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Configuring a PPP or PPPoE Dynamic Interface
atm pvc
Copyright © 2010, Juniper Networks, Inc.
You can specify either or both ppp and pppoe for the interface by specifying the
auto-configure command for each type of interface. The first packet received defines
the type of dynamic interface that is created.
To configure an ATM 1483 subinterface to support a PPP or PPPoE dynamic interface:
Configure a physical interface.
1.
host1(config)#interface atm 5/0
Configure an ATM 1483 subinterface.
2.
host1(config-if)#interface atm 5/0.1
Configure a PVC by specifying the virtual circuit descriptor (VCD), the virtual path
3.
identifier (VPI), the virtual channel identifier (VCI), and the encapsulation type.
If you want the router to autodetect the encapsulation type, use the aal5autoconfig
option.
host1(config-subif)#atm pvc 10 100 22 aal5snap
host1(config-subif)#atm pvc 10 100 22 aal5autoconfig
Assign a profile to the PPP or PPPoE encapsulation types.
4.
host1(config-subif)#profile ppp foo
host1(config-subif)#profile pppoe foo
Configure the subinterface to detect and accept dynamic PPP or PPPoE.
5.
host1(config-subif)#auto-configure ppp
host1(config-subif)#auto-configure pppoe
In addition to ppp and pppoe, you can also specify ip or bridgedEthernet.
(Optional) Verify your configuration.
6.
host1#show atm subinterface atm 5/0.1
Use to configure a PVC on an ATM interface. Specify one of the following encapsulation
types:
aal5autoconfig—Enables autodetection of the 1483 encapsulation (LLC/SNAP or
VC multiplexed).
aal5snap—Specifies a logical link control (LLC) encapsulated circuit; the
LLC/Subnetwork Access Protocol (LLC/SNAP) header precedes the protocol
datagram.
aal5mux ip—Specifies a VC multiplexed circuit. This option is used for IP only.
Example
host1(config-subif)#atm pvc 6 0 11 aal5autoconfig
Use the no version to remove the specified PVC.
See atm pvc.
Chapter 17: Configuring Dynamic Interfaces
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