bridge: Fix assertion for MTU

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/src/hooks/zones/bridge b/src/hooks/zones/bridge
index 838a513187e5fd562245cef4aa31f7aa66b1542f..d610814a908ec8335caaf140887854340430c16b 100644 (file)
--- a/src/hooks/zones/bridge
+++ b/src/hooks/zones/bridge
@@ -38,13 +38,13 @@ STP_PRIORITY=512
 
 hook_check_settings() {
        assert ismac ADDRESS
+       assert isset MTU && assert mtu_is_valid "ethernet" "${MTU}"
 
        # Spanning Tree Protocol
        assert isbool STP
        assert isinteger STP_HELLO
        assert isinteger STP_FORWARD_DELAY
        assert isinteger STP_PRIORITY
-       assert isinteger MTU
 }
 
 hook_parse_cmdline() {