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Tuesday, March 6, 2012

sh int status mod...

what a great command...  for switches with line cards 6500, 4500, this command is invaluable... you can show the interface status for 1 module at a time or all of them... it's brief style output also gives you the vlans   it can be used on fixed switches as well, difference being you have only one module... for example...

dsw2#sh int status mod ?
  0-0  Module number

dsw2#sh int status mod 0

Port      Name               Status           Vlan       Duplex  Speed Type
Fa0/1                             connected    routed     a-full  a-100 10/100BaseTX
Fa0/2                             connected    routed     a-full  a-100 10/100BaseTX
Fa0/3     ---->dsw1        connected    trunk       a-full  a-100 10/100BaseTX
Fa0/4     ---->dsw2        connected    trunk       a-full  a-100 10/100BaseTX
Fa0/5                             connected    routed       full       100 10/100BaseTX
Fa0/6                             notconnect   1                full      100 10/100BaseTX

now i've turned vlans administratively down...


dsw2(config-if-range)#do sh ip int brie
Interface              IP-Address      OK? Method Status                Protocol

Vlan1                  192.168.1.102   YES manual administratively down down
Vlan10                 10.2.1.2            YES manual administratively down down
Vlan20                 10.2.2.1             YES manual administratively down down
Vlan100                100.0.0.2          YES manual administratively down down
FastEthernet0/1        unassigned      YES unset                 up                    up

and i want to get them back by range... determine your last used vlan (or the command will complain)
and...


dsw2(config)#int range vlan 1 - 100
dsw2(config-if-range)#no shut
dsw2(config-if-range)#do sh ip int brie
Interface              IP-Address      OK? Method Status                Protocol

Vlan1                  192.168.1.102   YES manual up                    up

Vlan10                 10.2.1.2           YES manual up                    up

Vlan20                 10.2.2.1           YES manual up                    up

Vlan100                100.0.0.2         YES manual up                    up







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