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Cisco CCP Easy VPN Interface ?

I am setting up a vpn via CCP 'New skin On SDM'  by the looks of it.  I am 1 out of 100 on Cisco thats way i am using CCP.

The question is relating to the interface i have the options of

Unnumbered to the Dialer

Unnumbered to the Vlan

Or Unnumbered to a new loop back, 'The On Screen Prompts' seem to say this is the best option

When and try a create the loopback interface I get a error 127.0.0.1 255.255.255.0 Please enter a valid IP/Sub Net ?

What is the best.correct interface to use ?,

When I sort some other issues with DHCP and the Firewall we will have 2 x wan interfaces, do i need to alter the config to caccomodate this now.

Also is this loop back unterface inside or outside for the purpose of running the firewall wiz
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xrmichael
Asked:
xrmichael
1 Solution
 
Istvan KalmarCommented:
Hi,

you not need loopback interface for Easy VPN.... could you show us the whole config?
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mr_dirtCommented:
I prefer using unnumbered to the VLAN.  A LAN interface has to be alive for the tunnel to work right, but that shouldn't be a problem (the tunnel won't be of much value if there's no LAN connected to the router).  If you decide to use a loopback, you'll need to use something other than the "expected" loopback address of 127.0.0.1. IOS loopback interfaces typically use an address from your addressing schema, and offer a virtual interface to connect services to that never go down (unless administratively down).
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xrmichaelAuthor Commented:
Thanks for the info.
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