Date: Tue, 22 Jan 2008 17:11:40 -0200 From: "Leandro Malaquias" <lm.net.security@gmail.com> To: freebsd-pf@freebsd.org Subject: No buffer space available Message-ID: <8142b02f0801221111v35de1643odc5846c840f0144c@mail.gmail.com>
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Hello everyone, This is my problem, my firewall is losing to many packets, below you will see the result of a simple ping. - RESULT of ping ======= [root@xxxx]# ping 192.168.0.1 PING 192.168.0.1 (192.168.0.1): 56 data bytes ping: sendto: No buffer space available 64 bytes from 192.168.0.1: icmp_seq=1 ttl=30 time=33.868 ms 64 bytes from 192.168.0.1: icmp_seq=2 ttl=30 time=33.573 ms 64 bytes from 192.168.0.1: icmp_seq=3 ttl=30 time=3.880 ms 64 bytes from 192.168.0.1: icmp_seq=4 ttl=30 time=54.057 ms ping: sendto: No buffer space available 64 bytes from 192.168.0.1: icmp_seq=6 ttl=30 time=78.320 ms ping: sendto: No buffer space available 64 bytes from 192.168.0.1: icmp_seq=8 ttl=30 time=47.838 ms 64 bytes from 192.168.0.1: icmp_seq=9 ttl=30 time=47.046 ms 64 bytes from 192.168.0.1: icmp_seq=10 ttl=30 time=2.992 ms 64 bytes from 192.168.0.1: icmp_seq=11 ttl=30 time=65.535 ms 64 bytes from 192.168.0.1: icmp_seq=12 ttl=30 time=90.268 ms ^C --- 192.168.0.1 ping statistics --- 13 packets transmitted, 10 packets received, 23% packet loss ========= EOF - RESULT of netstat -m ========== [root@xxxx /usr/ports/net/mtr]# netstat -m 968/1342/2310 mbufs in use (current/cache/total) 932/1358/2290/25600 mbuf clusters in use (current/cache/total/max) 656/752 mbuf+clusters out of packet secondary zone in use (current/cache) 0/0/0/0 4k (page size) jumbo clusters in use (current/cache/total/max) 0/0/0/0 9k jumbo clusters in use (current/cache/total/max) 0/0/0/0 16k jumbo clusters in use (current/cache/total/max) 2106K/3051K/5157K bytes allocated to network (current/cache/total) 0/0/0 requests for mbufs denied (mbufs/clusters/mbuf+clusters) 0/0/0 requests for jumbo clusters denied (4k/9k/16k) 0/8/6656 sfbufs in use (current/peak/max) 0 requests for sfbufs denied 0 requests for sfbufs delayed 0 requests for I/O initiated by sendfile 0 calls to protocol drain routines =========== EOF I have raised the value of: kern.ipc.nmbclusters and kern.ipc.nmbufs, but I haven't tested it yet cause I have to reboot my firewall, does anyone have any other ideas? -- Leandro Malaquias Linux are for those who hate Windows BSD are for those who love Unix # echo '[q]sa[ln0=aln256%Pln256/snlbx]sb3135071790101768542287578439snlbxq'|dc
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