Cisco Systems RJ-45-to-AUX manual Snmp Default Trap Messages, Bridge − Spanning Tree, 288

SNMP Default Trap Messages

By default, the Cisco Catalyst 1900 and Catalyst 2820 series switches send certain trap messages. Trap messages are sent by default in response to the following events:

∙Port security violations

∙Power recycling (powering on and off)

∙Logon authentication failures

∙STP port changes

∙STP bridge assignments

∙Broadcast threshold problems

∙Power supply problems

[B]Bridge − Spanning Tree

Selecting [B] Bridge − Spanning Tree from the Network Management menu will bring up the following menu. Here we use a 2820 for an example to show a more detailed list of available settings in an upgraded version of the IOS software:

Catalyst 2820 − VLAN 1 Spanning Tree Configuration
Bridge ID: 0002 00−D3−1F−11−B1−05
———————————————————Information——————————————————————
Designated root 0001 00−F3−1F−13−F3−11
Number of member ports	27	Root port	3
Max age (sec)	20	Root path cost	1000
Forward Delay (sec)	15	Hello Time (sec)	10
Topology changes	0	Last TopChange 245f08h12m22s

————————————————————Settings—————————————————————
[S] Spanning Tree Algorithm &	Protocol	Enabled
[B] Bridge priority		32,768
[M] Max age when operating as	root	20	second(s)
[H] Hello time when operating	as root	10	second(s)
[F] Forward delay when operating as the root		15	second(s)

————————————————————Actions——————————————————————

[N] Next VLAN bridge	[G]	Goto VLAN bridge
[P] Previous VLAN bridge	[X]	Exit to previous	menu
Enter Selection:

Note Spanning Tree Protocol and its defaults are covered in detail in Chapter 10.

[C] Cisco Discovery Protocol

Choosing C (Cisco Discovery Protocol) from the Network Management menu will bring up the following menu:

Catalyst 1900 − CDP Configuration/Status

	CDP enabled on: 1−24, AUI, A, B
	————————————————————Settings———————————
[V] Version		2
[H]	Hold Time (secs)	180
[T]	Transmission Interval (secs)	60

——————————Actions————————————

[E]Enable CDP on Port(s)

[D]Disable CDP on Port(s)

[S]Show Neighbor

[X]Exit to previous menu

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