Cisco ATM Cable Interface Processor ACIP-SM(=) Manuel d'installation et de configuration - Page 24

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Cisco ATM Cable Interface Processor ACIP-SM(=) Manuel d'installation et de configuration

Conﬁguring the ACIP

To create a bridge-group virtual interface, perform the following tasks in interface conﬁguration

mode:

Task

Step 1

Step 2

Step 3

Step 4

Note

Transparent Bridging" chapter of the Bridging and IBM Network Conﬁguration Guide.

Conﬁgure Protocols for Routing or Bridging

When integrated routing and bridging is enabled, the default route/bridge behavior in a bridge group

is to bridge all packets.

You can then explicitly conﬁgure the bridge group to route a particular protocol, so that routable

packets of this protocol are routed, while non-routable packets of this protocol or packets for

protocols for which the bridge group is not explicitly conﬁgured to route will be bridged.

To conﬁgure speciﬁc protocols to be routed in a bridge group, perform the following task in global

conﬁguration mode:

Task

Specify the IP protocol to be routed in a bridge group.

When you intend to bridge and route a given protocol in the same bridge group, you must conﬁgure

the network-layer attributes of the protocol on the bridge-group virtual interface. Do not conﬁgure

protocol attributes on the bridged interfaces. No bridging attributes can be conﬁgured on the

bridge-group virtual interface.

Although it is generally the case that all bridged segments belonging to a bridge group are

represented as a single segment or network to the routing protocol, there are situations where several

individual networks coexist within the same bridged segment. To make it possible for the routed

domain to learn about the other networks behind the bridge-group virtual interface, conﬁgure a

secondary address on the bridge-group virtual interface to add the corresponding network to the

routing process.

Note

"Conﬁguring Transparent Bridging" chapter of the Bridging and IBM Network Conﬁguration

Guide.

24 ATM Cable Interface Processor (ACIP) Installation and Conﬁguration

Enable a bridge-group virtual interface.

Specify the IP address for the interface.

Disable the sending of redirect messages.

Optionally, enable fast-switching on the

interface.

For more information on bridge-group virtual interfaces, refer to the "Conﬁguring

For more information on the protocols to be routed in a bridge group, refer to the

Command

interface bvi bridge-group

ip address ip-address mask

no ip redirects

ip route-cache same-interface

Command

bridge bridge-group route ip