Chapter 10 Bridge Configuration
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Note: ATM real interfaces do not support bridge. The bridge
enable attribute is available only in ATM virtual interfaces.
But the VLAN sub interface of the ATM virtual interface is a
bridge interface once it is created. The attributes ip
forwarding-mode and atm pvc are available only in ATM
virtual interfaces. And this attribute of the VLAN sub
interface of the ATM virtual interface is the same as that of
the parent interface.
5. To encapsulate vlan id, use encapsulation dot1Q command
in vlan sub interface configuration mode, as shown in
Table
191.
TABLE 191 ENCAPSULATOPN DOT1Q COMMAND
Command
Format
Command
Mode
Command Function
atm pvc interface config
This encapsulates vlan id
Result: This encapsulates vlan id.
6. To configure the IP address of the interface, use ip address
command in interface configuration mode, as shown in
Table
192.
TABLE 192 IP ADDRESS COMMAND
Command
Format
Command
Mode
Command Function
ip address interface config
This configures the IP address
of the interface
Result: This configures the IP address of the interface.
7. To configure the V_Switch forwarding table, use vlan-
forwarding ingress command in interface configuration
mode, as shown in
Table 193.
TABLE 193 VLAN-FORWARING INGRESS COMMAND
Command
Format
Command
Mode
Command Function
vlan-
forwarding
ingress
interface config
This configures the V_Switch
forwarding table
Result: This configures the V_Switch forwarding table.
E
ND OF STEPS
Example:
As shown in
Figure 79, R1 is connected with R2 through the ATM
interface. R2 is connected with R3 through the 100M interface.
In the networking, R2 must be a transparent transmission device,
and R1 and the VLAN sub interface of the ATM virtual interface
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