08-11-2008 02:08 AM - edited 03-06-2019 12:42 AM
Hi,
I'm using VACL to capture the traffic for monitoring purpose.
If I have two 6509 connected to each other and having connectivity to access network and capturing traffic on both 6509 and send Ping echo message from core network i see echo request message captured on both 6509 but reply only from 2nd switch.
Has any body obsevr this kind of behaviour ?
Regards,
Chintan
08-11-2008 10:06 AM
The echo request is probably load balanced by your routing protocol on the two distribution 6509. When the echo-request comes back from the host, the answer only goes to its default gateway. You hare probably using HSRP/VRRP or GLBP.
08-11-2008 06:51 PM
H dominic,
yes, I am using HSRP but i could verify that there was no loadbalance and to simplify setup for troubleshooing I only kept on switch for now
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Now I ping VOIP box from remote POP and I capture vlan 301 traffic on interface (trunk interface with switchport capture )where sniffer is connected but I only see echo request on sniffer (i.e. outgoing packets from vlan 301 to VOIP box) but don't see echo reply (incomming from VOIP box towards remote POP)so i belive right now i can only see egress packet no ingress..
Can you please help me to resolve issue ?
Regards
Chintan
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