From: navaid@rogers.com
Date: Thu Sep 18 2003 - 15:37:28 GMT-3
Thanks Joe, It was helpful.
Navaid
>
> From: "Joe Martin" <jmartin@capitalpremium.net>
> Date: 2003/09/18 Thu PM 01:36:17 EDT
> To: <navaid@rogers.com>,
> <Ken.Farrington@barclayscapital.com>,
> <ccielab@groupstudy.com>
> Subject: RE: RE: Frame-Relay HELP with static mappings :(
>
> Navaid,
>
> The frame-rely interface-dlci commands serves a different purpose on the
> physical interface than it does on a ptp subif. On a ptp subif this command
> is used to map an IP address to a dlci; or, more accurately to map a dcli to
> a subif to which there can only be one other IP address (a ptp subif). On a
> ptp there is only one possible destination, the other side of the ptp link.
>
> On a physical interface there can be multiple remote destination. As stated
> the frame-relay interface dlci coomand serves no purpose in mapping as it
> would only associate a dlci with this interface and not specify a remote IP
> address. On a physical interface, this command is used to configure
> dlci-specific commands i.e. the class command, used to attach FRTS to a
> specific dlci.
>
> HTH,
>
> Joe Martin
> CCIE #12035
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> navaid@rogers.com
> Sent: September 18, 2003 11:17 AM
> To: Ken.Farrington@barclayscapital.com; ccielab@groupstudy.com
> Subject: Re: RE: Frame-Relay HELP with static mappings :(
>
>
> Then what is the point of frame-relay interface-dlci command on physical
> interface? It will work without this command using inv-arp.
>
> Navaid
> >
> > From: Ken.Farrington@barclayscapital.com
> > Date: 2003/09/18 Thu PM 12:53:28 EDT
> > To: ccielab@groupstudy.com
> > Subject: RE: Frame-Relay HELP with static mappings :(
> >
> > One thing to add, is that on the major interface when I use the
> frame-relay
> > interface dlci command, it does not show up as a static entry and i get a
> > dynamic entry
> >
> > ie,
> >
> > !
> > interface Serial0
> > ip address 10.10.10.4 255.255.255.0
> > encapsulation frame-relay
> > frame-relay interface-dlci 401
> > !
> >
> > R4>sh frame map
> > Serial0 (up): ip 10.10.10.2 dlci 401(0x191,0x6410), dynamic,
> > broadcast,, status defined, active
> >
> >
> > So even though you can put the command in, it does not seem to setup a
> > static entry on the router and gets the mapping dynamically :))
> >
> >
> > Thx
> >
> > -----Original Message-----
> > From: Farrington, Ken: IT (LDN)
> > Sent: 18 September 2003 17:49
> > To: ccielab@groupstudy.com
> > Subject: RE: Frame-Relay HELP with static mappings :(
> >
> >
> > thx dave. it's just working out all the combinations now so I am
> confident
> > for my lab.
> >
> > and the combinations can be many correct?
> >
> > Is there a default guide to what is correct or not from a Cisco
> standpoint.
> > I know real life may be different :))
> >
> > many thx for the quick reply.
> > Ken
> >
> > -----Original Message-----
> > From: MADMAN [mailto:dmadlan@qwest.com]
> > Sent: 18 September 2003 17:44
> > To: Ken.Farrington@barclayscapital.com
> > Cc: ccielab@groupstudy.com
> > Subject: Re: Frame-Relay HELP with static mappings :(
> >
> >
> >
> >
> > Ken.Farrington@barclayscapital.com wrote:
> >
> > > Please could you guys help me on this and confirm what I am saying is
> 100%
> > > correct?
> > >
> > > Major Interface (multipoint by nature)
> > > Only frame-relay map or Inverse ARP - Can enter interface-dlci but it
> will
> > > not work.
> >
> > Yes physical interface is multipoint though the interface dlci comand
> > will work, more by accident than design as I think inverse arp is what
> > allows this misconfiguration to work.
> > >
> > > point-to-point Sub Interface
> > > frame-relay interface-dlci ONLY
> > >
> > > multipoint Sub Interface
> > > Only frame-relay map or Inverse ARP (cant use interface-dlci *see
> below*)
> > >
> > > R2(config)#int s0/0.1 multipoint
> > > R2(config-subif)#frame map ip 10.10.10.4 104 bro
> > > FRAME-RELAY INTERFACE-DLCI command should be used on point-to-point
> > > interfaces
> > > R2(config-subif)#frame-relay interface-dlci 104
> > > R2(config-fr-dlci)#^Z
> > > R2#
> > >
> > > MY POINT ......
> > >
> > > So if I have a point-to-point PVC between two routers, one is a
> > > point-to-point sub int and the other end is a Major interface. I HAVE TO
> > USE
> > > "-frame interface-dlci" on the point-to-point sub int and frame-relay
> map
> > ip
> > > on the otherside of the PVC which is a major interface.
> > >
> > > (p-2-p sub-int) (major-int)
> > > rtr2-------------------------------rtr4
> > >
> > > Please could someone confirm this and let me know if there is any good
> > > documentation to clear this up.
> >
> > Yes what you describe above is the correct config. Fun for the lab,
> > don't do it in the real world;)
> >
> > Dave
> > >
> > > Many thx
> > >
> > >
> > > ------------------------------------------------------------------------
> > > For more information about Barclays Capital, please
> > > visit our web site at http://www.barcap.com.
> > >
> > >
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> > >
> > > ------------------------------------------------------------------------
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> >
> > --
> > David Madland
> > CCIE# 2016
> > Sr. Network Engineer
> > Qwest Communications
> > 612-664-3367
> >
> > "Emotion should reflect reason not guide it"
> >
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