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DNS Anycast blackhole DNS traffic

New Member
Posts: 2
1733     1


DNS Anycast with BFD disabled cause DNS service to be non-responsive during restart. which leads to the black-hole of DNS traffic. and if there are any ZRQ happening at the same time it increases the downtime.




one fix is to enable BFD, but that will cause BGP to flap during every DNS service restart.


Is there a better way to fix it?

DNS flapping issue

New Member
Posts: 1
1734     1

the external DNS services is flapping ... which is effecting for services 

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