I've seen it done with 2 frame relay T1's at the hub of a hub-and-spoke
topology. (There were actually 3 hub routers and 6 T1's, 1 pair IMUXed into
each hub router). The router interface was a HSSI port. The bandwidth was
what you'd expect (3 megabits). However, the Orion IMUXes the carrier had
provided were so flaky we ended up removing the whole setup and running
individual T1's to the hub routers, as part of an overall re-engineering of
the network. The carrier just could not get the circuits stable long-term
with those IMUXes in there. They were also the ones who had designed the
network with that equipment before we took over management ... go figure.
FWIW,
doctorcisco
>From: "Kelly D Griffin"
>Reply-To: "Kelly D Griffin"
>To: [EMAIL PROTECTED]
>Subject: Re: How to Multiplex 3 T1s [7:4625]
>Date: Tue, 22 May 2001 09:28:15 -0400
>
>Has anyone done this successfully and shown an increase in bandwidth? Has
>anyone done this with PVCs on the same router and frame port?
>
>Kelly D Griffin, CCNA, CCDA
>Network Engineer
>Kg2 Network Design
>877.418.4025
>http://www.kg2.com
>----- Original Message -----
>From: "Wojtek Zlobicki"
>To:
>Sent: Monday, May 21, 2001 8:54 PM
>Subject: Re: How to Multiplex 3 T1s [7:4625]
>
>
> > What is to be gained by using an inverse mux ? How much extra overhead
>is
> > caused by this rather than running in inversed mode?
> >
> >
> > ""Jon Wagner"" wrote in message
> > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > Take a look at this config and see if it work for you:
> > > http://www.cisco.com/warp/public/131/7.html
> > >
> > >
> > > -----Original Message-----
> > > From: Al Smith [mailto:[EMAIL PROTECTED]]
> > > Sent: Tuesday, May 15, 2001 8:57 PM
> > > To: [EMAIL PROTECTED]
> > > Subject: How to Multiplex 3 T1s [7:4625]
> > >
> > >
> > > Colleagues,
> > >
> > > I am currently trying to multiplex / bind 3 parallel T1 clear channel
> > > circuits.
> > > The circuits will be terminating on a 7206 router on an 8 port multi
> > > channel T1 card.
> > >
> > > My question is how do I bind the 3 T1s together to get the total
>aggregate
> > > bandwidth of 3 T1s.
> > > I have only found info on Inverse multiplexing for ATM which is not
>what
>I
> > > am trying to achieve.
> > > what I have is strictly 3 Point to Point T1 circuits using PPP.
> > >
> > > Albert Smith
> > > Lucent Technologies
> > > System Engineer, CCNP MCSE
> > > FAQ, list archives, and subscription info:
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