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| author | Christian Poessinger <christian@poessinger.com> | 2019-03-08 19:37:37 +0100 |
|---|---|---|
| committer | Christian Poessinger <christian@poessinger.com> | 2019-03-08 19:37:37 +0100 |
| commit | 41bf7ac09bc0503d5144cbe3839f4e3cc246c7c7 (patch) | |
| tree | 342982ef91fa4fdba6df6213220dfc91cf9852c3 /templates | |
| parent | 575d326eb5dc4e7521533819f8b5c12e9d728a87 (diff) | |
| download | vyatta-cfg-system-41bf7ac09bc0503d5144cbe3839f4e3cc246c7c7.tar.gz vyatta-cfg-system-41bf7ac09bc0503d5144cbe3839f4e3cc246c7c7.zip | |
T1067: [vxlan] bump minimum MTU to 1450 bytes
Diffstat (limited to 'templates')
| -rw-r--r-- | templates/interfaces/vxlan/node.tag/mtu/node.def | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/templates/interfaces/vxlan/node.tag/mtu/node.def b/templates/interfaces/vxlan/node.tag/mtu/node.def index 2d01db91..9c213a91 100644 --- a/templates/interfaces/vxlan/node.tag/mtu/node.def +++ b/templates/interfaces/vxlan/node.tag/mtu/node.def @@ -1,11 +1,14 @@ type: u32 priority: 461 help: Maximum Transmission Unit (MTU) -syntax:expression: $VAR(@) >= 68 && $VAR(@) <= 9000; "Must be between 68-9000" -val_help: u32:68-9000; Maximum Transmission Unit (MTU) +syntax:expression: $VAR(@) >= 1450 && $VAR(@) <= 9000; "Must be between 1450-9000" +val_help: u32:1450-9000; Maximum Transmission Unit (MTU) update: if [ -d /sys/class/net/$VAR(../@) ] ; then + if [ "$VAR(@)" -lt "1500" ]; then + echo "WARNING: RFC7348 recommends VXLAN tunnels preserve a 1500 byte MTU." + fi sudo ip link set $VAR(../@) mtu $VAR(@) fi delete: |