The machines are connected by swich and JUMBO is enabled on switch ProCurve Switch 6400cl-6XG# show vlan 1
Status and Counters - VLAN Information - Ports - VLAN 1 802.1Q VLAN ID : 1 Name : DEFAULT_VLAN Status : Port-based Voice : No Jumbo : Yes Port Information Mode Unknown VLAN Status ---------------- -------- ------------ ---------- 1 Untagged Learn Up 2 Untagged Learn Up 3 Untagged Learn Down 4 Untagged Learn Down 5 Untagged Learn Down 6 Untagged Learn Down Zhihui 2008/6/25, Samuel Tu <[EMAIL PROTECTED]>: > > Hi Zhihui, > > Are the adapters connected back to back or through switch. It it's > switch, Please check the setting of the switch. > > Thanks, > Samuel > > zhihui Chen wrote: > > I am not sure what the bug 6716683 means. But even if I send out big-size >> (4096) packet and MTU is set to 8000, the packet is still split to small >> packet, why? >> intel5# ifconfig ixgbe0 >> ixgbe0: flags=201000843<UP,BROADCAST,RUNNING,MULTICAST,IPv4,CoS> mtu 8000 >> index 6 >> inet 10.0.7.5 <http://10.0.7.5> netmask ffffff00 broadcast >> 10.0.7.255 <http://10.0.7.255> >> ether 0:30:48:94:62:e6 >> intel5#netperf -H intel3-7 -l 30 -t TCP_STREAM -- -m 4096 >> intel5#snoop -d ixgbe0 to host intel3-7 >> ....... >> intel5-7 -> intel3-7 TCP D=63923 S=43515 Ack=4133836232 >> Seq=1820833814 Len=1460 Win=56940 >> intel5-7 -> intel3-7 TCP D=63923 S=43515 Ack=4133836232 >> Seq=1820835274 Len=1460 Win=56940 >> intel5-7 -> intel3-7 TCP D=63923 S=43515 Ack=4133836232 >> Seq=1820836734 Len=1176 Win=56940 >> intel5-7 -> intel3-7 TCP D=63923 S=43515 Ack=4133836232 >> Seq=1820837910 Len=1460 Win=56940 >> intel5-7 -> intel3-7 TCP D=63923 S=43515 Ack=4133836232 >> Seq=1820839370 Len=1460 Win=56940 >> intel5-7 -> intel3-7 TCP D=63923 S=43515 Ack=4133836232 >> Seq=1820840830 Len=1176 Win=56940 >> ........ >> >> zhihui >> 2008/6/25, Paul Guo - SUN ERI - Beijing China <[EMAIL PROTECTED] <mailto: >> [EMAIL PROTECTED]>>: >> >> I guess you now hit the bug 6716683. >> http://bugs.opensolaris.org/view_bug.do?bug_id=6716683 >> ixgbe tx could send package larger than max_frame_size >> >> This bug sometimes causes traffic problems when a large >> packet is passed to the driver (e.g jumbo frame or lso frame). >> There is no workaround for it, but I will put-back the fix >> along with the lso support soon. >> >> Thanks, >> Paul >> > Thanks, I have used your method to set the MTU to 8000, but big >> issues >> > rise up >> > (1) Ping with msgsize>1476 will not work. >> > (2) Ping with msgsize<=1476 works, but the latency become longer. >> > (3) Netperf testing can not be executed. Even if I kill the netperf >> > process, status of socket created by netperf still remains >> > "ESTABLIBSHED", I think "FIN" packet have not been sent out >> > successfully by each other. >> > Thanks, >> > Zhihui >> > >> > 2008/6/24, Paul Guo - SUN ERI - Beijing China <[EMAIL PROTECTED] >> <mailto:[EMAIL PROTECTED]> >> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>: >> > >> > You can set default_mtu in /kernel/drv/ixgbe.conf to enable >> jumbo >> > frame. >> > Please remember to rem_drv/add_drv or update_drv to make it >> to become >> > effective. >> > Currently we are working on adding/enabling/tuning more >> features (such >> > as LSO/TSO, multiple >> > rings, etc) which will eventually increase the performance >> > greatly. Stay >> > tuned. >> > >> > -Paul >> > >> > > Why the maximum MTU for ixgbe is only 1500, same to e1000g? >> > > With 1500 mtu, the maximum throughput using netperf for 10G >> > network is >> > > less than 3Gbit/s >> > > >> > > >> > > 2008/6/23, Samuel Tu <[EMAIL PROTECTED] >> <mailto:[EMAIL PROTECTED]> >> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> >> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> >> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>>: >> > > >> > > Glad to know it works. We're go on the development with more >> > features >> > > supporting. The LSO supporting is coming. >> > > >> > > Thanks, >> > > Samuel >> > > >> > > zhihui Chen wrote: >> > > >> > > Thanks a lot. it works now and I can ping from this machine to >> > > another machine with another same-type adapter. We will make a >> > > detail perfomance testing in next few weeks. >> > > Zhihui >> > > >> > > >> > > 2008/6/23, zhihui Chen <[EMAIL PROTECTED] >> <mailto:[EMAIL PROTECTED]> <mailto:[EMAIL PROTECTED] >> <mailto:[EMAIL PROTECTED]>> >> > > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> >> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>> >> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> >> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> >> > > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> >> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>>>: >> > > >> > > Thank Samuel. I have tried the "add_drv" command and each >> time it >> > > prints following information: >> > > ("ixgbe") already in use as a driver or alias. >> > > But I use "modinfo | grep ixgbe" can not find it. >> > > What is the problem? >> > > Zhihui >> > > >> > > 2008/6/23, Samuel Tu <[EMAIL PROTECTED] >> <mailto:[EMAIL PROTECTED]> <mailto:[EMAIL PROTECTED] >> <mailto:[EMAIL PROTECTED]>> >> > > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> >> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>> >> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> >> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> >> > > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> >> <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>>>: >> > > >> > > >> > > Hi Zhihui, >> > > >> > > Intel 82598EB (Oplin) is supported by ixgbe which has been >> > > integrated >> > > into snv_90. The pci ids supported by the current driver are: >> > > "pciex8086,10c6" >> > > "pciex8086,10c7" >> > > >> > > The CX4 adapter can also be supported by it but we've not add >> > > it it >> > > since we've not verified it on such adapter. >> > > >> > > To make it work, Please manually config it: >> > > 1) add_drv -i '"pciex8086,10dd" ixgbe >> > > 2) ifconfig ixgbe_# plumb up >> > > >> > > Please let me know the result. >> > > >> > > Thanks, >> > > Samuel >> > > >> > > zhihui Chen wrote: >> > > >> > > I have one 10G network adapter (Intel 82598EB) in my >> > > machine. But after installation of SNV_91, I can not find >> > > this adapter through "dladm show-dev". Following is the >> > > output of "dladm show-dev" and "scanpci" >> > > >> > > intel5# dladm show-dev >> > > LINK STATE SPEED DUPLEX >> > > e1000g0 up 1000Mb full >> > > e1000g1 up 1000Mb full >> > > intel5#/usr/X11R6/bin/scanpci >> > > ...... >> > > pci bus 0x0008 cardnum 0x00 function 0x00: vendor 0x8086 >> > > device 0x10dd >> > > Intel Corporation 82598EB 10 Gigabit AT CX4 Network Connection >> > > pci bus 0x0008 cardnum 0x00 function 0x01: vendor 0x8086 >> > > device 0x10dd >> > > Intel Corporation 82598EB 10 Gigabit AT CX4 Network Connection >> > > ...... >> > > >> > > anyone can tell me how to config my system to find the >> adapter? >> > > >> > > Thanks, >> > > Zhihui >> > > >> > > >> > > >> > >> ------------------------------------------------------------------------ >> > > >> > > _______________________________________________ >> > > networking-discuss mailing list >> > > [email protected] >> <mailto:[email protected]> >> > <mailto:[email protected] >> <mailto:[email protected]>> >> > > <mailto:[email protected] >> <mailto:[email protected]> >> > <mailto:[email protected] >> <mailto:[email protected]>>> >> > > <mailto:[email protected] >> <mailto:[email protected]> >> > <mailto:[email protected] >> <mailto:[email protected]>> >> > > <mailto:[email protected] >> <mailto:[email protected]> >> > <mailto:[email protected] >> <mailto:[email protected]>>>> >> > > >> > > >> > > >> > > >> > > -- zhihui >> > > Intel OpenSolaris Team >> > > >> > > >> > > >> > > -- >> > > zhihui >> > > Intel OpenSolaris Team >> > > >> > > >> > > >> > > >> > > -- >> > > zhihui >> > > Intel OpenSolaris Team >> > > >> > >> ------------------------------------------------------------------------ >> > > >> > > _______________________________________________ >> > > networking-discuss mailing list >> > > [email protected] >> <mailto:[email protected]> >> > <mailto:[email protected] >> <mailto:[email protected]>> >> > > >> > >> > >> > >> > >> > -- >> > zhihui >> > Intel OpenSolaris Team >> >> >> >> >> -- >> zhihui >> Intel OpenSolaris Team >> > -- zhihui Intel OpenSolaris Team
_______________________________________________ networking-discuss mailing list [email protected]
