Cisco Catalyst 4500 Series Command Reference Guide

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
debug pagp
debug pagp
To debug the PAgP activity, use the debug pagp command. To disable the debugging output, use the no
form of this command.
debug pagp [all | dual-active | event | fsm | misc | packet]
no debug pagp
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC mode
Command History
Usage Guidelines This command is supported only on the supervisor engine and can be entered only from the
Catalyst 4500 series switch console.
Examples This example shows how to enable the PAgP miscellaneous debugging:
Switch# debug pagp misc
Port Aggregation Protocol Miscellaneous debugging is on
Switch#
*Sep 30 10:13:03: SP: PAgP: pagp_h(Fa5/6) expired
*Sep 30 10:13:03: SP: PAgP: 135 bytes out Fa5/6
*Sep 30 10:13:03: SP: PAgP: Fa5/6 Transmitting information packet
*Sep 30 10:13:03: SP: PAgP: timer pagp_h(Fa5/6) started with interval 30000
<... output truncated...>
Switch#
Related Commands
all (Optional) Enables all PAgP debugging.
dual-active (Optional) Enables the PAgP dual-active debugging.
event (Optional) Enables the debugging of the PAgP events.
fsm (Optional) Enables the debugging of the PAgP finite state machine.
misc (Optional) Enables the miscellaneous PAgP debugging.
packet (Optional) Enables the PAgP packet debugging.
Release Modification
12.1(8a)EW Support for this command was introduced on the Catalyst 4500 series switch.
Command Description
undebug pagp (same as no debug pagp) Disables debugging output.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E