OSI (IS-IS) support over GRE tunnels

diff --git a/print-gre.c b/print-gre.c
index fc090a4a16ce51a2743eca598471ccd9d247e831..70840025ae52cdddc069383529b0a7e9d1623568 100644 (file)
--- a/print-gre.c
+++ b/print-gre.c
@@ -38,7 +38,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-gre.c,v 1.17 2002-09-20 22:42:21 itojun Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/tcpdump/print-gre.c,v 1.18 2002-09-24 23:39:22 hannes Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -67,6 +67,7 @@ static const char rcsid[] =
 
 #define        GREPROTO_IP     0x0800          /* IP */
 #define        GREPROTO_PPP    0x880b          /* PPTP */
+#define        GREPROTO_ISO    0xfefe          /* OSI */
 
 /* source route entry types */
 #define        GRESRE_IP       0x0800          /* IP */
@@ -185,6 +186,9 @@ gre_print_0(const u_char *bp, u_int length)
        case GREPROTO_IP:
                ip_print(bp, len);
                break;
+        case GREPROTO_ISO:
+                isoclns_print(bp, len, len, NULL, NULL);
+                break;
        default:
                printf("gre-proto-0x%x", prot);
        }