RE: Finding the Neighbor's Address

From: Earl Aboytes (Earl@xxxxxxxxxxxxxx)
Date: Tue Dec 26 2000 - 15:26:02 GMT-3


   
Here is a post that I made In July of this year. It addresses the IPX
problem but not the appletalk. I am not sure how you would do something
similar with appletalk.

I tried this in the lab and it worked like a charm!!!!!!!!!!!!!!!!!!!!!!!!
Check this out. Here are my four interfaces hanging off the Ethernet

interface Ethernet0.1
 ipx network 11
!
interface Ethernet0.2
 ipx network 12 encapsulation SAP
!
interface Ethernet0.3
 ipx network 13 encapsulation ARPA
!
interface Ethernet0.4
 ipx network 14 encapsulation SNAP

Here is my debug! Debug ipx sap events, debug ipx packet, debug ipx sap
activity.
IPXSAP: positing update to 13.ffff.ffff.ffff via Ethernet0.3 (broadcast)
(full)
IPXSAP: positing update to 11.ffff.ffff.ffff via Ethernet0.1 (broadcast)
(full)
IPX: Et0.3:12345.0050.0f01.1c60->12345.ffff.ffff.ffff ln= 96 tc=00, rcvd
IPX: Et0.3:12345.0050.0f01.1c60->12345.ffff.ffff.ffff ln= 96 tc=00, bad pkt
IPX: Et0.3:12345.0050.0f01.1c60->12345.ffff.ffff.ffff ln= 40 tc=00, rcvd
IPX: Et0.3:12345.0050.0f01.1c60->12345.ffff.ffff.ffff ln= 40 tc=00, bad pkt
IPXSAP: positing update to 14.ffff.ffff.ffff via Ethernet0.4 (broadcast)
(full)
IPXSAP: positing update to 12.ffff.ffff.ffff via Ethernet0.2 (broadcast)
(full)
IPXSAP: positing update to 13.ffff.ffff.ffff via Ethernet0.3
dcaend )

Look at e0.3. It has an error message with a network number of 12345. That
is the mystery network that I had my wife put in an adjacent router. Thank
you Ron, for the idea. If you look at my config, e0.3 has an encapsulation
of arpa. I deleted the subinterfaces and created a main interface that had
an encap of arpa. I then saw my saps come through the debug.
IPXSAP: positing update to 12345.ffff.ffff.ffff via Ethernet0 (broadcast)
(full)
IPXSAP: suppressing null update to 12345.ffff.ffff.ffff
IPXSAP: Response (in) type 0x2 len 96 src:12345.0050.0f01.1c60
dest:12345.ffff.ffff.ffff(452)
 type 0x4, "surf", 10.0010.0010.0010(451), 3 hops

Earl Aboytes, CCIE 6097

-----Original Message-----
From: Reggie Terrell [mailto:rterrell@bellatlantic.net]
Sent: Monday, December 25, 2000 10:31 PM
To: Johnson, Charles
Cc: ccielab@groupstudy.com
Subject: Finding the Neighbor's Address

Hi Group,

Is there a way to find a non-IP Layer 3 address of a neighbor router? Show
CDP neighbor tells the neighboring IP address.
I'm looking for a way to determine the neighboring address of a IPX or
Appletalk neighboring router.

Thanks for the info,

Reggie



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