From: Dawit Birhanu (dawit@xxxxxxxxxxxx)
Date: Wed Dec 29 1999 - 14:43:28 GMT-3
Hi Brad,
The cable connecting the two routers has been tested for impedence,
attennuation and pinout using a cable tester. Moreover, IP works fine
over this link if AppleTalk is removed from the interfaces.
Dawit
On Wed, 29 Dec 1999, Brad Hedlund wrote:
> Dawit,
>
> Try replacing your cross-over cable. It is possible that the transmit path
> from R1 to R2 is broken, thus R2 is showing line protocol as being. The
> transmit path from R2 to R1 is still good since R1 is showing line protocol
> as up.
>
> If you are making the cross-over cable, be sure that the pin crossing is as
> follows:
>
> 1 -> 3
> 2 -> 6
>
> Also, be sure that you are crimping the promper type of end to the type of
> cable you have.
> In other words, cables that have stranded conductors need a differnet type
> of end than a solid conductor. If you mix the two ... bad, easily broken,
> and unreliable connections can result.
>
> -Brad
>
>
>
>
> > -----Original Message-----
> > From: Dawit Birhanu [mailto:dawit@lis.pitt.edu]
> > Sent: Tuesday, December 28, 1999 10:40 PM
> > To: Brad Hedlund
> > Cc: 'Naushad Prasla'; Earl Aboytes; CCIE Lab group study
> > Subject: RE: AppleTalk on FastEthernet interface
> >
> >
> >
> > Hi,
> >
> > Apple routing eigrp is configured globally. The AS numbers
> > are unique for
> > each router (90 for R1 and 93 for R2). Also AppleTalk EIGRP
> > is working
> > properly on the other interfaces of both routers. Moreover,
> > IP works fine
> > over the FastEther connecting the two routers when AppleTalk is not
> > configured on interfaces connecting the two routers. I also
> > tried RTMP
> > instead of EIGRP - still it doesn't work.
> >
> > Dawit
> >
> > On Tue, 28 Dec 1999, Brad Hedlund wrote:
> >
> > > He wouldn't have been able to assign Appletalk cable-ranges
> > or zones to the
> > > interfaces if 'appletalk routing' wasnt configured globally.
> > >
> > >
> > >
> > > Brad
> > >
> > >
> > >
> > > > -----Original Message-----
> > > > From: Naushad Prasla [mailto:naushad.prasla@sabre.com]
> > > > Sent: Tuesday, December 28, 1999 8:14 PM
> > > > To: Earl Aboytes; Dawit Birhanu; CCIE Lab group study
> > > > Subject: RE: AppleTalk on FastEthernet interface
> > > >
> > > >
> > > > Have you turned on AppleTalk Routing in Global
> > config...Just curious..
> > > >
> > > > Naushad
> > > >
> > > > -----Original Message-----
> > > > From: nobody@groupstudy.com
> > [mailto:nobody@groupstudy.com]On Behalf Of
> > > > Earl Aboytes
> > > > Sent: Tuesday, December 28, 1999 6:11 PM
> > > > To: Dawit Birhanu; CCIE Lab group study
> > > > Subject: Re: AppleTalk on FastEthernet interface
> > > >
> > > >
> > > > Dawit,
> > > > Remember that EIGRP with Appletalk must have different AS numbers.
> > > > Earl Aboytes
> > > >
> > > > At 04:14 PM 12/28/99 -0500, Dawit Birhanu wrote:
> > > > >
> > > > >I connected two routers (R1 & R2) using a crossed-over cable
> > > > attached to
> > > > >FastEther port. Then I configured IP on both sides of the
> > > > routers and both
> > > > >interfaces were up/up. When I configured AppleTalk on
> > both interfaces
> > > > >with EIGRP routing protocol, the interface on one of the
> > routers (R2)
> > > > >changed its state to up/down after few seconds while the
> > > > interface on the
> > > > >other router (R1) remained in up/up state. Also IP
> > > > connectivity between
> > > > >R1 and R2 over the FastEther link is lost.
> > > > >
> > > > >Both routers are identical (7000). Both interfaces are configured
> > > > >identically (except, ofcourse, for the IP address). On R2 I
> > > > have configured
> > > > >AppleTalk on another FastEther interface, which is connected to a
> > > > >Catalyst switch, and it is working properly. On R1 I
> > have configured
> > > > >AppleTalk on an ATM subinterface, and it is working properly.
> > > > >
> > > > >I have tried shut/no shut and also reloaded router R2. But
> > > > the interface
> > > > >is still in up/down state, after a brief up/up state while
> > > > AppleTalk is
> > > > >initializing.
> > > > >
> > > > >Has any one encountered a similar problem? Is this a bug or a
> > > > >misconfiguration? I have included the interface
> > > > configurations for both
> > > > >routers:
> > > > >
> > > > >R1
> > > > >====
> > > > >interface FastEthernet0/1
> > > > > ip address 192.168.25.1 255.255.255.0
> > > > > appletalk cable-range 551-600 581.33
> > > > > appletalk zone sis
> > > > > appletalk protocol eigrp
> > > > > no appletalk protocol rtmp
> > > > >
> > > > >R2
> > > > >===
> > > > >interface FastEthernet0/1
> > > > > ip address 192.168.25.2 255.255.255.0
> > > > > appletalk cable-range 551-600 572.48
> > > > > appletalk zone sis
> > > > > appletalk protocol eigrp
> > > > > no appletalk protocol rtmp
> > > > >
> > > > >
> > > > >Dawit
> > > > >
> > > > >
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