Let's use 2608/tcp for isisd.
diff --git a/doc/install.texi b/doc/install.texi
index 1823e97..e32b9a7 100644
--- a/doc/install.texi
+++ b/doc/install.texi
@@ -262,6 +262,8 @@
ospfd 2604/tcp # OSPFd vty
bgpd 2605/tcp # BGPd vty
ospf6d 2606/tcp # OSPF6d vty
+ospfapi 2607/tcp # ospfapi
+isisd 2608/tcp # ISISd vty
@end example
If you use a FreeBSD newer than 2.2.8, the above entries are already
diff --git a/redhat/quagga.spec.in b/redhat/quagga.spec.in
index 319e507..5308cc4 100644
--- a/redhat/quagga.spec.in
+++ b/redhat/quagga.spec.in
@@ -197,6 +197,7 @@
%if %with_ospfapi
zebra_spec_add_service ospfapi 2607/tcp "OSPF-API"
%endif
+zebra_spec_add_service isisd 2608/tcp "ISISd vty"
/sbin/chkconfig --add zebra
/sbin/chkconfig --add ripd