[nsp] PPPoE and NAT on the LNS

Krzysztof Adamski k at adamski.org
Thu Sep 18 00:57:20 EDT 2003


I originally had the unnumber the vtemplate to the loopback, but still no
go.

K

On Wed, 17 Sep 2003, Dennis Peng wrote:

> NAT on the LNS *should* work. I notice you have an ip address
> configured directly on the vtemplate. Could you put this IP address on
> a loopback interface and unnumber the vtemplate to the loopback?
> That's normally how it is configured. If it still doesn't work, you
> may want to open up a case with TAC to have someone take a look.
>
> Dennis
>
> Krzysztof Adamski [k at adamski.org] wrote:
> > Is it possible to NAT users that come to an LNS through PPPoE.
> > My virtual template contains nat inside:
> > interface Virtual-Template1
> >  mtu 1492
> >  ip address 10.253.254.1 255.255.255.0
> >  ip nat inside
> >  peer default ip address pool CMLPOOL
> >
> > and #sh ip nat statistics
> > Total active translations: 15 (12 static, 0 dynamic; 10 extended)
> > Outside interfaces:
> >   Ethernet0
> > Inside interfaces:
> >   Loopback0, Virtual-Access1, Virtual-Access2, Virtual-Access3
> >   Virtual-Access4, Virtual-Template1
> > Hits: 28  Misses: 0
> > Expired translations: 0
> > Dynamic mappings:
> > -- Inside Source
> > [Id: 1] route-map NONAT interface Ethernet0 refcount 0
> >
> > and here are the bits from the NAT config:
> > ip nat inside source route-map NONAT interface Ethernet0 overload
> > access-list 131 deny   ip 10.0.0.0 0.0.0.255 10.0.0.0 0.0.0.255
> > access-list 131 permit ip 10.0.0.0 0.0.0.255 any
> > route-map NONAT permit 10
> >  match ip address 131
> >
> > NAT is not working, debugging NAT shows nothing, is this even possible?
> > I'm running Version 12.2(17a)
> >
> > TIA
> > K
> >
> > _______________________________________________
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>



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