Hello, On Mon, 28 Oct 2002, Martin A. Brown wrote: > - If there is no routing cache entry, we continue with route selection > by consulting the RPDB and routing tables. > > 1 start traversing the RPDB at the highest priority > 2 keep traversing the RPDB for the next matching entry Lookup the list with ip rules and match by using the following keys: - dest - src - tos (optional) - fwmark (optional) - iif (optional) > 3 when a match is found, try to find a match for the destination > in the designated table In the designated table lookup for routes by using the following keys: - dest - tos - scope - oif (optional) > So, my question: > > Is the routing cache actually keyed on the above items? If I understand > Arthur's post of last Friday properly Yes, you listed the cache keys correctly. > (http://mailman.ds9a.nl/pipermail/lartc/2002q4/005641.html), he's > suggesting that the keys in the routing cache are src, dest, and tos. > My empirical evidence: I know I'm using fwmark routing on a particular > host, and packets are transmitted out the "correct" interfaces when I > generate traffic for all of the fwmark'd routes. What confuses me is the > output of "ip route show cache ip.ad.dr.es". There is no reference > whatsoever to fwmark in this output. May be for compatibility reasons the fwmark is not listed in the route cache entries. > Can somebody confirm (as the evidence suggests) that the routing cache is > keyed on the above five elements? Yes, this is my understanding reading the sources > -Martin Regards -- Julian Anastasov <ja@ssi.bg> _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
