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23-3
Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
OL-16506-17
Chapter 23 PPP Half-Bridge on the Cisco ASR 1000 Series Routers
Configuration Examples for PPP Half-Bridge
In the reverse direction, PPP half-bridge extracts the Ethernet packets encapsulated in PPP frames that
are received from PPP full-bridge device. The PPP half-bridge converts them to IP packets, and routes
them on the Internet.
PPP Half-Bridge Supported Features
PPP half-bridge supports the following interworking features:
• VRF aware PPP half bridge interface
• Multicast and VPN Multicast (IGMP V2 and V3) on the PPP half bridge interface
• Routing protocol on the PPP half bridge interface
• IPv4 on the PPP half bridge interface
• ACL on the PPP half bridge interface
• QOS on the PPP half bridge interface
• PPP authentication on the half bridge interface
Configuration Examples for PPP Half-Bridge
Example: Configuring PPP Half-Bridge on the Cisco ASR 1000 Series Routers
The following example shows how to configure PPP Half-Bridge on ASR 1000 Series Routers:
interface Serial0/1/1:0
ip address 101.0.0.1 255.255.255.0
encapsulation ppp
ppp bridge ip
Example: Configuring PPP Full-Bridge on the Cisco 7206 Routers
The following example shows how to emulate the bridge device.
no ip routing
interface Serial5/1:0
no ip address
encapsulation ppp
bridge-group 1
interface GigabitEthernet0/2
bridge-group 1
Verifying PPP Half-Bridge
The commands outlined in this section can be used to verify the PPP half-bridge.