29 January, 2014

L3 Etherchannel


SW4(config)#interface range fas 0/31-32
SW4(config-if-range)#shutdown
SW4(config-if-range)#channel-group 15 mode on
Creating a port-channel interface Port-channel 15
SW4(config-if-range)#no channel-group 15 mode on
SW4(config-if)#in po15
SW4(config-if)#no switchport
SW4(config-if)#ip add 11.11.11.4 255.255.255.0
SW4(config-if)#interface range fas 0/31-32
SW4(config-if-range)#no switchport
SW4(config-if-range)#channel-group 15 mode on
SW4(config-if-range)#no shutdown
SW4(config-if-range)#^Z

SW4#show etherchannel 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      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
------+-------------+-----------+-----------------------------------------------
15     Po15(RU)         -        Fa0/31(P)   Fa0/32(P)


SW2(config)#interface range fa 0/31-32
SW2(config-if-range)#shutdown
SW2(config-if-range)#channel-group 15 mode on
Creating a port-channel interface Port-channel 15
SW2(config-if-range)#no channel-group 15 mode on
SW2(config)#in po15
SW2(config-if)#no switchport
SW2(config-if)#ip address 11.11.11.2 255.255.255.0
SW2(config-if)#interface range fa 0/31-32
SW2(config-if-range)#no switchport
SW2(config-if-range)#channel-group 15 mode on
SW2(config-if-range)#no shutdown
SW2(config-if-range)#end

SW2#show etherchannel 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      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
------+-------------+-----------+-----------------------------------------------
15     Po15(RU)         -        Fa0/31(P)   Fa0/32(P)
SW4#show etherchannel 15 detail
Group state = L3
Ports: 2   Maxports = 8
Port-channels: 1 Max Port-channels = 1
Protocol:    -
Minimum Links: 0
                Ports in the group:
                -------------------
Port: Fa0/31
------------
Port state    = Up Mstr In-Bndl
Channel group = 15          Mode = On              Gcchange = -
Port-channel  = Po15        GC   =   -             Pseudo port-channel = Po15
Port index    = 0           Load = 0x00            Protocol =    -
Age of the port in the current state: 0d:00h:18m:29s

Port: Fa0/32
------------
Port state    = Up Mstr In-Bndl
Channel group = 15          Mode = On              Gcchange = -
Port-channel  = Po15        GC   =   -             Pseudo port-channel = Po15
Port index    = 0           Load = 0x00            Protocol =    -
Age of the port in the current state: 0d:00h:18m:30s
                Port-channels in the group:
                ---------------------------
Port-channel: Po15
------------
Age of the Port-channel   = 0d:00h:23m:43s
Logical slot/port   = 1/2          Number of ports = 2
GC                  = 0x00000000      HotStandBy port = null
Passive port list   = Fa0/31 Fa0/32
Port state          = Port-channel L3-Ag Ag-Inuse
Protocol            =    -
Port security       = Disabled

Ports in the Port-channel:
Index   Load   Port     EC state        No of bits
------+------+------+------------------+-----------
  0     00     Fa0/31   On                 0
  0     00     Fa0/32   On                 0
Time since last port bundled:    0d:00h:18m:30s    Fa0/32

SW4#show ip interface brief | include Port
Port-channel15         11.11.11.4      YES manual up                    up

SW4#ping 11.11.11.2 repeat 10
Type escape sequence to abort.
Sending 10, 100-byte ICMP Echos to 11.11.11.2, timeout is 2 seconds:
!!!!!!!!!!
Success rate is 100 percent (10/10), round-trip min/avg/max = 1/3/4 ms