Hi Philippe,
Regarding the MTU, I need to update the think thin blog with what I have
on the ThinGuy blog, but yes, add 28 to the final number for the "real"
MTU. The size difference is just overhead of doing the ping.
On 5/17/11 6:16 AM, Philippe Bourdeu d'Aguerre wrote:
Le lundi 16 mai 2011, Craig Bender a écrit :
-Note if settings /etc/system like 'set hires_tick=1' are enabled.
I have no such thing (I am on CentOS)
-Any settings in the parms files (if used)
No.
-Provide a utquery of DTUs exhibiting this behavior
utquery 172.16.102.173
terminalID=00144f575055
terminalIPA=172.16.102.173
model=SunRayP8
currentAuth=172.16.102.20
currentFW=4.3_50_2011.04.22.22.07
currentBarrier=430
currentBarrierLevel=430
currentMTU=1472
currentLease=65842
Subnet=255.255.255.0
Router=172.16.102.20
MTU=1472
Broadcst=172.16.102.255
LeaseTim=86400
DHCPServer=172.16.102.20
AuthSrvr=172.16.102.20
AuthPort=7009
LogHost=172.16.100.20
FwSrvr=172.16.102.20
NewTVer=4.3_50_2011.04.22.22.07
FWservType=FWSrvr
speed=100F
parmsVersion=4.3_50_2011.04.22.22.07
parmsBarrier=430
configMTU=1472
AltAuth=172.16.102.20,255.255.255.255
confEnabled=0
stopqon=0
bandwidth=100000000
cmdcachesize=512
-Describe the network, both on server and client side
DTU are connected through a dedicated network and a dedicated interface on the
servers with a 100Mb switch.
-Any packet loss detected with utcapture
No.
utcapture 00144f575055
# TERMINALID TIMESTAMP TOTAL PACKET TOTAL LOSS BYTES SENT PERCENT
LOSS LATENCY
00144f575055 20110517151024 1217121 0 1433052222
-MTU settings agreed upon between server and client...and whether that
matches a ping test for max MTU
(http://blogs.oracle.com/ThinkThin/entry/the_importance_of_mtu)
I follow this tutorial and it was a mismatch. I changed MTU from 1500 to 1472,
restart dhcpd and DTU but I didn't notice any progress.
I will try Thomas Fuerle trick by downgrading firmware.
Thank you for you help.
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