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SubjectVM tuning for Linux routers

I have a dual Athlon w/ 512M RAM and three NICs (one gigabit
3c985B running 802.1Q with 5 VLANs, two on-board 100Mbit 3c982). This box
has almost nothing other to do apart from routing and packet filtering.
Is there anything I can do to tell the VM system to use as much memory
for network packets as possible?

I haven't got time to measure the throughput at gigabit speeds
yet, but I wonder if there is a way to tell the kernel "this box does
routing/firewalling, and almost nothing else".


| Jan "Yenya" Kasprzak <kas at { - work | - private}> |
| GPG: ID 1024/D3498839 Fingerprint 0D99A7FB206605D7 8B35FCDE05B18A5E |
| Czech Linux Homepage: |
#include <stdio.h>
int main(void) { printf("\t\b\b"); return 0; }
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