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9-4
Cisco 10000 Series Router Software Configuration Guide
OL-2226-23
Chapter 9 Configuring Multihop
Required Configuration Tasks for Multihop
Terminating the Tunnel from the LAC
To terminate the tunnel from the LAC, enter the following commands beginning in global configuration
mode:
Mapping the Ingress Tunnel Name to an LNS
To map the ingress tunnel name to an LNS, enter the following commands beginning in global
configuration mode:
Command Purpose
Step 1
Router(config)# username remote-hostname
password secret
Configures the secret (password) for the remote LAC. The
secret must match the secret configured on the LAC and can
consist of any string of up to 11 ASCII characters.
Step 2
Router(config)# username local-name password
secret
Configures the secret (password) for the local device. The
secret must match the secret configured in step 1.
Step 3
Router(config)# vpdn-group number
Selects the VPDN group.
Step 4
Router(config-vpdn)# accept-dialin
Accepts tunneled PPP connections from the LAC and
creates an accept-dialin virtual private dialup network
(VPDN) subgroup.
Step 5
Router(config-vpdn-acc-in)# protocol l2tp
Specifies the Layer 2 Tunnel Protocol (L2TP) that the
VPDN subgroup will use.
Step 6
Router(config-vpdn-acc-in)# virtual-template
number
Specifies the virtual template interface to use to clone the
new virtual access interface.
Step 7
Router(config-vpdn-acc-in)# exit
Returns to VPDN group mode.
Step 8
Router(config-vpdn)# terminate-from hostname
remote-hostname
Specifies the host name of the remote LAC that is required
when accepting a VPDN tunnel. The remote-hostname must
match the remote-hostname configured in Step 1.
Step 9
Router(config-vpdn)# local name local-name
Specifies the local host name that the tunnel will use to
identify itself. The local-name must match the local-name
configured in Step 2.
Command Purpose
Step 1
Router(config)# username username
password secret
Configures the secret (password) for the LNS. The username must
match the LNS hostname or tunnel ID. The secret must match the
secret configured on the LNS.
Step 2
Router(config)# username
egress-tunnel-name password secret
Configures the secret (password) for the tunnel. The
egress-tunnel-name specifies the remote (LNS) host name of the
tunnel. The secret must match the secret configured in Step 1.
Step 3
Router(config)# vpdn-group number
Selects the VPDN group and enters VPDN configuration mode.
Step 4
Router(config-vpdn)# request-dialin
Enables the Cisco 10000 router to request L2TP tunnels to the
LNS and enters VPDN request-dialin subgroup mode.
Step 5
Router(config-vpdn-req-in)# protocol l2tp
Specifies the Layer 2 Tunnel Protocol (L2TP) that the VPDN
subgroup will use.