From 5db3d63160670c796ed74a170862c367048d89bb Mon Sep 17 00:00:00 2001 From: Christian Poessinger Date: Sat, 26 Sep 2020 12:00:06 +0200 Subject: ifconfig: mtu: disallow MTU < 1280 bytes when IPv6 is enabled on the interface Using an MTU less then the required 1280 bytes (as per RFC) on an interface where IPv6 is not explicitly disabled by: - set interfaces ethernet eth1 ipv6 address no-default-link-local - not having any other IPv6 address configured Will now trigger a commit error via verify() instead of raising FileNotFoundError! --- src/conf_mode/interfaces-bridge.py | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/conf_mode/interfaces-bridge.py') diff --git a/src/conf_mode/interfaces-bridge.py b/src/conf_mode/interfaces-bridge.py index 485decb17..4ac9c8963 100755 --- a/src/conf_mode/interfaces-bridge.py +++ b/src/conf_mode/interfaces-bridge.py @@ -25,6 +25,7 @@ from vyos.configdict import node_changed from vyos.configdict import is_member from vyos.configdict import is_source_interface from vyos.configverify import verify_dhcpv6 +from vyos.configverify import verify_mtu_ipv6 from vyos.configverify import verify_vrf from vyos.ifconfig import BridgeIf from vyos.validate import has_address_configured @@ -95,6 +96,7 @@ def verify(bridge): if 'deleted' in bridge: return None + verify_mtu_ipv6(bridge) verify_dhcpv6(bridge) verify_vrf(bridge) -- cgit v1.2.3