Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1507037

Re: [PATCH net-next 4/5] ipv6: Compute multipath hash for sent ICMP errors from offending packet

From Hannes Frederic Sowa <hannes@stressinduktion.org>
Newsgroups linux.kernel
Subject Re: [PATCH net-next 4/5] ipv6: Compute multipath hash for sent ICMP errors from offending packet
Date 2016-10-24 11:50 +0200
Message-ID <svK3f-5Kp-1@gated-at.bofh.it> (permalink)
References <svJJT-5DE-5@gated-at.bofh.it> <svJJT-5DE-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


On 24.10.2016 11:28, Jakub Sitnicki wrote:
> Improve debuggability with tools like traceroute and make PMTUD work in
> setups that make use of ECMP routing by sending ICMP errors down the
> same path as the offending packet would travel, if it was going in the
> opposite direction.
> 
> There is a caveat, flows in both directions need use the same
> label. Otherwise packets from flow in the opposite direction and ICMP
> errors will not be routed over the same ECMP link.
> 
> Export the function for calculating the multipath hash so that we can
> use it also on receive side, when forwarding ICMP errors.
> 
> Signed-off-by: Jakub Sitnicki <jkbs@redhat.com>

Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org>

Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread


Thread

[PATCH net-next 4/5] ipv6: Compute multipath hash for sent ICMP errors from offending packet Jakub Sitnicki <jkbs@redhat.com> - 2016-10-24 11:30 +0200
  Re: [PATCH net-next 4/5] ipv6: Compute multipath hash for sent ICMP  errors from offending packet Hannes Frederic Sowa <hannes@stressinduktion.org> - 2016-10-24 11:50 +0200

csiph-web