5288Re: Nodes/Routes not dropping out after link failure
- Feb 1 12:32 PMNo. Should I?
--- In BPQ32@yahoogroups.com, "John Wiseman" <john.wiseman@...> wrote:
> Have you disabled the node keepalive mechanism?
> -----Original Message-----
> From: BPQ32@yahoogroups.com [mailto:BPQ32@yahoogroups.com] On Behalf Of
> Sent: 01 February 2011 19:48
> To: BPQ32@yahoogroups.com
> Subject: [BPQ32] Nodes/Routes not dropping out after link failure
> I recently installed a 9.6k backbone to backup a somewhat shaky internet
> connection between two BPQ32 based sites. The 9.6k ports have a route
> quality a few notches below the AXIP links. My assumption was that BPQ32's
> internal router should detect the AXIP link is down (may take a minute or
> two, but that's fine) and automatically "fail-over" to the 9.6k RF path.
> Last night, for giggles, I pulled the network cable to simulate a failure of
> the AXIP port. From there I watched and waited. The nodes (as expected)
> tried to talk over AXIP for a bit. One eventually dropped the AXIP route,
> the other just seemed heck bent on using the AXIP port. This went on for a
> good 20 minutes. Even after fresh node broadcasts were exchanged on both
> ends....the one node continued non-stop trying to contact the other node
> over the AXIP port. They refused to talk over the backbone RF port,
> insisting on using the axip port. During this there was no way I could
> connect via the 9.6k RF port to the other node.
> The one node required a total restart to get it to stop trying to use the
> AXIP port.
> After both nodes were restarted (the axip link is still down at this point)
> and exchanged node broadcasts, they seemed to talk fine over the RF
> We have a couple other BPQ32 nodes nearby in testing and fairly often we'll
> see one fail/refuse to remove a "down" node and spend hours trying to reach
> it. Restarting the node seems to be the only way to stop it.
> Thoughts? Ideas? Bug in the BPQ32 router?
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