[FUG-BR] freebsd 8.2 - tuning de rede
kmkz bleh
jsibsd em gmail.com
Sexta Março 11 11:23:59 BRT 2011
Tenho ainda o seguinte, que creio poderá ajudar:
gw# netstat -s
tcp:
31195 packets sent
14892 data packets (3236025 bytes)
24 data packets (3417 bytes) retransmitted
5 data packets unnecessarily retransmitted
0 resends initiated by MTU discovery
15357 ack-only packets (3043 delayed)
0 URG only packets
0 window probe packets
4 window update packets
918 control packets
50425 packets received
13669 acks (for 3236988 bytes)
60 duplicate acks
0 acks for unsent data
28773 packets (21583175 bytes) received in-sequence
24 completely duplicate packets (6258 bytes)
0 old duplicate packets
0 packets with some dup. data (0 bytes duped)
0 out-of-order packets (0 bytes)
0 packets (0 bytes) of data after window
0 window probes
7 window update packets
755 packets received after close
2315 discarded for bad checksums
0 discarded for bad header offset fields
0 discarded because packet too short
0 discarded due to memory problems
34 connection requests
859 connection accepts
0 bad connection attempts
0 listen queue overflows
0 ignored RSTs in the windows
891 connections established (including accepts)
888 connections closed (including 15 drops)
0 connections updated cached RTT on close
0 connections updated cached RTT variance on close
0 connections updated cached ssthresh on close
0 embryonic connections dropped
11681 segments updated rtt (of 12336 attempts)
23 retransmit timeouts
0 connections dropped by rexmit timeout
0 persist timeouts
0 connections dropped by persist timeout
0 Connections (fin_wait_2) dropped because of timeout
1 keepalive timeout
1 keepalive probe sent
0 connections dropped by keepalive
571 correct ACK header predictions
27243 correct data packet header predictions
866 syncache entries added
12 retransmitted
6 dupsyn
0 dropped
859 completed
0 bucket overflow
0 cache overflow
5 reset
2 stale
0 aborted
0 badack
0 unreach
0 zone failures
866 cookies sent
0 cookies received
3 SACK recovery episodes
3 segment rexmits in SACK recovery episodes
152 byte rexmits in SACK recovery episodes
21 SACK options (SACK blocks) received
0 SACK options (SACK blocks) sent
0 SACK scoreboard overflow
0 packets with ECN CE bit set
0 packets with ECN ECT(0) bit set
0 packets with ECN ECT(1) bit set
0 successful ECN handshakes
0 times ECN reduced the congestion window
udp:
2028890 datagrams received
0 with incomplete header
0 with bad data length field
325 with bad checksum
567 with no checksum
120167 dropped due to no socket
12464 broadcast/multicast datagrams undelivered
0 dropped due to full socket buffers
0 not for hashed pcb
1895934 delivered
1897868 datagrams output
0 times multicast source filter matched
ip:
356136822 total packets received
3 bad header checksums
0 with size smaller than minimum
3 with data size < data length
0 with ip length > max ip packet size
0 with header length < data size
0 with data length < header length
0 with bad options
0 with incorrect version number
0 fragments received
0 fragments dropped (dup or out of space)
0 fragments dropped after timeout
0 packets reassembled ok
2110620 packets for this host
1529 packets for unknown/unsupported protocol
349766702 packets forwarded (0 packets fast forwarded)
60184 packets not forwardable
0 packets received for unknown multicast group
0 redirects sent
2018124 packets sent from this host
0 packets sent with fabricated ip header
11188 output packets dropped due to no bufs, etc.
37905 output packets discarded due to no route
603666 output datagrams fragmented
3182271 fragments created
0 datagrams that can't be fragmented
0 tunneling packets that can't find gif
1354 datagrams with bad address in header
icmp:
57497 calls to icmp_error
1383 errors not generated in response to an icmp message
Output histogram:
echo reply: 23587
destination unreachable: 44059
time exceeded: 12054
0 messages with bad code fields
0 messages less than the minimum length
1408 messages with bad checksum
0 messages with bad length
2 multicast echo requests ignored
0 multicast timestamp requests ignored
Input histogram:
echo reply: 6564
destination unreachable: 2498
echo: 23602
time exceeded: 169
23587 message responses generated
0 invalid return addresses
0 no return routes
ICMP address mask responses are disabled
pfsync:
0 packets received (IPv4)
0 packets received (IPv6)
0 packets discarded for bad interface
0 packets discarded for bad ttl
0 packets shorter than header
0 packets discarded for bad version
0 packets discarded for bad HMAC
0 packets discarded for bad action
0 packets discarded for short packet
0 states discarded for bad values
0 stale states
0 failed state lookup/inserts
0 packets sent (IPv4)
0 packets sent (IPv6)
0 send failed due to mbuf memory error
0 send error
arp:
58112 ARP requests sent
28851 ARP replies sent
44500 ARP requests received
3397 ARP replies received
47897 ARP packets received
39805 total packets dropped due to no ARP entry
26053 ARP entrys timed out
0 Duplicate IPs seen
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