From: Jens Petter Eikeland (jenseike@start.no)
Date: Tue Apr 18 2006 - 09:53:10 GMT-3
There is allready a L2TP tunnel here from a modem that is connected to R1
and R2... They are already terminating on R100 wich are the LNS router...
But what if I used GRE tunnels from the R1 to R100 and from R100 to R2
JP
-----Original Message-----
From: Alexei Monastyrnyi [mailto:alexeim@orcsoftware.com]
Sent: 18. april 2006 14:47
To: Jens Petter Eikeland
Cc: 'Cisco certification'
Subject: Re: vlan tagging
this combination might help
L2TPv3
http://www.cisco.com/univercd/cc/td/doc/product/software/ios124/124cg/hwan_c
/hl2tpv3.htm#wp1042952
and
L2 tunneling across an SP switched network
http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/12225see/scg/swtun
nel.htm#wp1005050
haven't tried that myself though
A.
on 18/04/2006 14:33 Jens Petter Eikeland wrote:
> So since this is a ppp interface (virtual template) this will not be
posible
> to support?....
>
> Jens
>
> -----Original Message-----
> From: Alexei Monastyrnyi [mailto:alexeim@orcsoftware.com]
> Sent: 18. april 2006 14:23
> To: Jens Petter Eikeland
> Cc: 'Cisco certification'
> Subject: Re: vlan tagging
>
> since your PPP link is a new (and different from LAN type of) media, the
> whole L2 header/tail will have to be re-built and no VLAN tag will be
> passed through.
>
> A.
>
> on 18/04/2006 13:46 Jens Petter Eikeland wrote:
>
>> Hi group,
>>
>>
>>
>> I have a question regarding vlan tagging..This is the topology..
>>
>>
>>
>> SW1-R1------R100-----R2-SW2
>>
>>
>>
>> I need the vlan from behind sw 1 and sw 2 to be able to communicate. The
>> connection
>> between R1 to R100 and R2 to R100 is a ppp coming in on a virual
template.
>>
>>
>>
>>
>>
>> Since I am not able to configure dot1Q encap on this virtual interface,
>>
> will
>
>> this interface
>> then strip this vlan tagging on a packet on its way from SW1 to SW2???
>>
>>
>>
>> Can somebody please explain to me a little bit around this?
>>
>>
>>
>>
>>
>> Regards, Jens
>>
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