call cdp_print for CDP packets

[tcpdump] / print-llc.c

diff --git a/print-llc.c b/print-llc.c
index 59a76e5868e67276a96047ae3d3e993191248872..e8735688227199222294e8e2c68e307df491ef2e 100644 (file)
--- a/print-llc.c
+++ b/print-llc.c
@@ -24,7 +24,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-llc.c,v 1.27 1999-12-22 06:27:21 itojun Exp $";
+    "@(#) $Header: /tcpdump/master/tcpdump/print-llc.c,v 1.28 2000-05-15 00:40:04 assar Exp $";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -83,6 +83,15 @@ llc_print(const u_char *p, u_int length, u_int caplen,
                ipx_print(p, length);
                return (1);
        }
+
+       /* Cisco Discovery Protocol  - SNAP & ether type 0x2000 */
+       if(llc.ssap == LLCSAP_SNAP && llc.dsap == LLCSAP_SNAP &&
+               llc.llcui == LLC_UI && 
+               llc.ethertype[0] == 0x20 && llc.ethertype[1] == 0x00 ) {
+                   cdp_print( p, length, caplen, esrc, edst);
+                   return (1);
+       }
+
        if (llc.ssap == 0xf0 && llc.dsap == 0xf0) {
                /*
                 * we don't actually have a full netbeui parser yet, but the