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OSPF still announce route from removed vifX.XX/tapXX interface #2

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@perfect-solutions perfect-solutions commented Apr 22, 2018

Good day!

I am catch the bug with Kernel routes.

  1. For example, We have a tap1 interface and route to 8.8.8.8 via tap1 interface (added not from quagga).

  2. After tap1 interfaces is died (openvpn stops) and linux kernel drop route from routing table - quagga keep route in table:

    show ip route kernel
    ...
    K * 8.8.8.8/32 is directly connected, unknown inactive

  3. After restart openvpn we can check (route not exists):

    ip ro li | grep 8.8.8.8 | wc -l
    0

but quagga has a active route and redestribute it!:

 # show ip route kernel
...
 K>* 8.8.8.8/32 is directly connected, tap1

In issue perfect-solutions#1 this bug described as affected to xen.

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