From: Herbert Maosa (asawilunda@googlemail.com)
Date: Fri Aug 10 2007 - 11:38:24 ART
You can configure back to back frame-relay between routers. You DO NOT have
to configure Frame-Relay Switching at all on any one of the routers. You
just need to remember to set one side as Frame-relay intf-typ dce and the
other as frame-relay intf-fype dte. also set your layer one clock rates.
The only caveat with back to back frame relay is that the DLCI numbers on
both sides MUST MATCH.
I have done this so many times.
Herbert.
On 8/10/07, tom sun <tomsun2007@gmail.com> wrote:
>
> i think ,if 2 routers use back-to-back mode to connect themselves .it
> does
> not support frame-relay encapsulation ,maybe you can select hdlc or ppp
> !!!
>
>
> On 8/9/07, Antonio Soares <amsoares@netcabo.pt> wrote:
> >
> > I have here a working config. I used dynamips:
> >
> > +++++++++++++++++++++++++++++
> > R1:
> > !
> > interface MFR12
> > no ip address
> > frame-relay intf-type dce
> > !
> > interface MFR12.1 point-to-point
> > ip address 12.12.12.1 255.255.255.0
> > frame-relay interface-dlci 102
> > !
> > interface Serial1/0
> > no ip address
> > encapsulation frame-relay MFR12
> > serial restart-delay 0
> > no arp frame-relay
> > !
> > interface Serial1/1
> > no ip address
> > encapsulation frame-relay MFR12
> > serial restart-delay 0
> > no arp frame-relay
> > !
> > +++++++++++++++++++++++++++++
> > R2:
> > !
> > interface MFR12
> > no ip address
> > !
> > interface MFR12.1 point-to-point
> > ip address 12.12.12.2 255.255.255.0
> > frame-relay interface-dlci 102
> > !
> > interface Serial1/0
> > no ip address
> > encapsulation frame-relay MFR12
> > serial restart-delay 0
> > no arp frame-relay
> > !
> > interface Serial1/1
> > no ip address
> > encapsulation frame-relay MFR12
> > serial restart-delay 0
> > no arp frame-relay
> > !
> > +++++++++++++++++++++++++++++
> > R1#
> > R1#ping 12.12.12.2
> >
> > Type escape sequence to abort.
> > Sending 5, 100-byte ICMP Echos to 12.12.12.2, timeout is 2 seconds:
> > !!!!!
> > Success rate is 100 percent (5/5), round-trip min/avg/max = 92/122/192
> ms
> > R1#
> > +++++++++++++++++++++++++++++
> > R1#sh frame multi
> > Bundle: MFR12, State = up, class = A, fragmentation disabled
> > BID = MFR12
> > Bundle links:
> > Serial1/1, HW state = up, link state = Up, LID = Serial1/1
> > Serial1/0, HW state = up, link state = Up, LID = Serial1/0
> >
> > R1#
> > +++++++++++++++++++++++++++++
> >
> >
> > Regards,
> >
> > Antonio Soares
> > CCIE #18473, CCNP, CCIP
> >
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
> > Gadad, Milind
> > Sent: quinta-feira, 9 de Agosto de 2007 18:05
> > To: ccielab@groupstudy.com
> > Subject: MFR interface - frame-relay encapsulation
> >
> > Can we connect 2 routers back to back with frame-relay encapsulation? I
> > don't have a frame-rely switch in between the two routers.
> >
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-- Kindest regards, hm
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