Configuring a backup source of bandwidth

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harmetp

join:2005-09-11
Cropsey, IL

Configuring a backup source of bandwidth

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We have 4 towns supplied by a link to larger city (>50 people) and share 2 bonded T1's. We have another location that uses a cable connection. We can make a link work between the cable supplied location and one of the T1 supplied locations.

What I'm thinking of doing is setting up a couple of 5GXi (what HGA sells) for a link, running nat on the T1 side of the link and connecting the 5gxi to a router with an IP address of .254 (T1 side router is .1). In the event the link to the t1's goes down I could turn off the T1 connected router and change the cable router to .1 (I'd have to setup multiple dns servers on the clients to make this work though). Is there a big hairy reason this would not work? Everything is bridged, so network paths would not need changing.

Thanks, Pat

permalink · 2006-12-05 08:10:02 · Print ·

gunther_01
Premium
join:2004-03-29
Saybrook, IL

Re: Configuring a backup source of bandwidth

Should be fine as long as you don't have them both on at the same time. I would use an outside DNS server so you would not have to change them later in the event that you need to start sharing your other Internet feed. Worst case you may need to reboot everything or wait till ARP caches up with the IP to MAC change. It's possible that ARP may not catch up and you need to reboot your key devices and some customers. Those icey climbs don't seem to make it worth while to me sometimes when the power is out.

permalink · 2006-12-05 21:07:05 · Print ·

dongato17 VIP join:2000-07-28 Atlanta, GA	How about something like this: »www.mikrotik.com/testdocs/ros/2.···vrrp.php to make it automatic and not worry about IPs, etc.? -Hal -- Harold Bledsoe Deliberant Wireless »www.deliberant.com
	permalink · 2006-12-06 06:50:53 ·

Wisp join:2005-09-07 Bryn Athyn, PA	Re: Configuring a backup source of bandwidth Can you have one running at 2.4Ghz and the other 5Ghz?
	permalink · 2006-12-06 07:58:02 ·

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