08-28-2010 10:55 PM - edited 03-06-2019 12:42 PM
Hi
I am having a strange problem to ping 3560 Switch from my 2960 Switch. Few Days earlier it was working. Both the Switches are having trunk. At my 2960 Switch can only Ping his Valn 1 Ip address. 2560 can not ping 2960 but can ping other network switches and router.
Can you guys help me what is the reason behind this...
Solved! Go to Solution.
08-29-2010 08:36 PM
Hello,
The two switches are on different IP subnets.
On 3560:
interface Vlan1
ip address 10.99.43.7 255.255.255.0
no ip route-cache
On 2960:
interface Vlan1
description "Management VLAN"
ip address 10.99.15.5 255.255.255.128
no ip route-cache
So, they cannot talk to each other. One way this could work is if you change
the subnet mask to /16 i.e. 255.255.0.0.
Hope this helps.
Regards,
NT
08-29-2010 03:10 AM
Hi,
Try adding default gateway on 2960
ip default-gateway x.x.x.x
HTH
Hitesh Vinzoda
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08-29-2010 07:59 AM
Hello,
Have you checked the trunk to see if you have enabled management vlan? It
would be a good idea to check the output of "show spanning-tree vlan
" command on both 3560 and 2960 and make sure that the
management vlan is in forwarding state on the trunk. Also, you need to check
to make sure that both are pointing to the same MAC address as the
spanning-tree root. My guess is that for some reason, the trunk may not be
allowing the management vlan traffic.
Regards,
NT
08-29-2010 09:07 AM
Hi,
Can you provide more detailed information?
Such as configuration or debug information (debug ip packets)
Regards,
Feng Luo
08-29-2010 08:24 PM
08-29-2010 08:36 PM
Hello,
The two switches are on different IP subnets.
On 3560:
interface Vlan1
ip address 10.99.43.7 255.255.255.0
no ip route-cache
On 2960:
interface Vlan1
description "Management VLAN"
ip address 10.99.15.5 255.255.255.128
no ip route-cache
So, they cannot talk to each other. One way this could work is if you change
the subnet mask to /16 i.e. 255.255.0.0.
Hope this helps.
Regards,
NT
08-29-2010 08:55 PM
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