diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c index 990f96869fd853afae8660ac9a72c8cdaa61abdf..c63302263fb5ec444e661beb71c0f323dda7ebbe 100644 --- a/drivers/net/vrf.c +++ b/drivers/net/vrf.c @@ -1274,8 +1274,12 @@ static void vrf_setup(struct net_device *dev) dev->priv_flags |= IFF_NO_QUEUE; dev->priv_flags |= IFF_NO_RX_HANDLER; - dev->min_mtu = 0; - dev->max_mtu = 0; + /* VRF devices do not care about MTU, but if the MTU is set + * too low then the ipv4 and ipv6 protocols are disabled + * which breaks networking. + */ + dev->min_mtu = IPV6_MIN_MTU; + dev->max_mtu = ETH_MAX_MTU; } static int vrf_validate(struct nlattr *tb[], struct nlattr *data[],