multi-spx-port
By default, no SPX LAG exists. The command is used to transform an SPX LAG that has been previously configured.
CB configuration mode
SPX unit configuration mode
The
no form of the command removes SPX ports from a live link.
The
no multi-spx-port and
no multi-spx-lag commands provide the only way to change a PE ring to two chains or one chain without
physically removing the cable. The removed spx-ports and spx-lags are brought down,
changed to data ports, and disabled in configuration.
The system blocks the
multi-spx-port command if the command would make any PE unreachable.
The command can be used to change an SPX LAG to an SPX port when the SPX LAG is active. The command can be applied to a link between a CB and a PE unit or between two PE units.
The following example show a live SPX lag being created and then converted into a live SPX port between CB unit 3 and PE unit 24.
device# configure terminal device(config)# spx cb-enable System is now in 802.1br control bridge (CB) mode. device(config)# spx cb-config device(config-spx-cb)# multi-spx-lag 3/1/6 3/1/8 device(config-spx-cb)# multi-spx-lag 24/3/1 24/4/1 . . . device(config-spx-cb)# end device#
Once the SPX LAG created in the previous code block is live, it can be modified. Here, it is replaced on a live system by two SPX ports.
device# configure terminal device(config)# spx cb-config device(config-spx-cb)# multi-spx-port 3/1/8 and 24/4/1 spx-lag 3/1/6 3/1/8 is replaced by spx-port 3/1/8. spx-lag 24/3/1 24/4/1 is replaced by spx-port 24/4/1.
The following example creates a live link between PE unit 17 and PE unit 24.
device# configure terminal device(config)# spx cb-config device(config-spx-cb)# multi-spx-port 24/2/1 and 17/2/1 spx-lag 17/2/1 to 17/2/2 is replaced by spx-port 17/2/1. spx-lag 24/2/1 to 24/2/2 is replaced by spx-port 24/2/1.
The following example removes a live link using the
no multi-spx-port command. The example removes the SPX ports between PE units 24 and 25.
device(config)# spx cb-configure device(config-spx-cb)# no multi-spx-port 24/2/1 and 25/2/3 Bring down 24/2/1 and 25/2/3 Wait for 20 sec before removing spx-ports. These ports will be disabled in configuration. device(config-spx-cb)# end ! ! ! device# spx-port 24/2/1 is removed spx-port 25/2/3 is removed