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Chapter 11
Troubleshooting Switched Ethernet
Copyright (c) 1986-1998 by cisco Systems, Inc.
Platform: cisco 4700
Port-ID (Port on Device): FastEthernet0
Port (Our Port): 2/2
__________________________________________________________
Device-ID: Router_C.domain.com
Device Addresses:
IP Address: 10.10.1.1
Holdtime: 177 sec
Capabilities: ROUTER SR_BRIDGE
Version:
Cisco Internetwork Operating System Software
IOS (tm) C2600 Software (C2600-JS-M), Version 12.0(2a),
RELEASE SOFTWARE (fc1)
Copyright (c) 1986-1999 by cisco Systems, Inc.
Platform: cisco 2612
Port-ID (Port on Device): Ethernet1/0
Port (Our Port): 2/17
A CDP datagram decodes with EtherPeek, as follows:
Packet 3 captured at 02/22/1999 09:08:57 AM; Packet size
is 302(0x12e)bytes
Relative time: 000:00:01.473
Delta time: 0.042.868
Ethernet Protocol
Address: 00-00-0C-1B-63-97 --->01-00-0C-CC-CC-CC
Length: 288
Logical Link Control
SSAP Address: 0xAA, CR bit = 0 (Command)
DSAP Address: 0xAA, IG bit = 0 (Individual address)
Unnumbered frame: UI
SubNetwork Access Protocol
Organization code: 0x00000c
Type: Custom Defined
Flags: 0x80 802.3
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