Cisco 2950 Software Configuration Guide - Page 286
Configuring LRE Link Monitor, Configuring LRE Interleave
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Configuring LRE Ports Chapter 13 Configuring LRE Configuring LRE Link Monitor When link monitor is enabled, an LRE switch feature tracks undesirable or interesting conditions on a link or takes system-defined actions after certain thresholds are reached. Beginning in privileged EXEC mode, follow these steps to enable link monitor: Step 1 Step 2 Command configure terminal interface interface-id Step 3 Step 4 Step 5 Step 6 link monitor end show running-config copy running-config startup-config Purpose Enter global configuration mode. Specify the LRE port to be configured, and enter interface configuration mode. Enable LRE link monitoring on an LRE port. Return to privileged EXEC mode. Verify the change. (Optional) Save your entries in the configuration file. To disable the link monitor feature, use the no link monitor interface configuration command. Configuring LRE Interleave The interleave feature provides maximum protection against small interruptions on the LRE link but delays data transmission. You can configure the interleave delay on LRE interfaces. A lower value of the interleave block size means less tolerance to noise and causes a lower latency of frame transmission. For example, lower values of the interleave block size can be used for voice applications. A higher value of the interleave block size means higher tolerance to noise and causes higher latency in the frame transmission. For example, higher values of the interleave block size can be used for data applications. If a lower latency of frame transmission is required, you can use a lower interleave value, but the LRE switch will have less tolerance to noise. Follow these guidelines for configuring the interleave delay: • Interleave delay is applicable only when the non-LL profiles are used. Existing LL profiles are supported. • Interleave block size values of 0, 1, 2, 8, or 16 are supported. • Different ports with the same profile can have different interleave settings. Beginning in privileged EXEC mode, follow these steps to set the interleave block size on a specific LRE port: Step 1 Step 2 Step 3 Command Purpose configure terminal Enter global configuration mode. interface interface-id Specify the LRE port to be configured, and enter interface configuration mode. interleave downstream value upstream value Enter the downstream and upstream values. Supported values for interleave block sizes are 0, 1, 2, 8, or 16. 13-20 Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide 78-11380-10
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