From: Roy Marples <roy@marples.name>
Date: Sun, 10 Nov 2019 21:12:31 +0000 (+0000)
Subject: RA: Set mtu to zero and then pull in the MTU option if any
X-Git-Tag: v8.1.2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b0aed183191e38bcda7844e30904ef26e99b06d;p=thirdparty%2Fdhcpcd.git

RA: Set mtu to zero and then pull in the MTU option if any

Incase the router sets it back to unspecified.
---

diff --git a/src/ipv6nd.c b/src/ipv6nd.c
index e9d2a950..06e158b9 100644
--- a/src/ipv6nd.c
+++ b/src/ipv6nd.c
@@ -1121,6 +1121,7 @@ ipv6nd_handlera(struct dhcpcd_ctx *ctx,
 	rap->hasdns = false;
 	rap->isreachable = true;
 	has_address = false;
+	rap->mtu = 0;
 
 #ifdef IPV6_AF_TEMPORARY
 	ipv6_markaddrsstale(ifp, IPV6_AF_TEMPORARY);