Thanks eric, thats good enough. I just thought maybe a whitepaper or
internal document may have existed with a chart with all routers and a
matrix of ios and idb limits etc.......but this sounds good.
Brian
On Fri, 6 Oct 2000, Eric Osborne wrote:
> On Fri, Oct 06, 2000 at 08:38:58AM -0500, Brian wrote:
> >
> > Eric, where can one find this type of information on CCO? Specifically
> > limitations in MAC addresses per bridge group, IDB's, etc.........the type
> > of resource limits people are going to be concerned about.
> >
>
> I'm not actually sure - I just RTFC...:)
> I didn't see anything about "idb limit" in a CCO search.
>
> The IDB limit for all routers in 12.0(7)T (and, to the best of my
> knowledge, in pretty much all IOS) is _at least_ 300, if that helps.
> It goes up quite a lot in higher-end boxes.
>
> I'm hesitant to list all platforms and IDB limits, because some boxes
> change their IDB limits in different configurations, and some
> platforms have HW restrictions that make understanding IDB limit a
> little more complex. Best way to find out for yourself is to load the
> code in question up on a test router, and have a script that creates
> loopback addresses until you get a message like 'idb limit exceeded'
> or whatever it is.
>
> Generally speaking, *most* resource limitations (like mac addresses in
> a bridge group or number of arp entries or size of routing table) is a
> function of memory, rather than a hard-coded limit. IDBs are the only
> notable exception I can think of to that rule.
>
> Disclaimer: I know the platforms I know; I don't know how much I
> *don't* know about what restrictions specific boxes may have about
> interface and IDB limits. If you absolutely need an official answer,
> test in your lab first and then call your support rep for
> confirmation....:)
>
>
>
> eric
>
> > Brian
> >
> > On Fri, 6 Oct 2000, Eric Osborne wrote:
> >
> > > 1400. But of course, you may run into other issues (memory, cpu
> > > utilization) long before you configure your 1400th interface.
> > >
> > >
> > >
> > > eric
> > >
> > > On Thu, Oct 05, 2000 at 07:15:47PM -0400, kyle donald smith wrote:
> > > > Just a quick qustion,
> > > >
> > > > What is the largest number of interfaces (including sub-interfaces) that
> > > > a Cisco 3660 running IOS 12.0(7)T could support? Any help would be
> > > > appreciated, Thanks.
> > > >
> > > >
> > > >
> > > > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
> > > > Kyle Donald Smith E-Mail: ks1060@nmia.com
> > > > Systems Operations Group Phone: 505/247-0888
> > > > New Mexico Internet Access, Inc. Pager: 505/698-1922
> > > > 2201 Buena Vista SE STE 311 WWW: http://www.nmia.com
> > > > Albuquerque, NM 87106
> > >
> >
> > -----------------------------------------------
> > Brian Feeny, CCNP, CCDA signal@shreve.net
> > Network Administrator
> > ShreveNet Inc. (ASN 11881)
>
-----------------------------------------------
Brian Feeny, CCNP, CCDP signal@shreve.net
Network Administrator
ShreveNet Inc. (ASN 11881)
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