From: Brian McGahan (brian@cyscoexpert.com)
Date: Thu Sep 26 2002 - 15:30:45 GMT-3
Brian,
I had it disabled only on one side. Debugging frame-relay
packet did not show me this arp request/reply.
Brian McGahan, CCIE #8593
Director of Design and Implementation
brian@cyscoexpert.com
CyscoExpert Corporation
Internetwork Consulting & Training
http://www.cyscoexpert.com
Voice: 847.674.3392
Fax: 847.674.2625
> -----Original Message-----
> From: Brian Dennis [mailto:brian@5g.net]
> Sent: Thursday, September 26, 2002 12:51 PM
> To: 'Brian McGahan'; ccielab@groupstudy.com
> Subject: RE: FrameRelay InARP
>
> Brian,
> He's debugging frame packet to see the inverse-arp request/replies.
Also
> do you have inverse-arp disabled on both sides or one side?
>
> Brian Dennis, CCIE #2210 (R&S/ISP Dial)
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
Of
> Brian McGahan
> Sent: Thursday, September 26, 2002 10:09 AM
> To: 'Deleporte Antoine'; ccielab@groupstudy.com
> Subject: RE: FrameRelay InARP
>
> Antoine,
>
> I cant seem to reproduce your problem, and I cant find
> anything listed in the bug toolkit. Its working the way its
supposed
> to on 12.1(12) here. What are you debugging that shows the inarp
> request/reply? Shut the interface down, encap hdlc, encap fram, then
> bring it back up.
>
> HTH
>
> Brian McGahan, CCIE #8593
> Director of Design and Implementation
> brian@cyscoexpert.com
>
> CyscoExpert Corporation
> Internetwork Consulting & Training
> http://www.cyscoexpert.com
> Voice: 847.674.3392
> Fax: 847.674.2625
>
> -----Original Message-----
> From: Deleporte Antoine [mailto:DELEPORTE@dynetcom.fr]
> Sent: Thursday, September 26, 2002 11:33 AM
> To: 'Brian McGahan'; ccielab@groupstudy.com
> Subject: RE: FrameRelay InARP
>
> Brian,
> as you can see, I used both commands on R2 (physical interfaces), but
R2
> still replies to R1 InARP requests...
> Have you ever hear something wrong or strange with this command ? It
> doesn't work...
> Antoine
> -----Message d'origine-----
> De : Brian McGahan [mailto:brian@cyscoexpert.com]
> Envoyi : jeudi 26 septembre 2002 18:11
> @ : 'Deleporte Antoine'; ccielab@groupstudy.com
> Objet : RE: FrameRelay InARP
>
> Antoine,
> There are actually two steps in turning off frame-relay
> inverse-arp.
> No frame-relay inverse-arp <--- do not request inarp of other end of
> cloud
> No arp frame-relay <--- do not respond to any inarp request
> Remember to turn it off on both your main interface and multipoint
> sub-interfaces.
>
> HTH
> Brian McGahan, CCIE #8593
> Director of Design and Implementation
> brian@cyscoexpert.com
> CyscoExpert Corporation
> Internetwork Consulting & Training
> http://www.cyscoexpert.com
> Voice: 847.674.3392
> Fax: 847.674.2625
>
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
> Of
> > Deleporte Antoine
> > Sent: Thursday, September 26, 2002 7:08 AM
> > To: 'ccielab@groupstudy.com'
> > Subject: FrameRelay InARP
> >
> > Hi all,
> >
> > just a question about FrameRelay InARP :
> >
> >
> > R1--------(FrameRelay)--------R2
> >
> > R1 : (on R1, inARP is enabled by default...)
> > interface Serial1
> > ip address 144.21.1.17 255.255.255.248
> > no ip directed-broadcast
> > encapsulation frame-relay
> > no logging event subif-link-status
> > no logging event dlci-status-change
> > !
> >
> > R2 : (InARP is disabled)
> > interface Serial0
> > ip address 144.21.1.19 255.255.255.248
> > encapsulation frame-relay
> > no fair-queue
> > no arp frame-relay
> > no frame-relay inverse-arp
> > !
> >
> > So, R2 doesn't send any InARP request, as configured.
> > But, R1 send InARP request, and R2 reply to this request, mapping R1
> ip
> > address on a dlci...
> >
> > Could someone explain me why does R2 reply to inARP request ?!
> > How can I force R2 not to map any dlci, keeping default inARP
settings
>
> on
> > R1
> > ???
> >
> > Here are debugs :
> >
> > r2#sh frame-relay map
> >
> > r2#
> > r2#
> > *Mar 1 01:39:32: Serial0(i): dlci 35(0x831), pkt encaps 0x0300
0x8000
>
> > 0x0000 0x806 (ARP), datagramsize 30
> > *Mar 1 01:39:32: Serial0: frame relay INARP received
> > *Mar 1 01:39:32: FR: Sending INARP Reply on interface Serial0 dlci
35
>
> for
> > link 7(IP)
> > r2#
> > r2#
> > r2#
> > r2#sh frame-relay map
> > Serial0 (up): ip 138.21.1.17 dlci 35(0x23,0x830), dynamic,
> > broadcast,, status defined, active
> > r2#
> >
> >
> > IOS versions are 12.1(2), and routers are rebooted...
> > Can someone help ?
> >
> > Antoine
This archive was generated by hypermail 2.1.4 : Mon Oct 07 2002 - 07:44:04 GMT-3