Re: [mpls-linux-general] Help : mpls routing examples/pointers

[James R. L. <jl...@mi...>]

You need to use the 'bind' syntax of mplsadm2:

[jleu jleu-laptop 10:21pm] ~-> mplsadm2 -A -O 0
Key: 0x00000002
Out Segment add: Success
[jleu jleu-laptop 10:21pm] ~-> mplsadm2 -O 0x2 -o push:gen:10000:set:eth0:ipv4:192.168.1.1
Out Instr: Success
[jleu jleu-laptop 10:21pm] ~-> mplsadm2 -L eth1:0
Label Space: Success
[jleu jleu-laptop 10:22pm] ~-> mplsadm2 -A -I gen:11000:0
In Label add: Success
[jleu jleu-laptop 10:22pm] ~-> mplsadm2 -B -I gen:11000:0 -O 0x2
Bind In2Out add: Success
[jleu jleu-laptop 10:22pm] ~-> more /proc/net/mpls_in
0x02af8001 0/0/0 gen 11000 0 1 POP FWD(0x00000002)
[jleu jleu-laptop 10:23pm] ~-> more /proc/net/mpls_out
0x00000002 0/0/0 2 PUSH(gen 10000) SET(eth0,192.168.1.1)
[jleu jleu-laptop 10:24pm]

On Thu, Apr 24, 2003 at 04:25:06PM -0600, Murthy S. Andukuri wrote:
> 
> I am trying to come up with various LSPs between machines 
> A(LER),B(LSR),C(LSR), D(LER) in my lab. i.e. 
> A-D, A-B-D, A-C-D,A-B-C-D,A-C-B-D etc.
> I have looked through the examples in mpls-linux-1.1/utils/README and
> some other  docs on the web, but still cannot figure out how to setup the 
> commands. 
> 
> My problem is, on an LSR , How to associate a different outgoing 
> label with each incoming label ? i.e. if machine C receives packets with 
> label 'LA' from A and 'LB' from B, how to replace 'LA' with 'LA2'(say) and 
> 'LB' with 'LB2'(say) on their way out to D. (None of the examples i 
> came across, as I understand them, seem to address this particular issue)
> 
> some background : I have successfully setup an LSP between two machines
> using mplsadm. However, all that happens here is that a label is 'push'ed 
> on one machine and is 'pop'ped on the other. there is no 'swapping' of 
> labels. now, I am trying to extend this into a 4-machine network with 
> various paths as mentioned above. 
> 
> any examples/help will be greatly appreciated.
> 
> Thanks in advance
> Murthy Andukuri
> 
> 
> 
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-- 
James R. Leu