The collision domain consists of the switch port AND the E0 port on the
router. It's very likely that they will send at the same time, which would
cause a collision. This is normal CSMA/CD. If those are the only ports in
the collision domain -- in other words, it's a point-to-point link -- then
set it to full duplex. This allows both stations to send at the same time
and not cause a collision.
This is one of those topics that erupts very often on the list. I suggest
you check the archives for numerous responses to similar questions. Good luck!
Priscilla
At 10:40 PM 9/11/00, Pedro Quezada wrote:
>ther shoudl not be collision on a swiched port .by nature each port on a
>switch becomes a collison domain.Only one thing That came on to my mind as
>I read you statement .
>
>check the connection speed on the switched ports and force them to be the
>same on the connection port to r1 to the switch an r2 to the switch.
>
>
>
>Kuncoro Wijaya wrote:
>
> > Dear all,
> >
> > I have also one problem regarding the a.m matters.
> >
> > We have a network conf. as follows :
> >
> > (((( INTERNET ))))
> > |
> > |
> > (X) Router from ISP (R1)
> > |E0 : 192.168.1.1 255.255.255.0
> > | (a Class C, just for example)
> > |
> > |Switch|
> > |
> > |
> > |E0 : 192.168.1.2 255.255.255.0
> > (X) Our Router (R2)
> > |E1
> > |
> > --------------------
> > | | | |
> > Our Network
> >
> > In our router, R2, we have a command line like this:
> > ip route 0.0.0.0 0.0.0.0 192.168.1.1
> >
> > The static route (default route) is working, however,
> > when we look at the interface E0 of R2 (sh int e0), we
> > see a lot of collisions.
> >
> > Could the problem be arisen due to the nature of
> > ethernet connection (CSMA/CD), although we have used a
> > switch to connect to E0 of R1? And how to overcome
> > this problem as it is the service given by the ISP ?
> >
> > I need your analysis on this.
> >
> > Thanks in adv
> >
> > Kuncoro
> >
________________________
Priscilla Oppenheimer
http://www.priscilla.com
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