Update a URL.

diff --git a/print-cdp.c b/print-cdp.c
index aefb68dbcf751eaef7aa96c44dee8e3ce3f41bd7..a725eb6ea4a579607d63f1e9012300fc360fe668 100644 (file)
--- a/print-cdp.c
+++ b/print-cdp.c
@@ -202,7 +202,7 @@ cdp_print(netdissect_options *ndo,
                        ND_PRINT((ndo, "%s", *(tptr) ? "full": "half"));
                        break;
 
-                   /* http://www.cisco.com/univercd/cc/td/doc/product/voice/ata/atarn/186rn21m.htm
+                   /* http://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cata/186/2_12_m/english/release/notes/186rn21m.html
                     * plus more details from other sources
                     */
                    case 0x0e: /* ATA-186 VoIP VLAN request - incomplete doc. */