L2tpv3 on SVI Interface

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Feb 8th, 2010
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Hi all,


I have a 1803 with an H-WIC 8-port switch module. I'd like to configure L2tpv3 on one of this switched port using SVI interface: is l2tpv3 supported on the SVI? Starting from wich IOS?


I've read that on cisco 870 series the L2tpv3 is supported on svi interface starting from 12.4(20T): is the same for cisco ISR?


Many thanks in advance for your support


Gianluca

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paolo bevilacqua Mon, 02/08/2010 - 04:05
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Are you trying to bridge over the Internet? If so, why?

cannone78 Mon, 02/08/2010 - 06:06
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I've to bridge between 2 sites over wan since I need L2 connectivity between the 2 LAN.

paolo bevilacqua Mon, 02/08/2010 - 15:20
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Why?

What is that would not work with regular routing ?

cannone78 Wed, 02/10/2010 - 03:07
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Hi,


sorry for the dealy.


I need L2 connectivity between the 2 sites since I have a wireless solution where the client connected to AP needs to have L2 connectivity towards thier GW installed in another site.

Anyway I've configured a tunnel L2tpv3 between a cisco 1803 and a cisco 877: It seem works..I can see the tunnel esablished, I can ckt sent/received over the new connection, I can see the remote mac-address, but when I try to ping it doesn't work.

I'm troulbeshooting the problem....


Thanks for your support


Gianluca

paolo bevilacqua Wed, 02/10/2010 - 05:39
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I need L2 connectivity between the 2 sites since I have a wireless solution where the client connected to AP needs to have L2 connectivity towards thier GW installed in another site.


So put a router where the AP is, end of troubles.

cannone78 Wed, 02/10/2010 - 06:43
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Is just this my problem: I've a router in each site where there is an AP and in the central site where there is the GW!!!!         

But I need L2 connectivity between AP and GW--> L2tpv3..


Trouble continue...

paolo bevilacqua Wed, 02/10/2010 - 06:51
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What do you have, bluesocket or other captive portal ?

None of these require L2 between portal and APs.

Giuseppe Larosa Mon, 02/08/2010 - 05:24
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Hello Gianluca,

I would expect L2TPv3 supported only on standard "router" interfaces on an ISR router.


Even if it is do, you can easily get what you want to achieve with a lan cable connecting a "router" interface to an etherswitch module port.


see


http://www.cisco.com/en/US/docs/ios/12_3t/12_3t2/feature/guide/gtl2tpv3.html#wp1046175


the case of 8xx router is different because I think they have only that kind of L3 interfaces (the SVI)


Hope to help

Giuseppe

cannone78 Mon, 02/08/2010 - 06:08
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ok many thanks.


I'm reading your link.


Any way on ISR on SVI interface the 'xconnect' command seems to be supported (12.4(15T10)): I'll try to configure it..to verify what figure out.


Gianluca

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