From ac7858a0f32d7a391493aebe448afeb9d430adb6 Mon Sep 17 00:00:00 2001 From: blogic Date: Sun, 20 Mar 2016 18:48:59 +0000 Subject: [PATCH] odhcp6c : Silence mtu write error warnings Silence warning "daemon.notice netifd: wan6 (1139): sh: write error: Invalid argument" when an invalid MTU is received via RA as kernel refuses to accept IPv6 mtu values which are smaller than 1280 and bigger than the device mtu. Signed-off-by: Hans Dedecker git-svn-id: svn+ssh://svn.openwrt.org/openwrt/trunk@49054 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- package/network/ipv6/odhcp6c/files/dhcpv6.script | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.script b/package/network/ipv6/odhcp6c/files/dhcpv6.script index c307d09580..46980cb57d 100755 --- a/package/network/ipv6/odhcp6c/files/dhcpv6.script +++ b/package/network/ipv6/odhcp6c/files/dhcpv6.script @@ -185,7 +185,7 @@ setup_interface () { # Apply IPv6 / ND configuration HOPLIMIT=$(cat /proc/sys/net/ipv6/conf/$device/hop_limit) [ -n "$RA_HOPLIMIT" -a -n "$HOPLIMIT" ] && [ "$RA_HOPLIMIT" -gt "$HOPLIMIT" ] && echo "$RA_HOPLIMIT" > /proc/sys/net/ipv6/conf/$device/hop_limit - [ -n "$RA_MTU" ] && [ "$RA_MTU" -gt 0 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu + [ -n "$RA_MTU" ] && [ "$RA_MTU" -ge 1280 ] && echo "$RA_MTU" > /proc/sys/net/ipv6/conf/$device/mtu 2>/dev/null [ -n "$RA_REACHABLE" ] && [ "$RA_REACHABLE" -gt 0 ] && echo "$RA_REACHABLE" > /proc/sys/net/ipv6/neigh/$device/base_reachable_time_ms [ -n "$RA_RETRANSMIT" ] && [ "$RA_RETRANSMIT" -gt 0 ] && echo "$RA_RETRANSMIT" > /proc/sys/net/ipv6/neigh/$device/retrans_time_ms