* extract.pl.in: Ignore "router zebra".
diff --git a/vtysh/extract.pl.in b/vtysh/extract.pl.in
index 444fc9a..bab9b14 100755
--- a/vtysh/extract.pl.in
+++ b/vtysh/extract.pl.in
@@ -40,6 +40,7 @@
 $ignore{'"router bgp <1-65535>"'} = "ignore";
 $ignore{'"router bgp <1-65535> view WORD"'} = "ignore";
 $ignore{'"router isis WORD"'} = "ignore";
+$ignore{'"router zebra"'} = "ignore";
 $ignore{'"address-family ipv4"'} = "ignore";
 $ignore{'"address-family ipv4 (unicast|multicast)"'} = "ignore";
 $ignore{'"address-family ipv6"'} = "ignore";