Re: ISIS is-type vs circuit type

From: Patrick Torney (ptorney@satx.rr.com)
Date: Thu Aug 19 2004 - 20:42:28 GMT-3


from the doc cd...

Normally, this command [circuit-type] need not be configured. The proper way
is to configure a router as a Level 1-only, Level 1-2, or Level 2-only
system. Only on routers that are between areas (Level 1-2 routers) should
you configure some interfaces to be Level 2-only to prevent wasting
bandwidth by sending out unused Level 1 hello packets. Note that on
point-to-point interfaces, the Level 1 and Level 2 hellos are in the same
packet.

----- Original Message -----
From: "mani poopal" <mani_ccie@yahoo.com>
To: <ccielab@groupstudy.com>
Sent: Thursday, August 19, 2004 6:15 PM
Subject: ISIS is-type vs circuit type

> Hi Group.
>
> ISIS router default type is L1/L2 and when you make spoke router as L1
router. It installs a default route by looking at ATT bit. If you want you
can do L2 to L1 route leaking by configuring on the border router. Guys my
quesion is what is the different between is-type level-2 command and
circuit-type level-2 command.
>
> Thanks in advance for the replies
>
> Mani
>
>
> B.ENG,A+,CCNA,CCNP,CCNP-VOICE, CSS1,CNA,MCSE
> (416)431 9929
> MANI_CCIE@YAHOO.COM
>
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