[j-nsp] Routing specific traffic on LSPs

[Khairul Alam]

Hi,

We have been doing the same thing with our customer circuits, l2circuits to
be specific, by writing a policy and exporting it to the forwarding table.
An example is below

set routing-options forwarding-table export l2circuit-no-LDP

set policy-options policy-statement l2circuit-no-LDP term 1 from protocol
l2circuit

set policy-options policy-statement l2circuit-no-LDP term 1 from community
Bright_DHK-Pirgacha

set policy-options policy-statement l2circuit-no-LDP term 1 then
install-nexthop strict

set policy-options policy-statement l2circuit-no-LDP term 1 then
install-nexthop lsp BRIGHT:DHK-PIRGACHA

set policy-options policy-statement l2circuit-no-LDP term 1 then accept

In this we installed a strict next-hop for the l2circuit, which is an LSP. I
believe same can be done in case of BGP in which you would have to say
''from protocol BGP'' and ''from routing-instance xxxx''. 

Hope this helps. :)


-----Original Message-----
From: juniper-nsp [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of
Saku Ytti
Sent: Wednesday, May 04, 2016 3:00 PM
To: Anand Anand
Cc: juniper-nsp at puck.nether.net
Subject: Re: [j-nsp] Routing specific traffic on LSPs

On 3 May 2016 at 17:37, Anand Anand <myemail.ananth at gmail.com> wrote:
> I want to route some of the (critical) cell sites of the 3G service 
> over the radio upon the fiber failure. All the 3G cell site traffic 
> are configured with the similar QoS markings. Prioritizing one Site 
> over the other maynot be possible unless we change the existing QoS
markings.

To me this seems obvious answer and reason whole QoS exists, to discriminate
what is more and what is less important. If you have unique logical
interface per cell site, then changing markings should be trivial.

--
  ++ytti
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