Cannot ping my own IP address

Unanswered Question
Mar 4th, 2010

I can't ping my own IP address on switch Cisco2960. I have an identical configuration with exception of IP addresses on it's partner primary switch but I can't ping the IP address of the secondary\backup switch and I could ping the IP address on primary switch.

Please advise.

June

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Reza Sharifi Thu, 03/04/2010 - 16:06

june_encarnacion wrote:

I can't ping my own IP address on switch Cisco2960. I have an identical configuration with exception of IP addresses on it's partner primary switch but I can't ping the IP address of the secondary\backup switch and I could ping the IP address on primary switch.

Please advise.

June

Hello June,

Is the backup switch IP in the same subnet as the primary?  Since the 2960s are layer-2 devices you can only have one IP address (svi) at the time and that is for management.

HTH

Reza

june_encarnacion Thu, 03/04/2010 - 16:11

Hello Reza,

Thanks for responding to my post.Yes,  the backup switch IP address is in the same subnet as the primary.

June

Reza Sharifi Thu, 03/04/2010 - 16:17

Hello June,

So you have an svi configured on each switch and gave it an IP address in the same subnet? Did you also remember to add a port to the vlan?

What is the status of the vlan and the physical interface?

Can you post the config from both switches?

HTH

Reza

june_encarnacion Thu, 03/04/2010 - 16:23

Reza,

Please see the configuration below...

(primary)

interface Vlan1
description 1X00507G24-2960.0401
ip address 192.168.83.33 255.255.254.0
no ip redirects
no ip unreachables
no ip route-cache
load-interval 30

(backup)

interface Vlan1
description 1X00507G24-2960.0401
ip address 192.168.83.34 255.255.254.0
no ip redirects
no ip unreachables
no ip route-cache
load-interval 30

Thanks,

June

Reza Sharifi Thu, 03/04/2010 - 16:31

What physical port is added to vlan 1 on each switch?

can you post the config?

are they in up and up mode?

what does "sh ip int brie" shows?

Reza

june_encarnacion Thu, 03/04/2010 - 16:43

Reza,

Yes, they are all in up mode. I could actually ping the workstations connected in the backup switch from a different location but not the backup IP address.I'll try to check tomorrow the "sh ip int brie" shows" tomorrow when I get back at site.

Regards,

June

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