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5-9
Cisco 10000 Series Router Software Configuration Guide
OL-2226-23
Chapter 5 Configuring the Layer 2 Tunnel Protocol Access Concentrator and Network Server
Layer 2 Access Concentrator
Example 5-1 shows the static domain names net1.com and net2.com assigned to PVCs on an
ATM interface. All PPP sessions originating from PVC 30/33 are sent to the net1.com L2TP tunnel. All
PPP
sessions originating from PVC 30/34 are sent to the net2.com tunnel.
Example 5-1 Configuring a Static Domain Name on a Permanent Virtual Circuit
!
interface ATM 0/0/0.33 multipoint
atm pppatm passive
pvc 30/33
encapsulation aa15ciscoppp Virtual-Template1
vpn service net1.com
!
pvc 30/34
encapsulation aa15ciscoppp Virtual-Template1
vpn service net2.com
!
Command Purpose
Step 1
Router> enable
Enters privileged EXEC mode.
Step 2
Router# config terminal
Enters global configuration mode.
Step 3
Router(config)# interface atm
0/0/0[.subinterface-number] {multipoint |
point-to-point | tag-switching}
Specifies the ATM interface and optional subinterface.
Step 4
Router(config-subif)# atm pppatm passive
Places the sessions on the subinterface in passive (listening)
mode.
Step 5
Router(config-subif)# no ip directed-broadcast
Disables forwarding of directed broadcasts.
Step 6
Router(config-subif)# pvc [name] vpi/vci
Configures a PVC on the ATM interface or subinterface.
Step 7
Router(config-if-atm-vc)# encapsulation aal5mux
ppp Virtual-Template number
Configures the ATM adaptation layer (AAL) and
encapsulation type for an ATM PVC, SVC, VC class, or
VC
bundle.
mux ppp is for a MUX-type VC running IETF-compliant
PPP over ATM. You must use the Virtual-Template
number argument to identify the virtual template. The
mux
ppp keyword applies to ATM PVCs only.
Step 8
Router(config-if-atm-vc)# vpn service
domain-name
Configures the static domain name on the PVC.