configure e1 backup link

[re...@lightning.eclipse.co.uk]

We are in the process of setting up a remote site. We are using BT to
provide a point to point leased line and an ISDN30 PRI at both sites.
Only 15 of the E1 channels will be enabled. We are using cisco 2800
routers with a single port serial wic card and a single port ISDN PRI
network module in each. The PRI link is to be used as a backup in case
of serial link failure I would appreciate detailed advice and guidance
on the following:-

1) how to configure /enable the E1 controller (given that it is
provided by BT and we are only using ½ of the channels)
2) How to set up the interfaces so that the router will automatically
fail over to the PRI link

Thanks

[Anthrax]

http://www.cisco.com/en/US/products/sw/iosswrel/ps1835/products_configuration_guide_chapter09186a00804b89bb.html

just do it for pri instead of bri

this is another example pretty close for what you want

http://www.cisco.com/en/US/tech/tk801/tk133/technologies_configuration_example09186a0080094559.shtml

cheers!

--
2nd Law of Thermodynamics: Chaos will Reign.
///////////////////
--Anthrax--
////////////////// #end

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[Aaron Leonard]

I'd recommend that you use PPP on your leased E1, and configure
dialer watch to watch the host route to the peer router's address.
Use a dialer profile to make the PRI calls, with dialer max-call 15
configured on it.

This config will give you the idea ...
Configuring BRI ISDN Backup With Dialer Watch
http://www.cisco.com/warp/public/793/access_dial/bri_isdn_11048.html

Aaron

---

~ We are in the process of setting up a remote site. We are using BT to
~ provide a point to point leased line and an ISDN30 PRI at both sites.
~ Only 15 of the E1 channels will be enabled. We are using cisco 2800
~ routers with a single port serial wic card and a single port ISDN PRI
~ network module in each. The PRI link is to be used as a backup in case
~ of serial link failure I would appreciate detailed advice and guidance
~ on the following:-
~
~ 1) how to configure /enable the E1 controller (given that it is
~ provided by BT and we are only using ½ of the channels)
~ 2) How to set up the interfaces so that the router will automatically
~ fail over to the PRI link
~
~ Thanks