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client-initiated L2TP tunnel over L2TP tunnel

 
 
davidls davidls is offline
Junior Member
Join Date: Mar 2009
Posts: 1
 
      03-31-2009
Hi, everybody.

I'm working for an ISP and we are trying to set up a client-initiated L2TP tunnel over another client-initiated L2TP tunnel (with one Virtual-PPP interface over another) but it doesnīt work, topmost L2TP tunnel doesnīt come up.

We are trying to do this to simulate a client-initiated L2TP tunnel (with a Virtual-PPP) over a L2TP ADSL (with a Dialer), since we donīt have at the moment a L2TP ADSL to test with.

Has anyone of you been able to make such a thing? Do you know if it is possible? I have been doing some researching in google, but I havenīt found anything like this.

I post the config I'm using for the CPE (i.e. the LAC) and "show int desc".

Thanks in advance

David

! CPE

l2tp-class l2tpclass1
hostname host_iblan
receive-window 256
!
l2tp-class l2tpclass2
hostname host_iblan
!

vpdn enable
!

pseudowire-class pwclass1
encapsulation l2tpv2
protocol l2tpv2 l2tpclass1
ip local interface FastEthernet0.550
!
pseudowire-class pwclass2
encapsulation l2tpv2
protocol l2tpv2 l2tpclass2
ip local interface Virtual-PPP1
!

interface FastEthernet0.550
encapsulation dot1Q 550
ip address 10.0.0.2 255.255.255.240
!

interface Virtual-PPP1
ip vrf forwarding Datos
ip address 10.16.16.1 255.255.255.252
ip tcp adjust-mss 1420
no cdp enable
ppp chap hostname pruebaras@pruebaras
ppp chap password 7 0014011301590A140E32
pseudowire 1.1.1.1 1 pw-class pwclass1
!
interface Virtual-PPP2
ip vrf forwarding Datos
ip address negotiated
ip tcp adjust-mss 1300
no cdp enable
ppp chap hostname pdatos@testmayorista
ppp chap password 7 131513131F0317
pseudowire 1.1.1.1 2 pw-class pwclass2
!


pruebasGRE-L2TP-e4#sh int desc
Interface Status Protocol Description
Fa0 up up
Fa0.550 up up
BR0 admin down down
BR0:1 admin down down
BR0:2 admin down down
Fa1 up down
Fa2 up down
Fa3 up down
Fa4 up down
Fa5 down down
Fa6 up down
Fa7 up down
Fa8 up down
AT0 admin down down
Vl1 up down
Vp1 up up
Vl2 up down
Vp2 up down
pruebasGRE-L2TP-e4#
 
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