07-11-2025 02:50 PM
I’m just making sure on this. If you have two GRE tunnels whose source is the same interface, both MTU would still be 1476 correct?
For instance
Interface gig 1/0/1
ip addr 192.168.1.1 255.255.255.252
tunnel 1
ip mtu 1476
ip tcp adjust-mss 1436
tunnel source 192.168.1.1
tunnel 2
ip mtu 1476
ip tcp adjust-mss 1436
tunnel source 192.168.1.1
and the destinations would be different.
Thanks. Just a sanity check I hope.
Solved! Go to Solution.
07-11-2025 04:06 PM
Correct.
07-11-2025 04:06 PM
Correct.
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