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Highlighted
Beginner

PPPoE Server is not routing properly.

I have recently configured an ISR 4321 to act as a PPPoE server.  I have moved the configuration wholesale over from my old 1941 router.  Clients now are able to authenticate and get a PPPoE address, but are unable to reach the gateway, or indeed, anywhere else.

 

It strikes me there is probably something missing, but I can't figure it out.

 

Here's the configuration I have:

 

 

bba-group pppoe global
virtual-template 1
!
interface Loopback1
ip address 10.64.249.1 255.255.255.0
!
interface GigabitEthernet0/0/0.2009
description pppoe interface
encapsulation dot1Q 2009
pppoe enable group global
!
interface Virtual-Template1
description pppoe interface
mtu 1492
ip unnumbered Loopback1
peer default ip address pool PPPnet
keepalive 300
ppp authentication pap chap
ppp ipcp dns 10.64.1.2
!
ip local pool PPPnet 10.64.249.101 10.64.249.199
!

 

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3 REPLIES 3
Highlighted
VIP Mentor

Re: PPPoE Server is not routing properly.

Hello


@netopia wrote:

 Clients now are able to authenticate and get a PPPoE address, but are unable to reach the gateway, or indeed, anywhere else.


From ppoe client does it have a default route?

sh ip route 

 

If not either apply a static default route or enable an ipcp default to the client dallier interface

conf t
ip route 0.0.0.0 0.0.0.0 dialer x

or

int dialer x
ppp ipcp route default   <--restart interface after applying



kind regards
Paul

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Highlighted
Beginner

Re: PPPoE Server is not routing properly.

I've got a default route on my client (it's not a cisco product), so it's not the route for the client.

Highlighted
Cisco Employee

Re: PPPoE Server is not routing properly.

I have handled one issue, license appxk9 is necessary at ISR4k for PPPoE, ipbasek9 is not enough.

---------------------------------------

https://www.cisco.com/c/en/us/support/docs/dial-access/virtual-private-dialup-network-vpdn/118442-config-isr4000-00.html

 

Restriction - appxk9 must be active on the ISR4000 router. Without this license, the route will get installed towards the client at the end of PPP negotiation, but Layer 3 connectivity between the client and the server will not be established.

---------------------------------------

Please kindly try "license boot level appxk9" .