Cisco Catalyst 2900 Series XL Specifikace stáhnout pdf (Strana 164)

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Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide

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Chapter 6 Configuring the System

Configuring STP

Changing the Hello BPDU Interval

Beginning in privileged EXEC mode, follow these steps to change the hello BPDU interval (hello time).

The stp-list is the list of VLANs to which the STP command applies.

Changing the Forwarding Delay Time

Beginning in privileged EXEC mode, follow these steps to change the forwarding delay time. The

stp-list is the list of VLANs to which the STP command applies.

Command Purpose

Step 1

configure terminal Enter global configuration mode.

Step 2

spanning-tree [vlan stp-list]

hello-time seconds

Specify the interval between hello BPDUs.

Hello messages show that the switch is active. Enter a number from 1 to 10.

Step 3

end Return to privileged EXEC mode.

Step 4

show spanning-tree Verify your entry.

Command Purpose

Step 1

configure terminal Enter global configuration mode.

Step 2

spanning-tree [vlan stp-list]

forward-time seconds

Specify the forwarding time for the specified spanning-tree instance.

The forward delay is the number of seconds a port waits before changing

from its STP learning and listening states to the forwarding state. Enter a

number from 4 to 200.

The default for IEEE is 15 seconds; the default for IBM is 4 seconds.

Step 3

end Return to privileged EXEC mode.

Step 4

show spanning-tree Verify your entry.

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Cisco Catalyst 2900 Series XL Specifikace Strana 164