Subject: Re: 3/50 Ethernet speed
To: None <gwr@mc.com>
From: Scott J. Ellentuch <tuc@valhalla.stormking.com>
List: port-sun3
Date: 05/30/1995 12:07:07
In Gordon W. Ross's own words (And I ">_") :
>
> > From: "Scott J. Ellentuch" <tuc@valhalla.stormking.com>
> > Date: Tue, 30 May 1995 08:59:39 -0400 (EDT)
>
> > Hi all,
> >
> > My box that I was playing with NetBSD is still down, still no
> > answers from anyone here. However, in the mean time, I checked on something
> > on my other box running 4.1.1 . I was given an Ethernet speed checking
> > program. To make a long story short, my throughput was about 2Mb/sec.
> > Is there something SERIOUSLY wrong with this box, or should I really be
> > expecting that?
> >
> > Scott
>
> What do the interface statistics show on the two machines? The
> SunOS/sun3 "le" driver can not receive "back-to-back" packets...
>
ip:
76988 total packets received
0 bad header checksums
0 with size smaller than minimum
0 with data size < data length
0 with header length < data size
0 with data length < header length
0 fragments received
0 fragments dropped (dup or out of space)
0 fragments dropped after timeout
0 packets forwarded
0 packets not forwardable
0 redirects sent
0 ip input queue drops
icmp:
5 calls to icmp_error
0 errors not generated 'cuz old message too short
0 errors not generated 'cuz old message was icmp
Output histogram:
echo reply: 15
destination unreachable: 5
0 messages with bad code fields
0 messages < minimum length
0 bad checksums
0 messages with bad length
Input histogram:
echo: 15
15 message responses generated
tcp:
60288 packets sent
27464 data packets (17345692 bytes)
325 data packets (30750 bytes) retransmitted
9540 ack-only packets (8425 delayed)
0 URG only packets
8 window probe packets
21655 window update packets
1296 control packets
75028 packets received
19984 acks (for 17323547 bytes)
884 duplicate acks
0 acks for unsent data
61971 packets (67634515 bytes) received in-sequence
20 completely duplicate packets (31 bytes)
0 packets with some dup. data (0 bytes duped)
508 out-of-order packets (58488 bytes)
6 packets (6 bytes) of data after window
6 window probes
151 window update packets
1 packet received after close
280 discarded for bad checksums
0 discarded for bad header offset fields
0 discarded because packet too short
460 connection requests
393 connection accepts
849 connections established (including accepts)
862 connections closed (including 9 drops)
17 embryonic connections dropped
19120 segments updated rtt (of 19874 attempts)
314 retransmit timeouts
0 connections dropped by rexmit timeout
8 persist timeouts
0 keepalive timeouts
0 keepalive probes sent
0 connections dropped by keepalive
udp:
0 incomplete headers
0 bad data length fields
0 bad checksums
0 socket overflows
--
* --- --- |Scott J. Ellentuch, Pres | The Telecom Security Group *
* | | | |Comm. and Comp. Security | (Storm King family of Companies) *
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