[j-nsp] Interconection of Logical Systems or Routing Instances

[Dave Curado]

Hi,
You could do this...

set logical-systems R1 interfaces lt-1/2/0 unit 1 encapsulation ethernet
set logical-systems R1 interfaces lt-1/2/0 unit 1 peer-unit 2
set logical-systems R1 interfaces lt-1/2/0 unit 1 family inet address 100.100.100.1/24

and then

set logical-systems R2 interfaces lt-1/2/0 unit 2 encapsulation ethernet
set logical-systems R2 interfaces lt-1/2/0 unit 2 peer-unit 1
set logical-systems R2 interfaces lt-1/2/0 unit 2 family inet address 100.100.100.2/24

the secret sauce is in that "peer-unit" statement, which connects to two logical interfaces
together.  You can set the encapsulation to a few different types, which is kind of fun.

Here is a pointer so some (older) documentation, it's what came up in a google search:
http://www.juniper.net/techpubs/software/junos/junos70/swconfig70-interfaces/html/interfaces-tunnel-config4.html

Disclaimer: I work for Juniper.

HTHs,
Dave


On Oct 20, 2010, at 10:36 AM, Giuliano Cardozo Medalha wrote:

> People,
> 
> We have a M7i with built in Tunnel interface - 800 Mbps.
> 
> We need to create a logical interface to interconnect the default logical system and a created one ... called R1.
> 
> Router# set logical-systems R1
> 
> We need to establish a BGP connection between the two logical systems using the logical interface.
> 
> What is the best solution ?
> 
> Use gr-1/2/0 interface
> 
> or
> 
> Use lt-1/2/0 interface ?
> 
> When we try to use lt-1/2/0 ... the ip address does not appear in table inet.0 (stays with protocol down status)
> 
> Can someone help me with this configuration ?  Is it possible ?
> 
> Thanks a lot,
> 
> Giuliano
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