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Strange behaviour two servers in a vlan not a able to reach

srikanth ath
Level 4
Level 4

                   Hello Experts,

. I was able to Ping the servers 10.14.32.246 and 10.14.32.26 successfully from couple of different Vlans like 10.14.x.x in the network  but NOT from 10.14.14.x. However other servers in 10.14.32.x like 10.14.32.172 and 10.14.32.155 were pinging successfully from 10.14.14.x.

What would be the possible reason for this behaviour. No acl's applied for the vlans in the network.

ZZZZZ# ping 10.14.32.246 source 10.14.14.1

PING 10.14.32.246 (10.14.32.246) from 10.14.14.1: 56 data bytes

Request 0 timed out

Request 1 timed out

Request 2 timed out

Request 3 timed out

Request 4 timed out

--- 10.14.32.246 ping statistics ---

5 packets transmitted, 0 packets received, 100.00% packet loss

ZZZZZ # ping 10.14.32.26 source 10.14.14.1

PING 10.14.32.26 (10.14.32.26) from 10.14.14.1: 56 data bytes

Request 0 timed out

Request 1 timed out

Request 2 timed out

Request 3 timed out

Request 4 timed out

--- 10.14.32.26 ping statistics ---

5 packets transmitted, 0 packets received, 100.00% packet loss

ZZZZZ # ping 10.14.32.76 source 10.14.14.1

PING 10.14.32.76 (10.14.32.76) from 10.14.14.1: 56 data bytes

64 bytes from 10.14.32.76: icmp_seq=0 ttl=127 time=1.356 ms

64 bytes from 10.14.32.76: icmp_seq=1 ttl=127 time=1.025 ms

64 bytes from 10.14.32.76: icmp_seq=2 ttl=127 time=1.153 ms

64 bytes from 10.14.32.76: icmp_seq=3 ttl=127 time=0.857 ms

64 bytes from 10.14.32.76: icmp_seq=4 ttl=127 time=1.063 ms

--- 10.14.32.76 ping statistics ---

5 packets transmitted, 5 packets received, 0.00% packet loss

round-trip min/avg/max = 0.857/1.09/1.356 ms

1 Reply 1

dbrognaux
Level 1
Level 1

Hoi,

Maybe the software firewall block the icmp at the outbound interface of your server ??
I had this issue with Windows firewall, icmp were blocled in both direction of my computer.

Try to post your catalyst config here, maybe it will be help to solve this issue...

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