Configuring ISG Access for PPP Sessions
Configuration Examples for ISG Access for PPP Sessions
11
1 service-policy type service ispc
Define a control policy rule that results in session disconnection for subscribers that match service
“ispd”.
class type control ISPD event session-start
service disconnect
Define a control policy rule that defines the default for all other domains, which is to activate a service
having the same name as the specified domain.
class type control always event session-start
service-policy type service identifier unauthenticated-domain
Configure the service policy maps.
policy-map type service xconnect
service vpdn group 1
policy-map type service ispa
service local
ip vrf forwarding red
policy-map type service ispb
service vpdn group 2
policy-map type service ispc
service vpdn group 3
Apply the control policy map globally.
service-policy type control L2_ACCESS
VRF Transfer for PPP Sessions Using IPCP Renegotiation: Example
The following example shows a configuration that uses PPPoE to establish a session, and the RADIUS
service profile that is created to associate the VRF. In this example, when a PPP session initially comes
up, it belongs to the default routing table, and the IP address is assigned from the default IP address pool
“DEF-POOL”. When the subscriber selects the “ISP-RED” service, ISG downloads the “ISP-RED”
service profile and applies it to the session. The PPP session is then transferred to VRF “RED”. IPCP
renegotiation occurs between the client device and the ISG device, and the subscriber is assigned a new
IP address from the pool “POOL-RED”.
ip vrf RED
rd 1:1
interface Loopback0
ip address 10.0.0.1 255.255.255.0
interface Loopback1
ip address 20.0.0.1 255.255.255.0
ip vrf forwarding RED
!
interface GigabitEthernet0/0/0
pppoe enable
interface Virtual-Template1
ip unnumbered Loopback0
service-policy control RULE2
peer default ip address pool DEF-POOL
ppp authentication chap
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