ip route show cache
Two questions:
I thought that the routing cache didn't exist any more, but I found it in Debian Bullseye. So there is a routing cache again? Now I'm wondering why does the routing cache show lots of entries for exactly the same source and destination. Does every SYN put an entry into the routing cache? If so, why do all the entries for the same source and destination have the same expiry time? |
Yeah, it was removed in 3.6, I think. It had a really bad performance and security issues. Its average hit rate was around 10%. Source.
According to the man page, Quote:
As for the same source and destination address, I have no idea. |
Kernel is > 3.6
Quote:
ip route show cache right now it has 8546 lines with entries like Quote:
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