I have a query , we have enabled ip route cache flow on the main ATM IMA interface and we have few subinterfaces configured in it.While looking at the output of ip cache flow I see the source IP add & source interfaces to be different i.e. in the below example 172.18.96.0/22 is a subnet which resides behind AT0/IMA0.75 but I see this subnet as a source / destination IP through a different sub-interfaces.As per the network setup there is no other link for the other sub-interfaces to reach the mentioned subnet.
below is one sample output , we see lot of traffic as highlighted below
AT0/IMA0.776 172.18.96.115 Gi0/0.1 172.18.9.64 06 047D 0882 1 - In this example the mentioned IP should not reflect the source interface as Ima.776 rather it should b only IMA.75 as below.
AT0/IMA0.75 172.18.96.115 Gi0/0.1 172.18.9.64 06 047D 0887 1 - this is right information AT0/IMA0.779 172.18.11.15 AT0/IMA0.75 172.18.96.186 06 0CF6 0050 1 - this is right inforamtion
interface ATM0/IMA0 no ip address ip route-cache flow logging event subif-link-status load-interval 30 ima clock-mode common 0 ima differential-delay-maximum 150 atm vc-per-vp 1024 no atm ilmi-keepalive end
we have these many subinterfaces.ATM0/IMA0.75 is the connection to hub site and the rest are the spoke sites connecting to this router lastly this router is the only transit to reach the hub router.
No routing issues as the route table looks completly good.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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