What types of routers? I've seen this happen on Mikrotik. Any OSPF
change anywhere in the network will fix it. I have dedicated routers
hanging at points on the network running a script that pings an Internet
Address, and downs it's OSPF network if it's unreachable. To address
this specific senario.
On 7/19/2018 2:02 PM, Sterling Jacobson wrote:
Maybe not quite a similar problem, but I had forgotten to advertise
BGP one time on one of the routers when I thought things would
magically fail over.
*From:* AF <[email protected]> *On Behalf Of * Bill Prince
*Sent:* Thursday, July 19, 2018 11:44 AM
*To:* AFMUG <[email protected]>
*Subject:* [AFMUG] OSPF not propagating default route...
Our backbone is 9 hops from one end to the other. We have 2 ASes and 2
exits at either end. "Most" of the time the traffic is 50/50 right at
the midpoint (4 hops one way, and 4 hops the other). However, when we
kill BGP at one end or the other, the default routes do not switch
over. The two BGP routers are set to "distribute-default" "always as
type 1". Clearly, this is not working the way we expect it to. Any
clues about what we are missing here?
--
bp
part15sbs{at}gmail{dot}com
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