[j-nsp] M120 lt (Logical Tunnel) interface

[Alex]

Hello Mauritz,
You need  a T-PIC on M120 to have lt-* interfaces:

Logical tunnel (lt-) interfaces provide quite different services depending 
on the host router:
On M Series and T Series routers, logical tunnel interfaces allow you to 
connect logical systems, virtual routers, or VPN instances. The router must 
be equipped with a Tunnel Services PIC or an Adaptive Services Module (only 
available on M7i routers).
http://www.juniper.net/techpubs/en_US/junos11.1/topics/usage-guidelines/services-configuring-logical-tunnel-interfaces.html

Having said that, I believe You can "emulate" lt-* interface unit pairs with 
sp-* interface unit pairs+"match input-output allow-all" Stateful Firewall 
rule to achieve same effect but I never tried that myself...

HTH
Rgds
Alex

----- Original Message ----- 
From: "Mauritz Lewies" <mauritz at three6five.com>
To: <juniper-nsp at puck.nether.net>
Sent: Sunday, June 05, 2011 4:18 PM
Subject: [j-nsp] M120 lt (Logical Tunnel) interface


> Hi
>
> Does anyone out there have lt- interfaces on a M120 Chassis with a MS-PIC.
>
> Been Googling for a while and there is conflicting info between users and 
> techpub docs.
> Users saying you need Tunnel/AS or MS-pic. Techpubs saying you need Tunnel 
> pic and that lt- is not supported on the MS-PIC...
>
> Any realworld users of lt- interfaces out there?
>
> Mauritz Lewies
> email: mo at three6five.com
> mobile: +27 83 647 4901
> Skype Phone:  +27 11 08 365 02
> three6five network solutions
> www.three6five.com
>
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