Section 1.1
SW110
sw110(config)#spanning-tree mode rapid
sw110(config)#spanning-tree pathcost method long
sw110(config)#spanning-tree portfast edge default
sw110(config)#interface range gi1/2-3
sw110(config-if-range)#channel-group 2 mode active
SW101
sw101(config)#spanning-tree mode rapid
sw101(config)#spanning-tree pathcost method long
sw101(config)#spanning-tree vlan 2000 priority 0
sw101(config)#spanning-tree vlan 1-4094 hello-time 1
sw101(config)#interface range gi1/2-3
sw101(config-if-range)#channel-group 1 mode on
SW102
sw102(config)#spanning-tree mode rapid
sw102(config)#spanning-tree pathcost method long
sw102(config)#spanning-tree vlan 2001 priority 0
sw102(config)#spanning-tree vlan 1-4094 hello-time 1
sw102(config)#interface range gi1/2-3
sw102(config-if-range)#channel-group 2 mode active
Verification:
sw110# sh etherchannel summary
sh spanning-tree vlan 2000
SWll0#sh etherchanne 1 summary
Flags: D - down P - bundled in port-channel
I - stand-alone s - suspended
H - Hot-standby (LACP only)
R - Layer3 S - Layer2
U - in use N - not in use, no aggregation
f - failed to allocate aggregator
M - not in use, minimum links not met
m - not in use, port not aggregated due to minimum links not met
u- unsuitable for bundling
w- waiting to be aggregated
d- default port
A - formed by Auto LAG
Number of channel -groups in use: 2
Number of aggregators: 2
Group Port-channel Protocol Ports
------ + -------------+ ----------- +---------------------
1 Pol (SU) LACP Gil/O(P) Gil/l(P)
2 Po2 (SU) LACP Gil/2(P) Gil/3(P)
SWl02#sh etherchanne 1 summary
Flags: D - down P - bundled in port-channel
I - stand-alone s - suspended
H - Hot-standby (LACP only)
R - Layer3 S - Layer2
U - in use N - not in use, no aggregation
f - failed to allocate aggregator
M - not in use, minimum links not met
m - not in use, port not aggregated due to minimum links not met
u- unsuitable for bundling
w- waiting to be aggregated
d- default port
A - formed by Auto LAG
Number of channel -groups in use: 2
Number of aggregators: 2
Group Port-channel Protocol Ports
------ + -------------+ ----------- +---------------------
1 Po2 (SU) LACP Gil/2(P) Gil/3(P)
2 Po3 (SU) LACP Gi2/0(P) Gi2/1(P)
SWl01#sh etherchanne 1 summary
Flags: D - down P - bundled in port-channel
I - stand-alone s - suspended
H - Hot-standby (LACP only)
R - Layer3 S - Layer2
U - in use N - not in use, no aggregation
f - failed to allocate aggregator
M - not in use, minimum links not met
m - not in use, port not aggregated due to minimum links not met
u- unsuitable for bundling
w- waiting to be aggregated
d- default port
A - formed by Auto LAG
Number of channel -groups in use: 2
Number of aggregators: 2
Group Port-channel Protocol Ports
------ + -------------+ ----------- +---------------------
1 Pol (SU) LACP Gil/2(P) Gil/3(P)
2 Po2 (SU) LACP Gil/2(P) Gil/3(P)