Jason ,
--- Jason Roysdon <[EMAIL PROTECTED]> wrote:
> Bad info about back to back 2500s.
Don't think so .
Wat you list below is exactly what I said in the email
2501 is dce because you plugged a dce cable in the
back
2502 is dte because you plugged a dte cable in the
back
this IS refected by sh controller serial ##
<I'm using them in my home lab:
--- J Roysdon <[EMAIL PROTECTED]> wrote:
> Bad info about back to back 2500s. I'm using them
> in my home lab:
>
> 2501 dce:
> interface Serial0
> no shutdown
> ip address 172.16.0.1 255.255.255.252
> clockrate 4000000
>
> 2502 dte:
> interface Serial0
> no shutdown
> ip address 172.16.0.2 255.255.255.252
>
>
> With that and the dte/dce back to back cable, it
> just came up.
>
> 2501#sh contr serial
> HD unit 0, idb = 0x93830, driver structure at
> 0x97BC8
> buffer size 1524 HD unit 0, V.35 DCE cable,
> clockrate 4000000
> *snip*
>
> 2502#sh contr serial
> HD unit 0, idb = 0xB9694, driver structure at
> 0xBE418
> buffer size 1524 HD unit 0, V.35 DTE cable
> *snip*
>
> Doesn't reflect what's plugged in regarding DTE vs.
> DCE. The 2501 end is
> DCE, the 2502 is DTE. However, if you notice the
> difference between the
> lines: 2501 DCE device has clockrate specified.
> Also, no matter what
> clockrate I specify on the DTE side, it will not
> take the command (no error,
> just never sets it, as clockrate is set by the DCE).
>
> HTH
>
> --
> Jason Roysdon, CCNP/CCDP, MCSE, CNA, Network+, A+
> List email: [EMAIL PROTECTED]
> Homepage: http://jason.artoo.net/
> Cisco resources: http://r2cisco.artoo.net/
>
>
> "Flem" <[EMAIL PROTECTED]> wrote in message
>
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Charles ,
> >
> > Inline ..
> >
> > --- Charles Paver <[EMAIL PROTECTED]> wrote:
> > > Hi! I am having some difficulty in setting up
> my
> > > lab
> > > at home, and need some good advice. I have two
> > > pc's,
> > > 2 routers, and one switch. I just want to work
> on
> > > the
> > > routers for now, though. Just established a
> network
> > > with them, and can telnet into the router. I
> have a
> > > 2514 router with 2 serial and 2 ethernet ports,
> and
> > > also a 2504 with 1 token ring and 2 serial. I
> also
> > > have one cross over cable (dce to dte), one
> rollover
> > > cable as well. My questions are:
> > >
> > > 1. on the 2514, I can't enable ospf. You know
> how
> > > you type in router ospf (as#)? well, when i do
> > > that,
> > > i do not get a router-config> prompt. But
> with
> > > eigrp or rip I do. I wanted to practice ospf,
> but
> > > cant without getting into that mode!
> >
> > What do you get when you type in router ospf ### ?
> > Message of some sort :-)
> >
> > >
> > > 2. how do i connect the two routers? I know i
> use
> > > the serial calbe, but which router gets the dte
> or
> > > dce? i reda that all routers are dte, and
> therefore
> > > need to have the clock rate set if not using the
> > > dce!
> > > So, on this router 2514 when i teyped in show
> int
> > > s0,
> > > it says down, down. Now, I went into interface
> > > mode,
> > > and did a no shutdown. And then I assigned it
> an ip
> > > address. But, i cant do anything til i get that
> > > interface up.
> > >
> >
> > Router is by default nothing :-)
> > Router will detect what cable is plugged in .
> > You can see that with sh controllers ...
> > Put dce cable in one and dte in the other .
> > Set clock on the dce router , configure a similar
> > protocol , ppp or hdlc and things should come
> up/up.
> >
> > > 3. once they are connected (if i cant use ospf,
> ill
> > > settle for eigrp :>), then what? This ccnp
> stuff is
> > > really hard without the materials (such as frame
> > > lines
> > > coming into the house, or csu/dsu's!!)
> > >
> >
> > Don't now about ccnp .
> > Then ... coffee I suppose .
> >
> > > 4. I just bought an external modem, so I can
> dial
> > > in
> > > to the router. Anyone know how to set this up
> to
> > > simulate a t1 coming in? Such as, from my 56k
> phone
> > > line to the external modem to the serial port?
> Or
> > > is
> > > my logic flawed?
> > >
> >
> > No way to simulate T1 with a dialup connection .
> Think
> > you can put a t1 back-to-back but not with c2500 .
> I
> > saw a guy do it once with two c4500 .
> >
> >
> > flem
> > > Any advice is very, very appreciated! You guys
> are
> > > awesome!
> > >
> > >
> __________________________________________________
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>
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