From: Brian McGahan (bmcgahan@internetworkexpert.com)
Date: Mon Mar 07 2005 - 19:14:34 GMT-3
Richard,
Just make sure you change it on all devices running OSPF so the
cost calculation is consistent.
Brian McGahan, CCIE #8593
bmcgahan@internetworkexpert.com
Internetwork Expert, Inc.
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Jongsoo.Kim@Intelsat.com
> Sent: Monday, March 07, 2005 4:05 PM
> To: richard.p.anderson@sbcglobal.net; ccielab@groupstudy.com
> Subject: RE: OSPF Reference Bandwidth
>
> I would change to 10000Mbps (10 GB), which I did on my junipers.
> So that you don't have to worry about for a while.
>
>
> -----Original Message-----
> From: Richard Anderson [mailto:richard.p.anderson@sbcglobal.net]
> Sent: Monday, 07 March, 2005 4:02 PM
> To: ccielab@groupstudy.com
> Subject: OSPF Reference Bandwidth
>
>
> Is it safe to use "AUTO-COST REFERENCE BANDWIDTH 4000"?
>
> I have a (2) WAN 6509 routers that interconnect three campuses running
(2)
> 6513 switch routers.
>
>
> The link between (2) 6509 routers is 4GB. (4) Physical fiber links
as
> EtherChannel.
>
> 6509s connect to Campus A 6513s and Campus B 6513s via 2GB link. (2)
> Physical Fiber links as EtherChannel respectively. Campus C is
connected
> to
> 650s via 100MB Copper Link.
>
>
> Six Routers are running OSPF.
>
> (2) 6509s Core Routers
>
> (2) 6513 Campus A Switch/Ruter
>
> (2) 6513 Campus B Switch/router
>
> (2) 6513 Campus C Switch/Router.
>
>
> The highest bandwidth link is 4GB between the Core routers, and that
is
> why
> "AUTO-COST REFERENCE BANDWIDTH" should be changed to 4GB from the
default
> 100MB. Please advise,
>
> Regards,
>
> Richard
>
>
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