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Vieux 08/11/2006, 09h46   #7
chrisg@warpspeed.com.au
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Par défaut Re: Very slow transfers under AIX 5.3

Ian Northeast wrote:
> On Tue, 07 Nov 2006 03:57:28 -0800, chrisg wrote:
>
> > Hi All,
> > I've got SSH/SSL (OpenSSH_4.3p2, OpenSSL 0.9.7l 28 Sep 2006)
> > running under AIX 5.3 (TL5, SP3). It is running on a 9112-265 with 2.5Gb
> > RAM and runs nicely.
> >
> > Logging on takes no time what so ever. Sub second.
> >
> > The machine is connected to the Lan at 100Mb/s (verified from
> > entstat).

>
> What does entstat say about the duplex setting?
>
> It's fairly common for managed switch ports to be fixed at 100Mb/s full
> duplex. If this is the case the setting in AIX has to match. If AIX is set
> to autonegotiate it'll end up at 100Mb/s half duplex. If it shows as half
> duplex, try changing it to fixed 100Mb/s full.


Sorry, I thought that I'd said that (I didn't).

It is at full duplex.

# entstat -d en0
-------------------------------------------------------------
ETHERNET STATISTICS (en0) :
Device Type: IBM 10/100 Mbps Ethernet PCI Adapter (23100020)
Hardware Address: 00:02:55:76:1e:10
Elapsed Time: 0 days 21 hours 43 minutes 43 seconds

Transmit Statistics: Receive Statistics:
-------------------- -------------------
Packets: 488348 Packets: 693062
Bytes: 58246279 Bytes: 293541191
Interrupts: 305 Interrupts: 688495
Transmit Errors: 0 Receive Errors: 0
Packets Dropped: 4 Packets Dropped: 709
Bad Packets: 0
Max Packets on S/W Transmit Queue: 34
S/W Transmit Queue Overflow: 0
Current S/W+H/W Transmit Queue Length: 1

Broadcast Packets: 293 Broadcast Packets: 191719
Multicast Packets: 5 Multicast Packets: 0
No Carrier Sense: 0 CRC Errors: 709
DMA Underrun: 0 DMA Overrun: 0
Lost CTS Errors: 0 Alignment Errors: 0
Max Collision Errors: 0 No Resource Errors: 0
Late Collision Errors: 0 Receive Collision Errors:
0
Deferred: 0 Packet Too Short Errors:
0
SQE Test: 0 Packet Too Long Errors: 0
Timeout Errors: 0 Packets Discarded by
Adapter: 0
Single Collision Count: 0 Receiver Start Count: 0
Multiple Collision Count: 0
Current HW Transmit Queue Length: 1

General Statistics:
-------------------
No mbuf Errors: 0
Adapter Reset Count: 0
Adapter Data Rate: 200
Driver Flags: Up Broadcast Running
Simplex AlternateAddress 64BitSupport
PrivateSegment DataRateSet

IBM 10/100 Mbps Ethernet PCI Adapter Specific Statistics:
------------------------------------------------
Chip Version: 26
RJ45 Port Link Status : up
Media Speed Selected: 100 Mbps Full Duplex
Media Speed Running: 100 Mbps Full Duplex
Receive Pool Buffer Size: 384
No Receive Pool Buffer Errors: 0
Inter Packet Gap: 96
Adapter Restarts due to IOCTL commands: 4
Packets with Transmit collisions:
1 collisions: 0 6 collisions: 0 11 collisions: 0
2 collisions: 0 7 collisions: 0 12 collisions: 0
3 collisions: 0 8 collisions: 0 13 collisions: 0
4 collisions: 0 9 collisions: 0 14 collisions: 0
5 collisions: 0 10 collisions: 0 15 collisions: 0
Excessive deferral errors: 0x0
#

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