From: Plukkie (plukkie@gmail.com)
Date: Mon Aug 28 2006 - 15:01:03 ART
If you scroll down on your link, you see this:
! increase router preference from 100 to 50
ip irdp preference 50
They say, increase router preference, while the number goes down.
So, looks like it's still little strange.
gr
On 8/28/06, sabrina pittarel <sabri_esame@yahoo.com> wrote:
>
> Accondig to Cisco documentation an higher number is preferred.
>
>
> http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fipras_r/1rfipadr.htm#wp1018753
>
>
> (Optional) Preference value. The allowed range is -231 to 231. The default
> is 0. A higher value increases the preference level of the router. You can
> modify a particular router so that it will be the preferred router to which
> other routers will home.
>
> Maybe they fixed it.
>
> Sabrina
>
> ----- Original Message ----
> From: Sean C <Upp_and_Upp@hotmail.com>
> To: sabrina pittarel <sabri_esame@yahoo.com>
> Cc: ccielab@groupstudy.com
> Sent: Monday, August 28, 2006 5:55:54 AM
> Subject: Re: IRDP
>
> Hi Sabrina,
>
> To follow up on Dave's post - check out some stuff I wrote on this before:
> http://www.groupstudy.com/archives/ccielab/200411/msg00047.html
>
> But watchout, as Dave mentioned in a separate email, for the router I used
> as a client, the irdp preference was flipped.
> Sean
> ----- Original Message -----
> From: "Schulz, Dave" <DSchulz@dpsciences.com>
> To: "sabrina pittarel" <sabri_esame@yahoo.com>
> Cc: <ccielab@groupstudy.com>
> Sent: Sunday, August 27, 2006 11:43 PM
> Subject: RE: IRDP
>
>
> > That would be the way to do that, by specifying the irdp on both
> > redundant interfaces and using the preference to add priority. It works
> > great. Lab it up with a router set up as a client (no ip routing).
> > Don't forget to specify "ip gdp irdp" on this router/ws. HTH.
> >
> >
> > Dave Schulz,
> > Email: dschulz@dpsciences.com
> >
> >
> >
> > -----Original Message-----
> > From: sabrina pittarel [mailto:sabri_esame@yahoo.com]
> > Sent: Sunday, August 27, 2006 11:23 PM
> > To: Schulz, Dave
> > Subject: Re: IRDP
> >
> > Oh,
> > I didn't pay attention you can even specify an IP address...that's cool
> > so that you can easily support a mixed environment with hosts that have
> > their default gateway statically assigned, and hence require
> > HSRP/VRRP/GLBP for redundancy, and hosts that can learn it dynamically.
> > I'm assuming in this case the advertised address should be the virtual
> > address on both routers.
> >
> > Unfortunately I see there is no way to bind the generation of RDP
> > messages with the HSRP/VRRP state. That would have been even cooler, so
> > that only the Active router would have generated these messages, as it
> > is hosts receive these periodic messages twice (one from each router).
> > I wonder if that can create an issue since the host may receive another
> > advertisement before the minadvertinterval has elapsed (it'll receive it
> > from the other router but I won't be able to realize that).
> >
> > Sabrina
> >
> >
> >
> > ----- Original Message ----
> > From: "Schulz, Dave" <DSchulz@dpsciences.com>
> > To: sabrina pittarel <sabri_esame@yahoo.com>
> > Cc: ccielab@groupstudy.com
> > Sent: Sunday, August 27, 2006 6:12:22 PM
> > Subject: RE: IRDP
> >
> > Sabrina -
> >
> > That should be enough to configure it. However, it is probably best to
> > change the max and min advertisement interval so you can get the
> > advertisement to send out quicker than the default which is fairly long.
> > One other point, you probably want to advertise a preference....an
> > interface preference for your router, or, and ip address (if running
> > HSRP/VRRP/GLBP)....
> >
> > - ip irdp preference <preference number>
> > - ip irdp ip address x.x.x.x <preference number>
> >
> > According to the documentation, the lower number is more preferred.
> > However, when using this with some IOS routers....this is reversed for
> > some odd reason.
> >
> > HTH,
> >
> >
> > Dave Schulz,
> > Email: dschulz@dpsciences.com
> >
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > sabrina pittarel
> > Sent: Sunday, August 27, 2006 6:31 PM
> > To: ccielab@groupstudy.com
> > Subject: IRDP
> >
> > Hi,
> > I'm trying to learn how to configure IRDP.
> > According to Cisco documentation I only need to cfg :
> >
> > ip irdp
> >
> > in interface cfg mode.
> > Is that enough? Do I need to configure any of the following?
> >
> > holdtime how long a receiver should believe the information
> > maxadvertinterval maximum time between advertisements
> > minadvertinterval minimum time between advertisements
> >
> > Sabrina
> >
> > _______________________________________________________________________
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> >
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