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SubjectRe: [PATCH net] net: vrf: Fix ping failed when vrf mtu is set to 0
From: linmiaohe <>
Date: Thu, 4 Apr 2019 20:01:13 +0800

> From: Miaohe Lin <>
> When the mtu of a vrf device is set to 0, it would cause ping
> failed.So I think we should limit dev->min_mtu to ETH_MIN_MTU
> to solve this problem. And if dev->max_mtu still be 0 can be
> confusing, so I limit dev->max_mtu to ETH_MAX_MTU.
> Here is the reproduce step:

Just in case it isn't clear, David Ahern gave you feedback and
asked you to adjust things so that the problem is solved for ipv6
as well. He also gave you an appropriate Fixes: tag to add to
your commit message.

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