01-01-2023 06:42 AM
Hi!
Can anyone please tell me what is the MTU when using DMVPN (mGRE and NHRP + IPSEC, ESP with tunnel mode)? When I use the command "ip mtu XXXX" to configure interface tunnel 0, what does this MTU contain? Does MTU include all the fields in this image? How to configure the appropriate MTU value?
01-01-2023 07:27 AM
Fragmentation Needed: Path MTU Discovery with DMVPN Tunnels
check this link
01-01-2023 12:38 PM - edited 01-01-2023 12:43 PM
Hi,
Try to read example 9 and 10 in the following link:
and then read the "More Recommendations".
Discover and save your favorite ideas. Come back to expert answers, step-by-step guides, recent topics, and more.
New here? Get started with these tips. How to use Community New member guide