RE: IPX Network detection

From: C. Warren (chwarren@xxxxxxx)
Date: Wed Jun 12 2002 - 20:37:07 GMT-3


   
Try this scenario: Assume a SAP server update is being sent from the
other end.......Set this up as follows....on the net your are trying to
discover, add a loopback, assign a ipx net to it, then make a static sap
server entry based on the net assigned to the loopback......now go to
one of the other routers and do your 'deb ip pac' and see what you see.

> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On
> Behalf Of Michael Popovich
> Sent: Wednesday, June 12, 2002 2:20 PM
> To: MERRILL, JAMES D (AIT); CCIE GROUPSTUDY
> Subject: Re: IPX Network detection
>
>
> Here is how I have it setup now.
>
> R5 R6
> | |
> |---Ethernet--|
> |
> R7
>
> R5 has FA0/0
> R6 has E0
> R7 has FA0/0
>
> Here are the configs of each:
>
> R5
>
> interface FastEthernet0/0
> bandwidth 100000
> ip address 150.50.7.5 255.255.255.128
> duplex auto
> speed auto
> ipx encapsulation SAP
> ipx network CC
> no ipx route-cache
>
> R6
>
> interface Ethernet0
> bandwidth 100000
> ip address 150.50.7.6 255.255.255.128
> ipx encapsulation SAP
> ipx network BB
> no ipx route-cache
>
> R7
>
> interface FastEthernet0/0
> ip address 150.50.7.7 255.255.255.128
> duplex auto
> speed auto
> ipx encapsulation SAP
> ipx network AA
>
> They all have the same encapsulation type but different
> network numbers. I have "debug ipx packet" on R5 and R6 and I
> receive no data after clearing the ipx routing table.
>
> Any ideas on why??
>
> TIA
>
> MP
>
> ----- Original Message -----
> From: "MERRILL, JAMES D (AIT)" <jm8752@sbc.com>
> To: "'Michael Popovich'" <m.popovich@mchsi.com>; "CCIE
> GROUPSTUDY" <ccielab@groupstudy.com>
> Sent: Wednesday, June 12, 2002 1:50 PM
> Subject: RE: IPX Network detection
>
>
> > Try setting the Speed and duplex on both routers and the switch
> > they're plugged into. I had a problem on my first lab
> attempt because
> > I let the router and switch auto configure. As soon as I set the
> > switch and router
> I
> > was able to pass traffic.
> >
> > This problem cost me a bout 2 hours on the lab. I would
> have left it
> > for later in the day but the lab had 80% of the network
> running across
> > that
> ISL
> > trunk.
> >
> > If that doesn't work try doing each encap type on the primary
> > interface
> and
> > not on sub-interfaces.
> >
> > -----Original Message-----
> > From: Michael Popovich [mailto:m.popovich@mchsi.com]
> > Sent: Wednesday, June 12, 2002 11:44 AM
> > To: CCIE GROUPSTUDY
> > Subject: IPX Network detection
> >
> > I have heard the solution for this and am testing it in my
> lab only I
> > am unsuccessful.
> >
> > R7 is the IPX router that I don't know the network number
> to. Here is
> > the config on the FastEthernet interface:
> >
> > interface FastEthernet0/0
> > ip address 150.50.7.7 255.255.255.128
> > duplex auto
> > speed auto
> > ipx encapsulation SNAP
> > ipx network AA
> >
> > R5 is the router that is trying to detect the network
> number on it's
> > Ethernet
> > segment:
> >
> > interface FastEthernet0/0
> > bandwidth 100000
> > ip address 150.50.7.5 255.255.255.128
> > duplex auto
> > speed auto
> > no ipx route-cache
> > !
> > interface FastEthernet0/0.1
> > ipx network CC
> > !
> > interface FastEthernet0/0.2
> > ipx network DD encapsulation SNAP
> > !
> > interface FastEthernet0/0.3
> > ipx network EE encapsulation ARPA
> > !
> > interface FastEthernet0/0.4
> > ipx network BB encapsulation SAP
> >
> > I do a "debug ipx packet" and I don't see anything at all.
> If I "debug
> > ipx all" I see SAP and RIP updates but that's it, nothing
> that tells
> > me the correct network number.
> >
> > Any ideas??
> >
> > TIA
> >



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