odhcp6c : Silence mtu write error warnings

[openwrt.git] / package / network / ipv6 / odhcp6c / files / dhcpv6.script

diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.script b/package/network/ipv6/odhcp6c/files/dhcpv6.script
index c307d09..46980cb 100755 (executable)
--- 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