Got it

ip route-static 10.0.0.0 8 null 0

Created: Apr 26, 2020 08:37:43Latest reply: Apr 27, 2020 14:44:31 326 2 0 0 0
  Rewarded HiCoins: 0 (problem resolved)

Hello everyone,

The ip route-static 10.0.0.0 8 null 0 command is configured on my device, but I do not know what this command means and what its function is. Please tell me. Thank you!


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Featured Answers
DDSN
Admin Created Apr 26, 2020 08:38:17

Hello WDNJSQ.
This is a blackhole route.
Blackhole route: When the static route to a destination has the blackhole attribute, the outbound interface of the static route is NULL0 regardless of the configured next hop address. Any IP packets to the destination are discarded and are not notified to the source host. When the network is attacked, you can configure a blackhole route to discard the packets destined for the destination address.
I hope it helps!
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All Answers
DDSN
DDSN Admin Created Apr 26, 2020 08:38:17

Hello WDNJSQ.
This is a blackhole route.
Blackhole route: When the static route to a destination has the blackhole attribute, the outbound interface of the static route is NULL0 regardless of the configured next hop address. Any IP packets to the destination are discarded and are not notified to the source host. When the network is attacked, you can configure a blackhole route to discard the packets destined for the destination address.
I hope it helps!
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  • x
  • convention:

ViktorJr
ViktorJr Created Apr 27, 2020 14:44:31

It's a blackhole route. Commonly we don't use it.
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