So, this is the first time I am putting the query.
Our client reported that they are not able to ping out to out to our dns or Google dns from their side.
We did not make any changes whatsoever from our end.
When we tested from the CPE we are able to ping out of interface which is a bgp peer to our core .
But unable to ping with source vlan1
86.52.223.6 on our core side.and .7 is on Cisco..
We are able to reach 8.8.8.8 fro mour core sourced at peer interface.
So issue is definitely with the Cisco..as we able ping the dns with faeth4 as source but no as vlan1 as source.
I was out of shift so tried to work with colleague on chat.
We tried
Putting access list allowing vlan Putting nat overload which was suggested in some community discussion for similar issue . Neither worked.
No recent changes have been made on Cisco.
Cisco is old 800 series shit router.
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