IP address. IP address of the local connection endpoint. Restricts the output to those connections with a matching local IP address. loc-port (Optional) Local TCP port. This is the TCP port of the local connection endpoint. Restricts the output to those connections with a matching local TCP port. An asterisk (*) is a wildcard that matches every port. rem-ip-addr (Optional) Remote IP address. IP address of the remote connection endpoint. Restricts the output to those connections with a matching remote IP address. rem-port (Optional) Remote TCP port. TCP port of the remote connection endpoint. Restricts the output to those connections with a matching remote TCP port. detail (Optional) Prints detailed information about every matching connection. summary (Optional) This is the default. Prints a summary of all matching connections.
To display information about the TCP stack running on CMCC adapter interfaces, use the show extended channel tcp-stack EXEC command.
show extended channel slot/port tcp-stack [ip-address]
Syntax Description
slot Slot number. port Port number. tcp-stack Specifies tcp stack display. ip-address (Optional) IP address specified by the offload interface configuration command or the tn327-server pu command.
To display information about the User Datagram Protocol (UDP) listener sockets running on the CMCC adapter interfaces, use the show extended channel udp-listeners EXEC command.
show extended channel slot/port udp-listeners [ip-address]
Syntax Description
slot Slot number. port Port number. udp-listeners Specifies UDP listener port display. ip-address (Optional) IP address specified by the offload interface configuration command or the tn3270-server pu command.
To display information about the UDP stack running on the CMCC adapter interfaces, use the show extended channel udp-stack EXEC command.
show extended channel slot/port udp-stack [ip-address]
Syntax Description
slot Slot number. port Port number. udp-stack Selects UDP stack display. ip-address (Optional) IP address specified by the offload interface configuration command or the tn3270-server pu command.
To display information about the CMCC adapter interfaces, use the show interfaces channel privileged EXEC command. This command displays information that is specific to the interface hardware. The information displayed is generally useful for diagnostic tasks performed by technical support personnel only.
show interfaces channel slot/port [accounting]
Syntax Description
slot Slot number. port Port number. accounting (Optional) Shows interface accounting information.
To shut down an interface or the virtual interface on the CMCC adapter when you are in interface configuration mode, use the shutdown CMCC command in interface configuration mode. The shutdown TN3270 server command also shuts down TN3270 entities, such as PU, DLUR, and DLUR SAP, depending on which configuration mode you are in when the command is issued. Use the no form of this command to restart the interface or entity. The entity affected depends on the mode in which the command is issued.
shutdownSyntax Description
This command has no arguments or keywords.
To allow the channel interface state to track the state of the physical interface signal on a Channel Port Adapter, use the state-tracks-signal interface configuration command. Use the no form of this command to disable tracking of the physical interface signal on a Channel Port Adapter interface.
state-tracks-signalSyntax Description
This command has no arguments or keywords.
Posted: Wed Jul 26 12:25:47 PDT 2000
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