From: Timo Teräs <timo.teras@iki.fi>
Date: Sun, 19 Jul 2020 15:08:50 +0000 (+0300)
Subject: nhrpd: add reference to net.ipv4.ip_forward_use_pmtu=1 thread
X-Git-Tag: frr-8.0.1~676^2~5
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=46d380217d5e44e3f48b1a6192c578430e832caa;p=mirror_frr.git

nhrpd: add reference to net.ipv4.ip_forward_use_pmtu=1 thread

Add a mailing list reference regard net.ipv4.ip_forward_use_pmtu=1.

Signed-off-by: Reuben Dowle <reuben.dowle@4rf.com>
---

diff --git a/nhrpd/README.kernel b/nhrpd/README.kernel
index 5831316f1..067ff9838 100644
--- a/nhrpd/README.kernel
+++ b/nhrpd/README.kernel
@@ -32,6 +32,7 @@ This list tries to collect them to one source of information:
     commit "ipv4: introduce ip_dst_mtu_maybe_forward and protect forwarding path against pmtu spoofing"
   Workaround:
     Set sysctl net.ipv4.ip_forward_use_pmtu=1
+    See: https://marc.info/?t=143636239500003&r=1&w=2 for details
     (Should fix kernel to have this by default on for tunnel devices)
 
 - subtle path mtu mishandling issues