Subject: Query on MPLS

From: Ashwini Gupte <[email-masked]>
Date: Tue, 12 Sep 2000 20:47:05 -0700 (PDT)

Hello Vijay,

I am developing diagnostic software to test the edge
router. I am goimg to use MPLS in OSPF environment.  I
have following doubts about it. Could you please help
me in this regard ?

1. When we use LDP with OSPF, are there any changes to
be done in OPSF packet formats ? What does it mean by
piggybacking the label in routing protocol ? Does this
mean that labels are added in form of TLV in OSPF LSAs
?

2. How do we establish LDP sessions between LSRs in
the above case ? Do we establish OSPF environment
separately and then establish LDP sessions ? 

Hoping to hear from you.

Thanks and regards,
Ashwini

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