Thanks Tom El mar., 25 sept. 2018 a las 17:18, Tom Eastep (<teas...@shorewall.net>) escribió:
> On 09/25/2018 03:17 AM, Pepe Charli wrote: > > Hi, > > > > In "5.1.11.1 Release Notes" said: > > > > "4) Now that the route caches have been removed from the kernel, ......" > > > > What does this mean? > > > > Originally, the IPv4 stack would cache the result of a route lookup in a > hash table such that subsequent packets belonging to the same flow could > be routed based on a simple cache lookup. The cache was removed from the > IPv4 stack in kernel version 3.6. The IPv6 stack still uses a form of > caching, but keeps the cached entries in the same tree structure used to > store the IPv6 routing table. Beginning with kernel version 4.2, only > routes with PMTU exceptions are cached, which means that the vast > majority of lookup results are not cached (see > https://vincent.bernat.ch/en/blog/2017-ipv6-route-lookup-linux). You can > see such cached routes using the command 'ip route ls table cache'. > > -Tom > -- > Tom Eastep \ Q: What do you get when you cross a mobster with > Shoreline, \ an international standard? > Washington, USA \ A: Someone who makes you an offer you can't > http://shorewall.org \ understand > \_______________________________________________ > > _______________________________________________ > Shorewall-users mailing list > Shorewall-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/shorewall-users >
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