[Oisf-users] What does it means??

[C. L. Martinez]

On Wed, Oct 9, 2013 at 2:33 PM, Peter Manev <petermanev at gmail.com> wrote:
> On Wed, Oct 9, 2013 at 4:31 PM, C. L. Martinez <carlopmart at gmail.com> wrote:
>> On Wed, Oct 9, 2013 at 2:24 PM, Peter Manev <petermanev at gmail.com> wrote:
>>>>
>>>> Yes, and It doesn't drops packets. For example, for udp:
>>>>
>>>> udp:
>>>>     6533535 datagrams received
>>>>     0 with incomplete header
>>>>     0 with bad data length field
>>>>     0 with bad checksum
>>>>     29 with no checksum
>>>>     13 dropped due to no socket
>>>>     0 broadcast/multicast datagrams undelivered
>>>>     0 dropped due to full socket buffers
>>>>     0 not for hashed pcb
>>>>     6533522 delivered
>>>>     157 datagrams output
>>>>     0 times multicast source filter matched
>>>
>>> And what is the same output for the IDS box?
>>>
>>
>> Nop, it is very different:
>>
>> udp:
>>     5431123 datagrams received
>>     0 with incomplete header
>>     0 with bad data length field
>>     8765 with bad checksum
>>     453 with no checksum
>>     12232 dropped due to no socket
>>     0 broadcast/multicast datagrams undelivered
>>     0 dropped due to full socket buffers
>>    ....
>>
>> And here is where I see the problem ... but if problem are not
>> interrupts ... I don't know where it is ..
>
> This is UDP ... how about TCP ?
>

Here it is:

tcp:
    14996 packets sent
        1332 data packets (193400 bytes)
        0 data packets (0 bytes) retransmitted
        0 data packets unnecessarily retransmitted
        0 resends initiated by MTU discovery
        20829 ack-only packets (19 delayed)
        0 URG only packets
        0 window probe packets
        31 window update packets
        2615 control packets
    10104 packets received
        1337 acks (for 193421 bytes)
        11 duplicate acks
        0 acks for unsent data
        1109 packets (158370 bytes) received in-sequence
        1 completely duplicate packet (0 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
        5 window update packets
        0 packets received after close
        0 discarded for bad checksums
        0 discarded for bad header offset fields
        0 discarded because packet too short
        0 discarded due to memory problems
    2602 connection requests
    10 connection accepts
    0 bad connection attempts
    0 listen queue overflows
    0 ignored RSTs in the windows
    15 connections established (including accepts)
    2628 connections closed (including 0 drops)
        11 connections updated cached RTT on close
        11 connections updated cached RTT variance on close
        2 connections updated cached ssthresh on close
    2592 embryonic connections dropped
    1334 segments updated rtt (of 3774 attempts)
    20743 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
    2592 keepalive timeouts
        0 keepalive probes sent
        2592 connections dropped by keepalive
    985 correct ACK header predictions
    939 correct data packet header predictions
    10 syncache entries added
        0 retransmitted
        0 dupsyn
        0 dropped
        10 completed
        0 bucket overflow
        0 cache overflow
        0 reset
        0 stale
        0 aborted
        0 badack
        0 unreach
        0 zone failures
    10 cookies sent
    0 cookies received
    6 hostcache entries added
        0 bucket overflow
    0 SACK recovery episodes
    0 segment rexmits in SACK recovery episodes
    0 byte rexmits in SACK recovery episodes
    0 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