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New Member

UCS C200 M2 R200-1120402W Nic will only negotiate 100MB Full

We have a new UCS C200 M2 server that is running ESXi 5.0.0 and will only neg a speed of 100MB - tried connecting it to a GLC-T on a 3750 and also Copper Port on 2960G - same result.

Trying to hard set speed to 1000 in vSphere Client produces an error:

Call "HostNetworkSystem.UpdatePhysicalNicLinkSpeed" for object "networkSystem" on ESXi "172.19.99.103" failed.

Operation failed, diagnostics report: Forcing 1000Mbps or faster may not be supported on this network device, please use auto-negotiation instead Call "HostNetworkSystem.UpdatePhysicalNicLinkSpeed" for object "networkSystem" on ESXi "172.19.99.103" failed.
Operation failed, diagnostics report: Forcing 1000Mbps or faster may not be supported on this network device, please use auto-negotiation instead

Adapter is Intel 82576 Gigabit Network Connection

Have just used HUU to version 1.4 - no improvement.

Thoughts, suggestions?

Everyone's tags (3)
1 ACCEPTED SOLUTION

Accepted Solutions
Cisco Employee

UCS C200 M2 R200-1120402W Nic will only negotiate 100MB Full

Gordon,

Can you please share the output of following ESXi commands

vmware -v

esxcfg-nics -l

ethool -i vmincX

Do you observe the same behavior with other NIC port on the server ?

Padma

8 REPLIES
Cisco Employee

UCS C200 M2 R200-1120402W Nic will only negotiate 100MB Full

Gordon,

Can you please share the output of following ESXi commands

vmware -v

esxcfg-nics -l

ethool -i vmincX

Do you observe the same behavior with other NIC port on the server ?

Padma

New Member

UCS C200 M2 R200-1120402W Nic will only negotiate 100MB Full

Hi Padma,

Sorry, for not replying sooner, but I was having issues getting the CLI up and running!

We appear to have resolved the issue by connecting the server to the same switchport with a shorter ethernet cable.

The previous one was a 5 meter Cat5e, the new one is a 2 meter Cat5e.

Bit confused as to why that would make a difference but happy it's now running at a Gigabit.

Thanks,

Gordon

Cisco Employee

UCS C200 M2 R200-1120402W Nic will only negotiate 100MB Full

Hello Gordon,

Glad that you responded back on how the issue got resovled in your scenario.

We are never short of surprises on solutions that resolves a problem :-)

Padma

New Member

UCS C200 M2 R200-1120402W Nic will only negotiate 100MB Full

Hi Padma,

it would be interesting to have the further treating of this kind of issue because we have similar issues.

We already have installed several C200 M2 with CUCM or CUC and CUCX on it, and we have had also the issue that in the esxi we were not able to go from 100 to 1000 Mbps on the network settings from the VMs.  The host has 1000 Mb configured but the UC VM's has speed issues and are staying on 100 Mbps.

Do we have differences between the CICM interface Versions ?

Or do we need to have static 1000 Mb settings on into the CUCM/CUC/CUCX CLI before we can have the right connexion speed on the esxi side ??

Jacky

Cisco Employee

UCS C200 M2 R200-1120402W Nic will only negotiate 100MB Full

Hello Jacky,

Do you have issue with configuring speed for virtual machine nics or the physical NICs as reported by Gordon ?

I do not have much knowledge about UC applications but just a quick thought on it. Most likely it is will be using flexible ( i.e which acts as  pcnet32 or vmxnet ) which has it's own limitations.

Since this virtual adapter is dedicated for the VM machine traffic, 100 mbps would be sufficient for the application from a "virtual NIC " interface. Physical NIC parameters and total VM load would be more crucial in design considerations.

Please refer to following doc on network traffic requirements for UC VMs

http://docwiki.cisco.com/wiki/QoS_Design_Considerations_for_Virtual_UC_with_UCS#LAN_Traffic_Sizing

If you are receiving specific error message from ESXi regarding vNIC or physical configuration, feel free to start a new thread so that we can help you out.

Padma

Bronze

UCS C200 M2 R200-1120402W Nic will only negotiate 100MB Full

We have the same problems with ESX 5.0.0 and a UCS C210 M2 server. Interfaces remain down after disconnect/reconnect or after boot or negotaiate to only 100 speed while switch is 1Gbps etc...Very disappointed with this. The server needs to go in production but we cannot do this while we are having this kind of reliability problems. I have a strong feeling it is related to a mismatch in communication between the BIOS of the NIC and ESX kernel itself. For example, when you boot the server and ESX is not yet running, it negotiates to 100 full by default , then when the ESX kernel loads, it is first brought up in 100 and then after a while (seconds) switches to 1G full. But when you start disconnecting/reconnecting interfaces, they sometimes don't come up anymore or at the wrong speed/duplex. We can't really yet 100% reproduce the behaviour but we are working on it. We don't really have speed problems on the VM, unless maybe that a VM can influence the speed of the physical NIC with which it is associated (although that would surprise me A LOT). We have 4x Gig production interfaces and 4 VMs. Using "port ID based" load balancing , each VM should be assigned to its own physical NIC.

Bronze

UCS C200 M2 R200-1120402W Nic will only negotiate 100MB Full

Here is some more info.

Note: switches are all configured to autoneg, speed and duplex and are Gig C3750E switches.

# vmware -v

VMware ESXi 5.0.0 build-469512

# esxcfg-nics -l

Name    PCI           Driver      Link Speed     Duplex MAC Address       MTU    Description

vmnic0  0000:0b:00.00 bnx2        Up   1000Mbps  Full   00:10:18:c6:70:d0 1500   Broadcom Corporation Broadcom NetXtreme II BCM5709 1000Base-T

vmnic1  0000:0b:00.01 bnx2        Up   1000Mbps  Full   00:10:18:c6:70:d2 1500   Broadcom Corporation Broadcom NetXtreme II BCM5709 1000Base-T

vmnic2  0000:0c:00.00 bnx2        Up   1000Mbps  Full   00:10:18:c6:70:d4 1500   Broadcom Corporation Broadcom NetXtreme II BCM5709 1000Base-T

vmnic3  0000:0c:00.01 bnx2        Up   100Mbps   Half   00:10:18:c6:70:d6 1500   Broadcom Corporation Broadcom NetXtreme II BCM5709 1000Base-T

vmnic4  0000:12:00.00 igb         Down 0Mbps     Half   cc:ef:48:b4:5c:06 1500   Intel Corporation 82576 Gigabit Network Connection

vmnic5  0000:12:00.01 igb         Up   1000Mbps  Full   cc:ef:48:b4:5c:07 1500   Intel Corporation 82576 Gigabit Network Connection

~ # ethtool -i vmnic0

driver: bnx2

version: 2.0.15g.v50.11-5vmw

firmware-version: bc 5.2.3

bus-info: 0000:0b:00.0

~ # ethtool -i vmnic1

driver: bnx2

version: 2.0.15g.v50.11-5vmw

firmware-version: bc 5.2.3

bus-info: 0000:0b:00.1

~ # ethtool -i vmnic2

driver: bnx2

version: 2.0.15g.v50.11-5vmw

firmware-version: bc 5.2.3

bus-info: 0000:0c:00.0

~ # ethtool -i vmnic3

driver: bnx2

version: 2.0.15g.v50.11-5vmw

firmware-version: bc 5.2.3

bus-info: 0000:0c:00.1

~ # ethtool -i vmnic4

driver: igb

version: 2.1.11.1

firmware-version: 1.4-3

bus-info: 0000:12:00.0

~ # ethtool -i vmnic5

driver: igb

version: 2.1.11.1

firmware-version: 1.4-3

bus-info: 0000:12:00.1

Cisco Employee

UCS C200 M2 R200-1120402W Nic will only negotiate 100MB Full

Hello,

Please open a TAC service request with above information to further investigate this issue.

Also upload CIMC show tech, ESXi tech bundle ( vm-support ) and 370 show tech.

Padma

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