Re: ISIS Hello Interval

In Service Provider, you can find ISIS.

Thanks,
Srinivas

On Sat, Oct 9, 2010 at 12:07 PM, John Pelletier <
john.pelletier_at_altima-group.com> wrote:

> I don't see ISIS on the most recent R&S v4.0 blue print.
>
> --- On Fri, 10/8/10, srinivas pv <vsrinivas.paturi_at_gmail.com> wrote:
>
> From: srinivas pv <vsrinivas.paturi_at_gmail.com>
> Subject: Re: ISIS Hello Interval
> To: "Edward John" <edwardjohn2020_at_googlemail.com>
> Cc: "Cisco certification" <ccielab_at_groupstudy.com>, "Cisco certification"
> <cisco_at_groupstudy.com>
> Date: Friday, October 8, 2010, 3:34 AM
>
> Hi,
>
> hell-interval value (is-is hell-interval) is in seconds.
>
> Now why they need to configure 58, when to configure 19 sec as
> hello-interval?
>
> On DIS interfaces, only one third of the configured value is used. Please
> see 'Note' below
>
>
> http://www.cisco.com/en/US/docs/ios/iproute_isis/command/reference/irs_is1.ht
> ml#wp1013730
>
> So it may be DIS interface here. But still value of 57 is sufficient, not
> sure why 58.
>
> Thanks,
> Srinivas
>
> On Fri, Oct 8, 2010 at 1:13 AM, Edward John
> <edwardjohn2020_at_googlemail.com>wrote:
>
> > Dear Experts,
> >
> > What is the unit of Hello-interval value shown under the interface?
> > Seconds or a Numeric factor..
> >
> > While I am doing IEM vol-1 I found that to configure 19 sec as
> > hello-interval Solution Guide presents the config as "isis hello-interval
> > 58"
> >
> > In INE I am seeing that as just taken as seconds (vol2 - lab 4) . When
> > question asks to configure 5 sec hello-interval, SG presents as "isis
> > hello-interval 5".
> >
> >
> > Command reference says its seconds:
> > Setting the Advertised Hello Interval
> >
> > You can specify the length of time (in seconds) between hello packets
> that
> > the Cisco IOS software sends on the interface.
> >
> > To specify the length of time between hello packets for the specified
> > interface, use the following command in interface configuration mode:
> >
> > Command
> > Purpose
> >
> > Router(config-if)# *isis hello-interval* {seconds | *minimal*}*
> > *[*level-1*|
> > * level-2*]
> >
> > Specifies the length of time (in seconds) between hello packets the Cisco
> > IOS software sends on the specified interface.
> >
> >
> >
> >
>
> http://www.cisco.com/en/US/docs/ios/12_2/ip/configuration/guide/1cfisis.html#
> wp1001038
> >
> >
> > Which one is right?
> > --
> >
> > *Regards,*
> > *John*
> >
> >
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Received on Sat Oct 09 2010 - 14:34:53 ART