On Tue, 25 Oct 2005, Radu Oprisan wrote:
Ma confrunt si eu cu o problema sub forma erorilor, pachetelor dropate si a
overrun-urilor din paste-ul de mai jos:
Erori: nasol, scarmana sirmele sau placa de retea;
Pachete dropate: faci qos pe interfata aia? Pachetele care iti
sint dropate in qdisc-uri iti incrementeaza acel counter, inclusiv
pachetele dropate de iptables -j DROP;
Overruns: faci vreun tunel si ai mtu-ul prea mare pe acolo?
ip_conntrack: table full, dropping packet.
ip_conntrack: table full, dropping packet.
ip_conntrack: table full, dropping packet.
ip_conntrack: table full, dropping packet.
ip_conntrack: table full, dropping packet.
ip_conntrack: table full, dropping packet.
ip_conntrack: table full, dropping packet.
ip_conntrack: table full, dropping packet.
ip_conntrack: table full, dropping packet.
Si de aici iti pot apare pachete dropate. In tabela ce
connection tracking nu mai ai loc.
cu tot cu:
echo 65535 > /proc/sys/net/ipv4/ip_conntrack_max
Pai daca ai 70000 de flow-uri poti sa faci ce vrei tu in
ip_conntrack_max, nu rezolvi. Probabil ai vreo rabla prin reteaua locala
care floodeaza sau esti tu floodat din exterior.
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