Messages in this thread | | | Date | Fri, 4 May 2007 16:02:01 +0200 | From | Paul Slootman <> | Subject | Re: Routing 600+ vlan's via linux problems (looks like arp problems) |
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Øyvind Vågen Jægtnes <lorrides@gmail.com> wrote: > >Yes, i was suspecting that the arp cache got full, but i will try >increasing it :) >Would there be any huge bugs if i change these lines in arp.c: > > .gc_thresh1 = 128, > .gc_thresh2 = 512, > >to > > .gc_thresh1 = 700, > .gc_thresh2 = 700, > >under the definition for struct arp_tbl?
Why not simply update the /proc/sys values? No need to recompile the kernel..... We have this in the /etc/sysctl.conf for our firewall:
net/ipv4/neigh/default/gc_thresh1=32768 net/ipv4/neigh/default/gc_thresh2=65536 net/ipv4/neigh/default/gc_thresh3=262144 net/ipv4/route/gc_elasticity=8 net/ipv4/route/gc_interval=30 net/ipv4/route/gc_min_interval=2
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