Re: [CentOS] Network tuning for working with very old Solaris

2010-03-28 Thread Drew
> FWIW, I *never* liked 3Com adapters, I never understood why they were so > popular with the PC crowd. My fiddling with PC networking goes as far back as '98 and Novell Netware 3.13/4.0. Back then I recall a lot of Netware folks telling my to buy nothing but 3Com as their networking gear was supp

Re: [CentOS] Network tuning for working with very old Solaris

2010-03-27 Thread Kahlil Hodgson
On 03/28/2010 05:04 AM, Wade Hampton wrote: >> me, I'd get on the console (most Sparc's newer than about 10 years old >> have a ALOM or RSC or whatever remote console module you can telnet or >> ssh to, older ones were almost all serial console, which is typically >> connected to a cyclades type co

Re: [CentOS] Network tuning for working with very old Solaris

2010-03-27 Thread Wade Hampton
Thanks. I'll try it on Monday when I get back to the machine. On Sat, Mar 27, 2010 at 2:45 PM, John R Pierce wrote: > Wade Hampton wrote: >> Trying ndd /dev/elx \? results in "couldn't push module 'elx'. >> so no idea how to tune it.  I can run ndd /dev/ip \?  and I get >> a list of tuneable

Re: [CentOS] Network tuning for working with very old Solaris

2010-03-27 Thread John R Pierce
Wade Hampton wrote: > Trying ndd /dev/elx \? results in "couldn't push module 'elx'. > so no idea how to tune it. I can run ndd /dev/ip \? and I get > a list of tuneables > i'm pretty sure its /dev/elx0 or /dev/elx1 or whatever and not just /dev/elx oldest sol box I still have warm i

Re: [CentOS] Network tuning for working with very old Solaris

2010-03-27 Thread Wade Hampton
On Sat, Mar 27, 2010 at 1:49 PM, John R Pierce wrote: > JohnS wrote: >> On Sat, 2010-03-27 at 13:02 -0400, Wade Hampton wrote: >> >> >>>  I can't ping the Solaris box >>> from any of the servers on my network. >>> >> --- >>  That in it self should tell you to look at the cabling and nic card. I >>

Re: [CentOS] Network tuning for working with very old Solaris

2010-03-27 Thread John R Pierce
JohnS wrote: > On Sat, 2010-03-27 at 13:02 -0400, Wade Hampton wrote: > > >> I can't ping the Solaris box >> from any of the servers on my network. >> > --- > That in it self should tell you to look at the cabling and nic card. I > suspect its a very old nic card like ISA or begining PCI.

Re: [CentOS] Network tuning for working with very old Solaris

2010-03-27 Thread Wade Hampton
Thanks for the feedback. On Linux I have tried setting: rmem_default=32768 rmem_max=65536 tcp_window_scaling=0 tcp_sack=0 tcp_fack=0 I can send data to the Solaris x86 box all day with no problems. It is only when it sends data to my Linux box that it crashes. The NIC is 3Com

Re: [CentOS] Network tuning for working with very old Solaris

2010-03-27 Thread JohnS
On Sat, 2010-03-27 at 13:02 -0400, Wade Hampton wrote: > > I can't ping the Solaris box > from any of the servers on my network. --- That in it self should tell you to look at the cabling and nic card. I suspect its a very old nic card like ISA or begining PCI. Just because it is Sol 5 does n

Re: [CentOS] Network tuning for working with very old Solaris

2010-03-27 Thread Jim Davis
On Sat, Mar 27, 2010 at 10:02 AM, Wade Hampton wrote: > G'day. > > I am trying to get a very old Solaris 5.7 server to ftp data to my > updated CentOS 5.4 server but the Solaris box keeps losing > networking after sending some data.  I can't ping the Solaris box > from any of the servers on my net