Cisco NM-16ESW - EtherSwitch Switch Instrukcja Użytkownika Pobierz pdf (Strona 53)

Configuring the Cisco Gigabit EtherSwitch EHWIC

How to Configure Gigabit EtherSwitch EHWICs

Configuring the Cisco Gigabit EtherSwitch EHWIC

OL-23155-01

• Configuring the Bridge Table Aging Time, page 56

• Filtering Frames by a Specific MAC Address, page 56

• Adjusting Spanning-Tree Parameters, page 57

• Monitoring and Maintaining the Network, page 64

Understanding the Default Fallback Bridging Configuration

Table 5 shows the default fallback bridging configuration.

Creating a Bridge Group

To configure fallback bridging for a set of SVIs, these interfaces must be assigned to bridge groups. All

interfaces in the same group belong to the same bridge domain. Each SVI can be assigned to only one

bridge group.

Beginning in privileged EXEC mode, follow these steps to create a bridge group and assign an interface

to it.

SUMMARY STEPS

1. configure terminal

2. no ip routing

3. bridge bridge-group protocol vlan-bridge

4. interface vlan vlan-id

5. bridge-group bridge-group

6. end

Table 5 Default Fallback Bridging Configuration

Feature Default Setting

Bridge groups None are defined or assigned to an interface. No

VLAN-bridge STP is defined.

Switch forwards frames for stations that it has

dynamically learned

Enabled.

Bridge table aging time for dynamic entries 300 seconds.

MAC-layer frame filtering Disabled.

Spanning tree parameters:

Switch priority 32768.

Interface priority 128.

Interface path cost 10 Mbps: 100.

100 Mbps: 19.

1000 Mbps: 4.

Hello BPDU interval 2 seconds.

Forward-delay interval 20 seconds.

Maximum idle interval 30 seconds.

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Cisco NM-16ESW - EtherSwitch Switch Instrukcja Użytkownika Strona 53