I hope it's not hardware as I can't get service on the Solaris box.... I am trying to use ndd but the /dev/elx driver does not work with NDD AFIK. I have tried several TCP tuning options but still keep locking up the Solaris network stack:
rmem_default=32768 rmem_max=65536 tcp_window_scaling=0 tcp_sack=0 tcp_fack=0
Thanks, -- Wade Hampton
On 03/28/2010 02:07 AM, Wade Hampton wrote:
I hope it's not hardware as I can't get service on the Solaris box.... I am trying to use ndd but the /dev/elx driver does not work with NDD AFIK. I have tried several TCP tuning options but still keep locking up the Solaris network stack:
rmem_default=32768 rmem_max=65536 tcp_window_scaling=0 tcp_sack=0 tcp_fack=0
Have you tried setting tcp_window_scaling=16? Or, another number? There is a problem in TCP/IP stack when the remote side advertises 0 as the window scaling.
I think it's something much more basic.
I have a lot more experience on Solaris, so if you like, email me your /var/adm/messages file and I'll have a look.
Some things you can check from the solaris box...
ping -s default_gateway_ip see if you're getting any packet loss. netstat -nr see if you're noticing any network errors.
On 27 March 2010 17:59, Ed Greshko Ed.Greshko@greshko.com wrote:
On 03/28/2010 02:07 AM, Wade Hampton wrote:
I hope it's not hardware as I can't get service on the Solaris box.... I am trying to use ndd but the /dev/elx driver does not work with NDD AFIK. I have tried several TCP tuning options but still keep locking up the Solaris network stack:
rmem_default=32768 rmem_max=65536 tcp_window_scaling=0 tcp_sack=0 tcp_fack=0
Have you tried setting tcp_window_scaling=16? Or, another number? There is a problem in TCP/IP stack when the remote side advertises 0 as the window scaling.
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Ed Greshko -
Luis Costabile -
Wade Hampton