12-06-2005 09:23 PM - edited 03-03-2019 11:09 AM
Hi guys/ ladies,
I got a C2611, w/ 4 low speed serial ports. Can I use this single router to simulate a WAN cloud environment? If require DTE/DCE cables, how would I connect the cables? I just need a point-to-point non-broadcast.
Pls advise.
Thank you.
12-06-2005 09:39 PM
Hi Jason,
You can use this to simulate your WAN cloud, first check it frame-relay switching is supported on your IOS.
conf t
frame-relay switching
If it takes that command you can use it as a frame relay switch. Please follow the links for reame-relay configuration:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121cgcr/wan_c/wcdfrely.htm#wp1002491
http://www.ciscopress.com/articles/article.asp?p=170741&seqNum=7
You frame relay switch will be the DCE side as it will provid clocking for the CPE device. So configure the interfaces as DCE and on the DTE side you the frame-relay encapsulation on the serial interfaces.
regards,
-amit singh
12-07-2005 01:06 AM
Hello,
do you have just that one 2611 router ? I think most configuration examples are based on a router configured as a switch, and then another router connected to the serial interface(s), as described in the links mentioned by Amit. If you want to use just 1 router, the configuration is quite similar. Let´s say you want to connect Serial0 and Serial1 on your 2611, the config would look like this (for a point-to-point link):
frame-relay switching
!
interface Serial0
no ip address
encapsulation frame-relay
clockrate 125000
frame-relay intf-type dce
!
interface Serial0.1 point-to-point
ip address 172.16.1.1 255.255.255.252
frame-relay interface-dlci 202
!
interface Serial1
no ip address
encapsulation frame-relay
!
interface Serial1.1 point-to-point
ip address 172.16.1.2 255.255.255.252
frame-relay interface-dlci 202
You will indeed need an (X.21 or V.35) DCE-DTE cable, and connect your two serial interfaces with this cable. The ´clock rate´ command goes on the interface where the DCE end is connected to...
Regards,
GP
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