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what does value 0,1,2 mean for rp_filter
Hi i'm using ubuntu 12.04,
cannot find the info on rp_filter yet.
Q1: what does 0/1/2 mean for this value ?
Q2: now in my sysctl,
net.ipv4.conf.all.rp_filter = 1
net.ipv4.conf.default.rp_filter = 1
net.ipv4.conf.lo.rp_filter = 1
net.ipv4.conf.eth0.rp_filter = 1
net.ipv4.conf.eth1.rp_filter = 1
will the value for eth0.rp_filter overwrites the one for all.rp_filter ?
Q3: where should i find the detailed info for these ?
Thanks a lot !
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