diff --git a/print-rip.c b/print-rip.c
new file mode 100644
index 0000000..772a2e0
--- /dev/null
+++ b/print-rip.c
@@ -0,0 +1,254 @@
+/*
+ * Copyright (c) 1989, 1990, 1991, 1993, 1994, 1996
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University nor the names of its contributors may be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-rip.c,v 1.57 2003/11/16 09:36:34 guy Exp $ (LBL)";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#include "interface.h"
+#include "addrtoname.h"
+#include "extract.h"			/* must come after interface.h */
+
+struct rip {
+	u_int8_t rip_cmd;		/* request/response */
+	u_int8_t rip_vers;		/* protocol version # */
+	u_int8_t unused[2];		/* unused */
+};
+
+#define	RIPCMD_REQUEST		1	/* want info */
+#define	RIPCMD_RESPONSE		2	/* responding to request */
+#define	RIPCMD_TRACEON		3	/* turn tracing on */
+#define	RIPCMD_TRACEOFF		4	/* turn it off */
+#define	RIPCMD_POLL		5	/* want info from everybody */
+#define	RIPCMD_POLLENTRY	6	/* poll for entry */
+
+static const struct tok rip_cmd_values[] = {
+    { RIPCMD_REQUEST,	        "Request" },
+    { RIPCMD_RESPONSE,	        "Response" },
+    { RIPCMD_TRACEON,	        "Trace on" },
+    { RIPCMD_TRACEOFF,	        "Trace off" },
+    { RIPCMD_POLL,	        "Poll" },
+    { RIPCMD_POLLENTRY,	        "Poll Entry" },
+    { 0, NULL}
+};
+
+#define RIP_AUTHLEN  16
+#define RIP_ROUTELEN 20
+
+/*
+ * rfc 1723
+ * 
+ *  0                   1                   2                   3 3
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Command (1)   | Version (1)   |           unused              |
+ * +---------------+---------------+-------------------------------+
+ * | Address Family Identifier (2) |        Route Tag (2)          |
+ * +-------------------------------+-------------------------------+
+ * |                         IP Address (4)                        |
+ * +---------------------------------------------------------------+
+ * |                         Subnet Mask (4)                       |
+ * +---------------------------------------------------------------+
+ * |                         Next Hop (4)                          |
+ * +---------------------------------------------------------------+
+ * |                         Metric (4)                            |
+ * +---------------------------------------------------------------+
+ *
+ */
+
+struct rip_netinfo {
+	u_int16_t rip_family;
+	u_int16_t rip_tag;
+	u_int32_t rip_dest;
+	u_int32_t rip_dest_mask;
+	u_int32_t rip_router;
+	u_int32_t rip_metric;		/* cost of route */
+};
+
+static void
+rip_entry_print_v1(register const struct rip_netinfo *ni)
+{
+	register u_short family;
+
+	/* RFC 1058 */
+	family = EXTRACT_16BITS(&ni->rip_family);
+	if (family != AF_INET) {
+		printf("\n\t AFI: %u:", family);
+                print_unknown_data((u_int8_t *)&ni->rip_family,"\n\t  ",RIP_ROUTELEN);
+		return;
+	}
+	if (EXTRACT_16BITS(&ni->rip_tag) ||
+	    EXTRACT_32BITS(&ni->rip_dest_mask) ||
+	    EXTRACT_32BITS(&ni->rip_router)) {
+		/* MBZ fields not zero */
+                print_unknown_data((u_int8_t *)&ni->rip_family,"\n\t  ",RIP_ROUTELEN);
+		return;
+	} /* AF_INET */
+	printf("\n\t  %s, metric: %u",
+               ipaddr_string(&ni->rip_dest),
+	       EXTRACT_32BITS(&ni->rip_metric));
+}
+
+static void
+rip_entry_print_v2(register const struct rip_netinfo *ni)
+{
+	register u_char *p;
+	register u_short family;
+	u_char buf[RIP_AUTHLEN];
+
+	family = EXTRACT_16BITS(&ni->rip_family);
+	if (family == 0xFFFF) { /* 16 bytes authentication ? */
+                if (EXTRACT_16BITS(&ni->rip_tag) == 2) { /* simple text authentication ? */
+			memcpy(buf, &ni->rip_dest, sizeof(buf));
+			buf[sizeof(buf)-1] = '\0';
+			for (p = buf; *p; p++) {
+				if (!isprint(*p))
+					break;
+			}
+                        printf("\n\t  Simple Text Authentication data: %s", buf);
+                } else {
+			printf("\n\t  Unknown (%u) Authentication data:",
+			       EXTRACT_16BITS(&ni->rip_tag));
+                        print_unknown_data((u_int8_t *)&ni->rip_dest,"\n\t  ",RIP_AUTHLEN);
+		}
+	} else if (family != AF_INET) {
+		printf("\n\t  AFI: %u", family);
+                print_unknown_data((u_int8_t *)&ni->rip_tag,"\n\t  ",RIP_ROUTELEN-2);
+		return;
+	} else { /* AF_INET */
+		printf("\n\t  AFI: IPv4: %15s/%-2d, tag 0x%04x, metric: %u, next-hop: ",
+                       ipaddr_string(&ni->rip_dest),
+		       mask2plen(EXTRACT_32BITS(&ni->rip_dest_mask)),
+                       EXTRACT_16BITS(&ni->rip_tag),
+                       EXTRACT_32BITS(&ni->rip_metric));
+		if (EXTRACT_32BITS(&ni->rip_router))
+			printf("%s", ipaddr_string(&ni->rip_router));
+                else
+                    printf("self");
+	}
+}
+
+void
+rip_print(const u_char *dat, u_int length)
+{
+	register const struct rip *rp;
+	register const struct rip_netinfo *ni;
+	register u_int i, j;
+	register int trunc;
+
+	if (snapend < dat) {
+		printf(" [|rip]");
+		return;
+	}
+	i = snapend - dat;
+	if (i > length)
+		i = length;
+	if (i < sizeof(*rp)) {
+		printf(" [|rip]");
+		return;
+	}
+	i -= sizeof(*rp);
+
+	rp = (struct rip *)dat;
+
+        printf("%sRIPv%u",
+               (vflag >= 1) ? "\n\t" : "",
+               rp->rip_vers);
+
+	switch (rp->rip_vers) {
+	case 0:
+		/*
+		 * RFC 1058.
+		 *
+		 * XXX - RFC 1058 says
+		 *
+		 * 0  Datagrams whose version number is zero are to be ignored.
+		 *    These are from a previous version of the protocol, whose
+		 *    packet format was machine-specific.
+		 *
+		 * so perhaps we should just dump the packet, in hex.
+		 */
+                print_unknown_data((u_int8_t *)&rp->rip_cmd,"\n\t",length);
+		break;
+	default:
+                /* dump version and lets see if we know the commands name*/
+                printf(", %s, length: %u",
+                       tok2str(rip_cmd_values,
+                               "unknown command (%u)",
+                               rp->rip_cmd),
+                       length);
+
+                if (vflag < 1)
+                    return;
+
+		switch (rp->rip_cmd) {
+		case RIPCMD_RESPONSE:
+			j = length / sizeof(*ni);
+                        printf(", routes: %u",j);
+			trunc = (i / sizeof(*ni)) != j;
+			ni = (struct rip_netinfo *)(rp + 1);
+			for (; i >= sizeof(*ni); ++ni) {
+				if (rp->rip_vers == 1)
+					rip_entry_print_v1(ni);
+				else if (rp->rip_vers == 2)
+					rip_entry_print_v2(ni);
+                                else
+                                    break;
+				i -= sizeof(*ni);
+			}
+			if (trunc)
+				printf("[|rip]");
+			break;
+
+		case RIPCMD_REQUEST:
+		case RIPCMD_TRACEOFF:
+		case RIPCMD_POLL:
+		case RIPCMD_POLLENTRY:
+			break;
+
+		case RIPCMD_TRACEON:
+                    /* fall through */
+	        default:
+                    if (vflag <= 1) {
+                        if(!print_unknown_data((u_int8_t *)rp,"\n\t",length))
+                            return;
+                    }
+                    break;
+                }
+                /* do we want to see an additionally hexdump ? */
+                if (vflag> 1) {
+                    if(!print_unknown_data((u_int8_t *)rp,"\n\t",length))
+                        return;
+                }
+        }
+}
+
+