
Configuring LAN Interfaces
Configuring an Ethernet or Fast Ethernet Interface
IC-30
Cisco IOS Interface Configuration Guide
To configure the interfaces on the PA-12E/2FE port adapter, use the following commands in global
configuration mode:
To enable integrated routing and bridging on the bridge groups, use the following commands beginning
in global configuration mode:
Command Purpose
Step 1
bridge bridge-group protocol ieee
Specifies the type of Spanning-Tree Protocol.
The PA-12E/2FE port adapter supports DEC and IEEE Spanning-Tree
Protocols; however, we recommend using the IEEE protocol when
configuring bridge groups.
Step 2
interface fastethernet slot/port
(ports 0 and 1)
interface ethernet slot/port
(ports 2 through 13)
Enters the interface you want to configure.
Step 3
bridge-group bridge-group
Assigns a bridge group to the interface.
Step 4
cut-through [receive | transmit]
(Optional) Configures the interface for cut-through switching technology.
The default is store-and-forward (that is, no cut-through).
Step 5
full-duplex
(Optional) Configures the transmission mode for full-duplex, if an attached
device does not support autosensing or autonegotiation. The default is
half-duplex.
Step 6
no shutdown
Restarts the interface.
Step 7
exit
Returns to configuration mode.
Step 8
Repeat Steps 1 through 7 for each interface.
Step 9
copy system:running-config
nvram:startup-config
Saves the new configuration to memory.
Command Purpose
Step 1
bridge irb
Enables integrated routing and bridging.
Step 2
interface bvi bridge-group
Enables a virtual interface on a bridge group.
Step 3
ip address address mask
Assigns an IP address and subnet mask to the bridge-group virtual
interface.
Step 4
no shutdown
Restarts the interface.
Step 5
exit
Returns to configuration mode.
Step 6
Repeat Steps 1 through 5 for each bridge group.
Step 7
bridge bridge-group route
protocol
Specifies the protocol for each bridge group.
Step 8
exit
Exits configuration mode.
Step 9
copy system:running-config
nvram:startup-config
Saves the new configuration to memory.
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