哪两个协议要考虑改MTU大小的

michael_kui

      如题，记得加上原因。好像一个是MPLS,还有一个是PPOE？

sboku

又和多情况下要改MTU的。PPPOE。ＩＰＳＥＣ也要改的。只要有封装，就会有ＭＴＵ的问题。

michael_kui

sboku 发表于 2016-4-26 14:52
又和多情况下要改MTU的。PPPOE。ＩＰＳＥＣ也要改的。只要有封装，就会有ＭＴＵ的问题。

MPLS好像也要改。

dingjerry

还有OSPF

michael_kui

dingjerry 发表于 2016-4-27 00:37
还有OSPF

OSPF？，具体说说

dingjerry

michael_kui 发表于 2016-4-27 16:28
OSPF？，具体说说

Though it is not technically part of the required conditions, during OSPF neighbor establishment if MTU DOESN'T match, it will be stuck in DBD exchange.

You can configure OSPF to ignore MTU checking by issuing "ip ospf mtu-ignore" on both sides.

michael_kui

dingjerry 发表于 2016-4-28 00:16
Though it is not technically part of the required conditions, during OSPF neighbor establishment i ...

也算把，不过我说的是必须要改的协议。