RE: Question about inverse-arp [bcc][faked-from][bayes]

From: Eric Taylor (etaylor10@tampabay.rr.com)
Date: Sun Mar 06 2005 - 16:28:35 GMT-3


I was doing some testing on this and it looks like a multipoint subinterface
inarps if you just use the "frame-relay interface-dlci" for defining your
pvc. Generally, you will have map statements for IP under a multipoint
subinterface though.

I do believe that if you use a map statement it disables inarp for that
particular protocol if I remember correctly.

P2P sub doesn't use inarp at all because there is only one destination.

HTH,
Eric

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
Scott Morris
Sent: Sunday, March 06, 2005 2:13 PM
To: 'marvin greenlee'; 'Roy Dempsey'; 'Cisco certification'
Subject: RE: Question about inverse-arp [bcc][faked-from][bayes]

Actually, inverse-arp is automatically turned off on subinterfaces. The
only caveat is that it will RESPOND to an inverse arp if one is received,
but otherwise will not generate its own...

HTH,

Scott

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
marvin greenlee
Sent: Sunday, March 06, 2005 12:50 PM
To: 'Roy Dempsey'; Cisco certification
Subject: RE: Question about inverse-arp [bcc][faked-from][bayes]

It needs to be disabled wherever you have IP addresses. If you just have
addressing on the physical interface, it just needs to be disabled on the
physical interface. If you have addressing just on subinterfaces, it needs
to be disabled on the subinterfaces. If you have addressing on both the
physical interface and subinterfaces, it needs to be disabled on both.

Marvin Greenlee, CCIE#12237, CCSI# 30483 Network Learning Inc
marvin@ccbootcamp.com www.ccbootcamp.com (Cisco Training)

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Roy
Dempsey
Sent: Sunday, March 06, 2005 6:23 AM
To: Cisco certification
Subject: Question about inverse-arp [bcc][faked-from][bayes]
Importance: Low

Quick question on frame relay and inverse-arp...

If you're asked not to rely on dynamic resolution, and you are using p2p or
p2m subinterfaces, can you disable it on the physical interface alone or do
you need to disable it on both the physical and subinterfaces? Can't check
it out at the moment myself ....

Thanks
Roy



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