交换机做Channel-Group

core1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
core1(config)#inter range gi0/1-4
core1(config-if-range)#do show etherch sum
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      f - failed to allocate aggregator

M - not in use, minimum links not met
        u - unsuitable for bundling
        w - waiting to be aggregated
        d - default port

Number of channel-groups in use: 1
Number of aggregators:           1

Group  Port-channel  Protocol    Ports
------+-------------+-----------+-----------------------------------------------
2      Po2(SU)          -        Gi0/49(P)   Gi0/50(P)

core1(config-if-range)#channel-group ?
  <1-6>  Channel group number

core1(config-if-range)#channel-group 1 mode on
Creating a port-channel interface Port-channel 1

core1(config-if-range)#do show etherch sum
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      f - failed to allocate aggregator

M - not in use, minimum links not met
        u - unsuitable for bundling
        w - waiting to be aggregated
        d - default port

Number of channel-groups in use: 2
Number of aggregators:           2

Group  Port-channel  Protocol    Ports
------+-------------+-----------+-----------------------------------------------
1      Po1(SU)          -        Gi0/1(D)    Gi0/2(P)    Gi0/3(D)
                                 Gi0/4(D)
2      Po2(SU)          -        Gi0/49(P)   Gi0/50(P)

core1(config-if-range)#switch mode trunk
core1(config-if-range)#int po1
core1(config-if)#switchport trunk ?
  allowed  Set allowed VLAN characteristics when interface is in trunking mode
  native   Set trunking native characteristics when interface is in trunking mode
  pruning  Set pruning VLAN characteristics when interface is in trunking mode

core1(config-if)#switchport trunk allowed vlan 302
core1(config-if)#end
core1#sh run int po 1
Building configuration...

Current configuration : 89 bytes
!
interface Port-channel1
switchport trunk allowed vlan 302
switchport mode trunk
end

core1#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
core1(config)#int po2
core1(config-if)#switch trunk ?
  allowed  Set allowed VLAN characteristics when interface is in trunking mode
  native   Set trunking native characteristics when interface is in trunking mode
  pruning  Set pruning VLAN characteristics when interface is in trunking mode

core1(config-if)#switch trunk all
core1(config-if)#switch trunk allowed vlan 201
core1(config-if)#
core1(config-if)#end
core1#wr
Building configuration...
[OK]
core1#

---

core2>en
Password:
core2#show etherch sum
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      f - failed to allocate aggregator

M - not in use, minimum links not met
        u - unsuitable for bundling
        w - waiting to be aggregated
        d - default port

Number of channel-groups in use: 1
Number of aggregators:           1

Group  Port-channel  Protocol    Ports
------+-------------+-----------+-----------------------------------------------
1      Po1(SU)          -        Gi0/49(P)   Gi0/50(P)

core2#conf t
Enter configuration commands, one per line.  End with CNTL/Z.
core2(config)#inter range gi0/49-50
core2(config-if-range)#channel-g
core2(config-if-range)#channel-group 2 mode on
Creating a port-channel interface Port-channel 2
core2(config-if-range)#do show inter trunk

Port        Mode             Encapsulation  Status        Native vlan
Po2         on               802.1q         trunking      201

Port        Vlans allowed on trunk
Po2         1-4094

Port        Vlans allowed and active in management domain
Po2         1-26,30,200-202,300-302

Port        Vlans in spanning tree forwarding state and not pruned
Po2         1-26,30,200-202,300-302

core2(config-if-range)#do show etherch sum
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      f - failed to allocate aggregator

M - not in use, minimum links not met
        u - unsuitable for bundling
        w - waiting to be aggregated
        d - default port

Number of channel-groups in use: 2
Number of aggregators:           2

Group  Port-channel  Protocol    Ports
------+-------------+-----------+-----------------------------------------------
1      Po1(SD)          -
2      Po2(SU)          -        Gi0/49(P)   Gi0/50(P)

core2(config-if-range)#exit
core2(config)#int rang gi0/1-4
core2(config-if-range)#channel-group 1 mode on
core2(config-if-range)#switch mode trunk
core2(config-if-range)#switch trunk allowed vlan 302
core2(config-if)#switch trunk ?
  allowed  Set allowed VLAN characteristics when interface is in trunking mode
  native   Set trunking native characteristics when interface is in trunking mode
  pruning  Set pruning VLAN characteristics when interface is in trunking mode

core2(config-if)#switch trunk allowed vlan 201
core2(config-if)#end
core2#wr
Building configuration...
[OK]
core2#