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Configuring Transparent Bridging
Transparent and SRT Bridging Configuration Examples
BC-77
Cisco IOS Bridging and IBM Networking Configuration Guide
encapsulation lapb multi
bridge-group 1
!
bridge 1 protocol ieee
Fast-Switched Transparent Bridging over ATM Example (Cisco 7000)
The following configuration example enables fast-switched transparent bridging over ATM:
interface atm 4/0
ip address 1.1.1.1 255.0.0.0
atm pvc 1 1 1 aal5snap
atm pvc 2 2 2 aal5snap
atm pvc 3 3 3 aal5snap
bridge-group 1
!
bridge 1 protocol dec
Transparent Bridging over DDR Examples
The following two examples differ only in the packets that cause calls to be placed. The first example
specifies by protocol (any bridge packet is permitted to cause a call to be made); the second example
allows a finer granularity by specifying the Ethernet type codes of bridge packets.
The first example configures the serial 1 interface for DDR bridging. Any bridge packet is permitted to
cause a call to be placed.
no ip routing
!
interface Serial1
no ip address
encapsulation ppp
dialer in-band
dialer enable-timeout 3
dialer map bridge name urk broadcast 8985
dialer hold-queue 10
dialer-group 1
ppp authentication chap
bridge-group 1
pulse-time 1
!
dialer-list 1 protocol bridge permit
bridge 1 protocol ieee
bridge 1 hello 10
The second example also configures the serial 1 interface for DDR bridging. However, this example
includes an access-list command that specifies the Ethernet type codes that can cause calls to be placed
and a dialer list protocol list command that refers to the specified access list.
no ip routing
!
interface Serial1
no ip address
encapsulation ppp
dialer in-band
dialer enable-timeout 3
dialer map bridge name urk broadcast 8985
dialer hold-queue 10
dialer-group 1
ppp authentication chap