Re: [CentOS] gigE -> 100Mb problems

2016-10-13 Thread John R Pierce
On 10/13/2016 6:32 PM, John R Pierce wrote: What driver is being used `ethtool -i eth#`? e1000m arrgh, typed too fast. e1000e -- john r pierce, recycling bits in santa cruz ___ CentOS mailing list CentOS@centos.org

Re: [CentOS] gigE -> 100Mb problems

2016-10-13 Thread John R Pierce
On 10/13/2016 5:57 PM, Steven Tardy wrote: On Oct 12, 2016, at 12:26 AM, John R Pierce wrote: the switch ports kept going offline on us. Not finding anything exactly like this... Closest I could find is CSCuu81949 Open a Cisco TAC case and upload a Nexus 9000 tech

Re: [CentOS] gigE -> 100Mb problems

2016-10-13 Thread Steven Tardy
> On Oct 12, 2016, at 12:26 AM, John R Pierce wrote: > > the switch ports kept going offline on us. Not finding anything exactly like this... Closest I could find is CSCuu81949 Open a Cisco TAC case and upload a Nexus 9000 tech support (`tac-pac`) to investigate further.

Re: [CentOS] gigE -> 100Mb problems

2016-10-12 Thread Dennis Jacobfeuerborn
On 12.10.2016 06:26, John R Pierce wrote: > On 10/11/2016 9:03 PM, Ashish Yadav wrote: >> Please test that if both the server are communicating with each other at >> 1Gbps or not via "iperf" tool. >> >> If above gives result of 1Gbps then it will eliminate the NICs problem >> then >> you know that

Re: [CentOS] gigE -> 100Mb problems

2016-10-11 Thread John R Pierce
On 10/11/2016 9:03 PM, Ashish Yadav wrote: Please test that if both the server are communicating with each other at 1Gbps or not via "iperf" tool. If above gives result of 1Gbps then it will eliminate the NICs problem then you know that it is a problem with cisco switch only. after they

Re: [CentOS] gigE -> 100Mb problems

2016-10-11 Thread Ashish Yadav
Hi, On Tue, Oct 11, 2016 at 6:03 AM, John R Pierce wrote: > I've got a pair of identical CentOS 6.7 servers, with SuperMicro X8DTE-F > motherboards, these have 2 each Intel 82574L ethernet ports. The eth0 > ports are plugged in with 10' runs of brand new cat 5e cable to a

Re: [CentOS] gigE -> 100Mb problems

2016-10-11 Thread Marcelo Roccasalva
On Mon, Oct 10, 2016 at 9:33 PM, John R Pierce wrote: > > I've got a pair of identical CentOS 6.7 servers, with SuperMicro X8DTE-F > motherboards, these have 2 each Intel 82574L ethernet ports. The eth0 ports > are plugged in with 10' runs of brand new cat 5e cable to a

Re: [CentOS] gigE -> 100Mb problems

2016-10-11 Thread Alexander Dalloz
Am 11.10.2016 um 10:14 schrieb John R Pierce: ok, so the mii-* stuff is deprecated (as is route, ifconfig, netstat, and arp? sigh). arp -> ip neigh Alexander ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] gigE -> 100Mb problems

2016-10-11 Thread Tris Hoar
On 11/10/2016 09:14, John R Pierce wrote: On 10/10/2016 11:21 PM, Gordon Messmer wrote: On 10/10/2016 09:31 PM, John R Pierce wrote: oh. Yeah, the entire "net-tools" package is deprecated. I tend to forget which of the two (ethtool or mii-tool) is in that set. # Avoid using any of these:

Re: [CentOS] gigE -> 100Mb problems

2016-10-11 Thread John R Pierce
On 10/10/2016 11:21 PM, Gordon Messmer wrote: On 10/10/2016 09:31 PM, John R Pierce wrote: oh. Yeah, the entire "net-tools" package is deprecated. I tend to forget which of the two (ethtool or mii-tool) is in that set. # Avoid using any of these: $ rpm -ql net-tools

Re: [CentOS] gigE -> 100Mb problems

2016-10-11 Thread Gordon Messmer
On 10/10/2016 09:31 PM, John R Pierce wrote: oh. Yeah, the entire "net-tools" package is deprecated. I tend to forget which of the two (ethtool or mii-tool) is in that set. # Avoid using any of these: $ rpm -ql net-tools ___ CentOS mailing list

Re: [CentOS] gigE -> 100Mb problems

2016-10-10 Thread John R Pierce
On 10/10/2016 5:33 PM, John R Pierce wrote: I've got a pair of identical CentOS 6.7 servers, with SuperMicro X8DTE-F motherboards, these have 2 each Intel 82574L ethernet ports. The eth0 ports are plugged in with 10' runs of brand new cat 5e cable to a Cisco Nexxus 9000 switch (provided by

[CentOS] gigE -> 100Mb problems

2016-10-10 Thread John R Pierce
I've got a pair of identical CentOS 6.7 servers, with SuperMicro X8DTE-F motherboards, these have 2 each Intel 82574L ethernet ports. The eth0 ports are plugged in with 10' runs of brand new cat 5e cable to a Cisco Nexxus 9000 switch (provided by the data center). These servers keep coming