Re: Using Two 2500 Routers as Frame Switch

From: G F Marsh (gfm@xxxxxxxxx)
Date: Mon Dec 18 2000 - 19:38:43 GMT-3


   
If you are going to use 2 2501's to make frame switch, why not use the
ethernet interfaces for your tunnel connection?
You may have more success as I have not heard of using aux interfaces for
this set up.

GFM
----- Original Message -----
From: RAMIL>:-p <ramil@skibuff.com>
To: <ccielab@groupstudy.com>
Sent: Sunday, December 17, 2000 11:09 PM
Subject: Using Two 2500 Routers as Frame Switch

> I tried making a frame switching using two 2500 routers connect via AUX =
> ports. I put IP addresses on the async interface, used PPP =
> encapsulation and CHAP authentication. I set the transmit and receive =
> speed on the AUX port to 38,400. I created a tunnel interface to go =
> from the local async interface to the remote router and vice versa. I =
> then continued with the regular config for a frame switch. Enabling =
> "frame switching", specifying the "intf-type dce", using the "frame =
> route" command but attempted to use the Tunnel interface instead of the =
> Serial interface as per instructions in Rudenko's "Little Black Book". =
> Doesn't work. I can't put the tunnel interface in, in place of the =
> serial interface. What gives? I'm running 12.0 code and I'm using the =
> rollover console cable between boxes. I have no idea why DLCI 421 and =
> 423 are being used either. Here is the config from Rudenko's "Little =
> Black Book":
>
> R2
> (s0) dlci 201 to R1, dlci 203 to R3
> |
> (s0)
> FR2
> (a1)
> /
> (a1)=20
> FR1
> dlci 102 to R2 (s0) (s1) dlci 302 to R2
> | \
> (s0) (s0)
> R1 R3
>
>
> FR1
> username FR2 password 0 cisco
> frame-relay switching
>
> interface tunnel0
> tunnel source 1.0.0.1
> tunnel destination 1.0.0.2
>
> interface serial0
> encapsulation frame-relay
> frame-relay intf-type dce
> clockrate 2000000
> frame-relay route 102 interface tunnel 0 421 <--- can't config
>
> interface serial1
> encapsulation frame-relay
> frame intf-type dce
> clockrate 2000000
> frame route 302 interface tunnel 0 423 <--- ditto
>
> interface async 1
> ip address 1.0.0.1 255.255.255.0
> encaps ppp
> async mode dedicated
> async default routing
> ppp authentication chap
>
> lin aux 0
> rxspeed 38400
> txspeed 38400
>
> =20
> FR2
> username FR1 password 0 cisco
> frame-relay switching
>
> interface tunnel0
> tunnel source 1.0.0.2
> tunnel destination 1.0.0.1
>
> interface serial0
> encapsulation frame-relay
> frame-relay intf-type dce
> clockrate 2000000
> frame-relay route 201 interface tunnel 0 421 <--- can't config
> frame-relay route 203 interface tunnel 0 423 <--- ditto
> =20
> interface async 1
> ip address 1.0.0.2 255.255.255.0
> encaps ppp
> async mode dedicated
> async default routing
> ppp authentication chap
>
> lin aux 0
> rxspeed 38400
> txspeed 38400
>
>
> Thanks,
> RAMIL>:-p
>
>



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