Cisco NM-8B-U User Guide - Page 155
Fallback Bridging Example, Creating a Bridge Group Example
UPC - 074632001001
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16- and 36-Port Ethernet Switch Module for Cisco 2600 Series, Cisco 3600 Series, and Cisco 3700 Series Configuration Examples for the 16- and 36-Port Ethernet Switch Module Fallback Bridging Example This section describes how to configure fallback bridging on your switch. It contains this configuration information: • Creating a Bridge Group Example, page 155 • Preventing the Forwarding of Dynamically Learned Stations Example, page 155 • Configuring the Bridge Table Aging Time Example, page 155 • Filtering Frames by a Specific MAC Address Example, page 155 • Adjusting Spanning-Tree Parameters Examples, page 155 Creating a Bridge Group Example The following example shows how to create bridge group 10, specify the VLAN-bridge STP to run in the bridge group, and assign an interface to the bridge group: Switch(config)# bridge 10 protocol vlan-bridge Switch(config)# interface gigabitethernet0/1 Switch(config-if)# no switchport Switch(config-if)# bridge-group 10 Preventing the Forwarding of Dynamically Learned Stations Example The following example shows how to prevent the switch from forwarding frames for stations that it has dynamically learned in bridge group 10: Switch(config)# no bridge 10 acquire Configuring the Bridge Table Aging Time Example The following example shows how to change the bridge table aging time to 200 seconds for bridge group 10: Switch(config)# bridge 10 aging-time 200 Filtering Frames by a Specific MAC Address Example The following example shows how to forward a frame with MAC address 0800.cb00.45e9 through an interface in bridge group 1: Switch(config)# bridge 1 address 0800.cb00.45e9 forward gigabitethernet0/1 Adjusting Spanning-Tree Parameters Examples The following examples show how to adjust spanning-tree parameters: • Changing the Switch Priority Example, page 156 • Changing the Interface Priority Example, page 156 • Assigning a Path Cost Example, page 156 • Adjusting BPDU Intervals Example, page 156 • Disabling the Spanning Tree on an Interface Example, page 156 Cisco IOS Release 12.2(2)XT, 12.2(8)T, and 12.2(15)ZJ 155