Commit 14c06e44 for quagga.net
commit 14c06e44cf8ea99adeccb80a069a3e3171f52c10
Author: Timo Teräs <timo.teras@iki.fi>
Date: Sun Jul 19 18:08:50 2020 +0300
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.
diff --git a/nhrpd/README.kernel b/nhrpd/README.kernel
index 3fe1f65f..eb096554 100644
--- a/nhrpd/README.kernel
+++ b/nhrpd/README.kernel
@@ -34,6 +34,7 @@ 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