MPLS Option A | Packet loss on specific source IP?
I'm currently reviewing 1 issue and just want to seek your inputs about the current setup and the issue.
The setup is there are 2 ISP involve (back-to-back vrf exchange between ISPA and B), Now the issue here's is that when SIP:192.168.100.1 pings x.x.x.169 of ISP A IPpacket loss existwhileno packet losswhen pinging ISP B IP(x.x.x.170).
So I'm thinking this could be a circuit issue between 2 ISP but when I tried a different source IP noticed that there's no packet loss. Conduct a reachability from CE router block (192.168.100.0 & .200.0) towards to ISP B IP but unable to detected packet on both link facing ISP A. Also note that issue also happens on both ISP A link when CE pings sourcing to 192.168.100.x.
I do have access to ISP A and I'm thinking what could possibly go wrong. Let me know if I have missed.
no packet loss on ISP A to ISP B p2p ip addresses / no congestion.
Does the BGP multi path can affect the traffic ? (i believe should not affect since able to see the p2p and bgp peering's are stable).
No ACL or some sort of filtering applied on ISP A interface.
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