[j-nsp] ISIS query

[Doug Marschke]

The 02-00 is an LSP that represents the psuedonode  (routers attached to the
LAN segment.) If you do  detail on this LSP you will see  a listing of
neighbors.

Merlot is the DIS on that segment as only the DIS will send out that LSP.

TLV 137 is simply a TLV that carries the hostname of the router.

Doug

-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net
[mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of Arpit Mittal
(GR/EIL)
Sent: Thursday, April 06, 2006 8:58 PM
To: juniper-nsp at puck.nether.net
Subject: [j-nsp] ISIS query

Hi,

In ISIS database examples I can see

user at Shiraz> show isis database
IS-IS level 1 link-state database:
0 LSPs
IS-IS level 2 link-state database:
LSP ID Sequence Checksum Lifetime Attributes
Riesling.00-00 0x178 0x8a3c 605 L1 L2
Merlot.00-00 0x18a 0xad79 734 L1 L2
Merlot.02-00 0x2 0xd723 734 L1 L2
Shiraz.00-00 0x179 0xb075 1196 L1 L2
Chardonnay.00-00 0x168 0x22a0 717 L1 L2
5 LSPs

I am quite not able to get why Merlot has got suffixes 00-00 and 02-00.

Seeing other nodes its fine that 00-00 comes then what is 02-00 for.

I do know this is done by "Dynamic Host Name TLV (Type Code 137)".

As I do not have an IS-IS running network so its difficult for me to get
this detail, it will be great if someone can comment on it.


Also it will be great if someone can send me some real-time outputs (of
database, adjacency & interface for L1 & L2 both) in normal and detailed
mode for better understanding.


Any info would be great.

Thanks & Regards,
Arpit Mittal 

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