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Table of Contents

Remote Source-Route Bridging Commands

Remote Source-Route Bridging Commands

This chapter describes the function and displays the syntax of each remote source-route bridging command. For more information about defaults and usage guidelines, see the corresponding chapter of the Router Products Command Reference publication.

[no] locaddr-priority list-number

Use the locaddr-priority interface configuration command to assign a remote source-route bridging (RSRB) priority group to an input interface. Use the no form of this command to remove the RSRB priority group assignment from the interface.

list-number Priority list number of the input interface.

[no] locaddr-priority-list list-number address-number queue-keyword
[dsap ds] [dmac dm]

Use the locaddr-priority-list global configuration command to map logical units (LUs) to queuing priorities as one of the steps to establishing queuing priorities based on LU addresses. Use the no form of this command to remove that RSRB priority queuing assignment. You use this command in conjunction with the priority list command.

list-number Arbitrary integer between 1 and 10 that identifies the LU address priority list selected by the user.
address-
n
umber
Value of the LOCADDR= parameter on the LU macro, which is a one-byte address of the LU in hexadecimal.
queue-
k
eyword
Priority queue name; one of high, medium, normal, or low.
dsap ds (Optional) Indicates that the next argument, ds, represents the destination service access point address. The argument ds is a hexadecimal value.
dmac dm (Optional) Indicates that the next argument, dm, is the destination MAC address. The argument dm is a dotted triple of four-digit hexadecimal numbers.

[no] priority-group list

Use the priority-group interface configuration command to assign a specified priority list to an interface. Use the no form of this command to cancel the assignment.

list Priority list number assigned to the interface.

priority-list list-number protocol protocol-name queue-keyword
no priority-list list-number address-number queue-keyword

Use the priority-list global configuration command to establish queuing priorities based upon the protocol type as one of the steps to establishing queuing priorities based on logical unit (LU) addresses. Use the no form of this command to remove the priority list. Use this command in conjunction with the locaddr-priority-list command.

list-number Arbitrary integer between 1 and 10 that identifies the LU address priority list selected by the user.
protocol Keyword indicating you want the priority list to be based on a protocol type.
protocol-
n
ame
Protocol you are using. In most cases, this is ip.
queue-
k
eyword
Priority queue name; one of high, medium, normal, or low.

rsrb remote-peer ring-group tcp ip-address lsap-output-list
access-list-number
rsrb remote-peer ring-group fst ip-address lsap-output-list
access-list-number
rsrb remote-peer ring-group interface name lsap-output-list
access-list-number

Use the rsrb remote-peer lsap-output-list global configuration command to define service access point (SAP) filters by LSAP address on the remote source-route bridging WAN interface.

ring-group Virtual ring number of the remote peer.
tcp Indicates TCP encapsulation.
fst Indicates FST encapsulation.
ip-address IP address.
interface Indicates direct encapsulation.
name Interface name.
access-list-number Number of the access list.

rsrb remote-peer ring-group tcp ip-address netbios-output-list name
rsrb remote-peer ring-group fst ip-address netbios-output-list name
rsrb remote-peer ring-group interface interface-name
netbios-output-list host

Use the rsrb remote-peer netbios-output-list global configuration command to filter packets by NetBIOS station name on a remote source-route bridging WAN interface.

ring-group Virtual ring number of the remote peer.
tcp Indicates TCP encapsulation.
fst Indicates FST encapsulation.
ip-address IP address.
name Name of a NetBIOS access filter previously defined with one or more netbios access-list host global configuration commands.
interface Indicates direct encapsulation.
interface-
n
ame
Interface name.
host Host name.

sap priority number

Use the sap-priority interface configuration command to define a priority list on an interface.

number Priority list number you specified in the sap-priority-list command.

sap-priority-list number queue-keyword [dsap ds] [ssap ss] [dmac dm]
[
smac sm]

Use the sap-priority-list global configuration command to define a priority list.

number Arbitrary integer between 1 and 10 that identifies the priority list.
queue-keyword Priority queue name or a remote source-route bridge TCP port name.
dsap ds (Optional) Indicates that the next argument, ds, represents the destination service access point address. The argument ds is a hexadecimal number.
ssap ss (Optional) Indicates that the next argument, ss, represents the source service access point address. The argument ss is a hexadecimal number.
dmac dm (Optional) Indicates that the next argument, dm, represents the destination MAC address. The argument dm is written as a dotted triple of four-digit hexadecimal numbers.
smac sm (Optional) Indicates that the next argument, sm, represents the source MAC address. The argument sm is written as a dotted triple of four-digit hexadecimal numbers.

show local-ack

Use the show local-ack privileged EXEC command to display the current state of any current Local Acknowledgment for both LLC2 and SDLLC connections, as well as for any configured passthrough rings.

[no] source-bridge cos-enable

Use the source-bridge cos-enable global configuration command to force the router to read the contents of the format identification four (FID 4) frames to prioritize traffic when using TCP. Use the no form of this command to disable prioritizing.

[no] source-bridge fst-peername local-interface-address

Use the source-bridge fst-peername global configuration command to set up a Fast-Sequenced Transport (FST) peer name. Use the no form of this command to disable the IP address assignment.

local-interface-address IP address to assign to the local router.

[no] source-bridge keepalive seconds

Use the source-bridge keepalive interface configuration command to assign the keepalive interval of the remote source-bridging peer. Use the no form of this command to cancel previous assignments.

seconds Keepalive interval in seconds. The valid range is 10 through 300.

source-bridge largest-frame ring-group size
no source-bridge largest-frame ring-group

Use the source-bridge largest-frame global configuration command to configure the largest frame size that is used to communicate with any peers in the ring group. Use the no form of this command to cancel previous assignments.

ring-group Ring group number. This ring group number must match the number you specified with the source-bridge ring-group command. The valid range is 1 through 4095.
size Maximum frame size.

[no] source-bridge passthrough ring-group

Use the source-bridge passthrough global configuration command to configure some sessions on a few rings to be locally acknowledged and the remaining to pass through. Use the no form of this command to disable passthrough on all the rings and allow the session to be locally acknowledged.

ring-group Ring group number. This ring is either the start ring or destination ring of the two IBM end machines for which the passthrough feature is to be configured. This ring group number must match the number you have specified with the source-bridge ring-group command. The valid range is 1 through 4095.

source-bridge remote-peer ring-group fst ip-address [lf size]
no source-bridge remote-peer ring-group fst ip-address

Use the source-bridge remote-peer fst global configuration command to specify a Fast Sequenced Transport (FST) encapsulation connection. Use the no form of this command to disable the previous assignments.

ring-group Ring group number. This ring group number must match the number you specified with the source-bridge ring-group command. The valid range is 1 through 4095.
ip-address IP address of the remote peer with which the router will communicate.
lf size (Optional) Maximum-sized frame to be sent to this remote peer. The router negotiates all transit routes down to this size or lower. Use this argument to prevent timeouts in end hosts by reducing the amount of data they have to transmit in a fixed interval. The legal values for this argument are 516, 1500, 2052, 4472, 8144, 11407, and 17800 bytes.

source-bridge remote-peer ring-group ftcp ip-address
[lf size] [local-ack]
no source-bridge remote-peer ring-group ftcp ip-address

Use the source-bridge remote-peer ftcp global configuration command to enable fast-switching of Token Ring frames over TCP/IP. Use the no form of this command to remove a remote peer from the specified ring group.

ring-group Ring-group number. This ring-group number must match the number you have specified with the source-bridge ring-group command. The valid range is 1 through 4095.
ip-address IP address of the remote peer with which the router will communicate.
lf size (Optional) Maximum size frame to be sent to this remote peer. The router negotiates all transit routes down to this size or lower.
local-ack (Optional) LLC2 sessions destined for a specific remote peer are locally terminated and acknowledged. Use local acknowledgment for LLC2 sessions going to this remote peer.

source-bridge remote-peer ring-group interface name
[mac-address] [lf size]
no source-bridge remote-peer ring-group interface name

Use the source-bridge remote-peer interface global configuration command when specifying a point-to-point direct encapsulation connection. Use the no form of this command to disable previous interface assignments.

ring-group Ring group number. This ring group number must match the number you have specified with the source-bridge ring-group command. The valid range is 1 through 4095.
name Name of the router's interface over which to send source-route bridged traffic.
mac-
a
ddress
(Optional) MAC address for the interface you specify using the name argument. This argument is required for nonserial interfaces. You can obtain the value of this MAC address by using the show interface command, and then scanning the display for the interface specified by name.
lf size (Optional) Maximum-sized frame to be sent to this remote peer. The router negotiates all transit routes down to this size or lower. This argument is useful in preventing timeouts in end hosts by reducing the amount of data they have to transmit in a fixed interval. The legal values for this argument are 516, 1500, 2052, 4472, 8144, 11407, and 17800 bytes.

source-bridge remote-peer ring-group tcp ip-address [lf size]
[local-ack] [priority]
no source-bridge remote-peer ring-group tcp ip-address

Use the source-bridge remote-peer tcp global configuration command to identify the IP address of a peer in the ring group with which to exchange source-bridge traffic using TCP. Use the no form of this command to remove a remote peer for the specified ring group.

ring-group Ring group number. This ring group number must match the number you specified with the source-bridge ring-group command. The valid range is 1 through 4095.
ip-address IP address of the remote peer with which the router will communicate.
lf size (Optional) Maximum-sized frame to be sent to this remote peer. The router negotiates all transit routes down to this size or lower. Use this argument pair to prevent timeouts in end hosts by reducing the amount of data they have to transmit in a fixed interval. The valid values for this argument pair are 516, 1500, 2052, 4472, 8144, 11407, and 17800 bytes.
local-ack (Optional) LLC2 sessions destined for a specific remote peer are locally terminated and acknowledged. Use local acknowledgment for LLC2 sessions going to this remote peer.
priority (Optional) Enables prioritization over a TCP network. You must specify the keyword local-ack earlier in the same source-bridge remote-peer command. The keyword priority is a prerequisite for features such as System Network Architecture (SNA) class of service and SNA LU address prioritization over a TCP network.

[no] source-bridge tcp-queue-max number

Use the source-bridge tcp-queue-max global configuration command to modify the size of the backup queue for remote source-route bridging. This backup queue determines the number of packets that can wait for transmission to a remote ring before packets start being thrown away. Use the no form of this command to return to the default value.

number Number of packets to hold in any single outgoing TCP queue to a remote router. The default is 100 packets.

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