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-rw-r--r--drivers/net/vrf.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/vrf.c b/drivers/net/vrf.c
index 18d752ae554f..ce711e5f8c5d 100644
--- a/drivers/net/vrf.c
+++ b/drivers/net/vrf.c
@@ -1273,8 +1273,12 @@ 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[],