diff --git a/configs/sh/sh-noc-a8325-b.cfg b/configs/sh/sh-noc-a8325-b.cfg
index 36b1ccd..2049957 100644
--- a/configs/sh/sh-noc-a8325-b.cfg
+++ b/configs/sh/sh-noc-a8325-b.cfg
@@ -837,6 +837,8 @@ interface 1/1/30
 interface 1/1/31
     description ISL LAG
     no shutdown
+    speed 40g
+        ! actual speed auto 40g
     lag 256
 interface 1/1/32
     description ISL LAG