05-01-2003 06:39 PM - edited 03-02-2019 07:03 AM
I ´m using a 7204 (12.2(15)T1) router for terminate PPPoE sessions, this is working fine. But i need to extend this ppp session through a L2TP tunnel from the same 7200 (LAC) until other router (LNS).
PPPoE Client-----7200(LAC)--------Router(LNS)
Is possible this solution ? If is affirmative which the configuration of the routers or any documentation about this ?
regards,
Carlos
05-01-2003 10:20 PM
Carlos, I believe you need "L2TP Multihop" feature. Please check out the following:
http://www.cisco.com/warp/customer/471/l2tp_multihop2.html
You could seach CCO for more on L2TP Multihop. Let me know if you meant something else.
~Zulfi
05-02-2003 10:47 AM
Absolutely..you can do that..Here is the link which discuss the same scenerio.
http://www.cisco.com/warp/public/794/pppoe_arch.html
Following config is tested and known to work for that scenerio,
PPPoE Client-----7200(LAC)--------Router(LNS)
On LAC 7200 terminating pvc 1/35
vpdn enable
vpdn search-order domain
!
vpdn-group 10
description to forward pppoe over l2tp to LNS
request-dialin
protocol l2tp
domain a@b.com
initiate-to ip 10.10.10.2 priority 1
no l2tp tunnel authentication
!
vpdn-group 4
accept-dialin
protocol pppoe
virtual-template 3
!
interface ATM4/0
no ip address
no atm ilmi-keepalive
pvc 1/35
protocol pppoe
!
interface Virtual-Template3
no ip address
ip mtu 1492
peer default ip address pool ADSL
ppp authentication pap
!
ip local pool ADSL x.x.x.x y.y.y.y
On LNS
vpdn-group 4
accept-dialin
protocol l2tp
virtual-template 1
terminate-from hostname c7200
lcp renegotiation on-mismatch
no l2tp tunnel authentication
!
interface Virtual-Template1
ip unnumbered FastEthernet0/1
peer default ip address pool ADSL
ppp authentication pap
!
ip local pool ADSL a.a.a.a y.y.y.y
05-02-2003 10:54 AM
Hi,
thanks for your help, this configuration is working fine, the other router was a Shasta and was necessary add l2tp tunnel authentication in boths ends.
A last question, Is possible leave the l2tp tunnel static (always on) ?
Carlos
05-02-2003 03:54 PM
I don't think so that you can have always on l2tp tunnel without users in it. Any special reason why you need it?
05-05-2003 12:34 PM
The customer needs to know if the tunnel can is always on, because the Shasta has the option static on the tunnel configuration.
05-05-2003 12:47 PM
We have this hidden command "l2tp tunnel nosession-timeout
~Zulfi
05-07-2003 03:06 PM
Hi,
Finally the command is "l2tp tunnel timeout no-session never" and must is on both end (LAC and LNS).
thanks for yous help.
Carlos
05-07-2003 03:25 PM
Needs to be on both ends since if the router is configured as a LAC, the default is 15 seconds. If the router is configured as an LNS, the default is 10 seconds.
Thanks, Mak.
05-12-2003 08:11 AM
Hi,
yes was neccesary apply this command in boths end. The implementation is working fine.
thanks,
Carlos
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