Cisco Catalyst 2950 Command Reference

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Catalyst 2950 and Catalyst 2955 Switch Command Reference
OL-10102-01
Chapter 2 Catalyst 2950 and 2955 Cisco IOS Commands
persistence
persistence
Use the persistence interface configuration command to set the amount of delay before the link reports
a link failure. Use the no form of this command to return to the default setting.
persistence delay
no persistence delay
This command is available only on Catalyst 2950 Long-Reach Ethernet (LRE) switches.
Syntax Description
Defaults The default is enabled, and the duration is 3 seconds.
Command Modes Interface configuration
Command History
Usage Guidelines Enter the persistence interface configuration command before the link enters the profile link-up mode.
If the link is already in the profile link-up mode when you enter this command, the new value does not
go into effect immediately. Instead, it becomes effective after the profile link goes down and comes back
up.
Examples: This example shows how to establish a delay of 1 second before the link reports a failure:
Switch(config)# interface longreachethernet0/1
Switch(config-if)# persistence 1
You can verify your settings by entering the show controllers lre status privileged EXEC command.
Related Commands
delay The amount of time delay. The range is 1 to 20 seconds.
Release Modification
12.1(11)YJ This command was introduced.
Command Description
show controllers lre status Displays the status of persistence.

Cisco Catalyst 2950 Specifications

General

Forwarding Bandwidth	8.8 Gbps
Switching Capacity	13.6 Gbps
Forwarding Rate	6.6 Mpps
Weight	3.6 kg
RAM	16 MB
Flash Memory	8 MB
Operating Humidity	10% to 85% non-condensing
Uplink Ports	2 x 10/100/1000Base-T
Dimensions	4.4 cm x 44.5 cm x 24.2 cm
Remote Management Protocol	SNMP, Telnet, HTTP
Features	Quality of Service (QoS), VLAN support
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p
Status Indicators	system
Operating Temperature	0 to 45°C
Ports	24 x 10/100 Ethernet ports
MAC Address Table Size	8, 192 entries
Power Supply	Internal 100-240V AC, 50-60Hz