Server Networking

Greetings!I've read that the N5K L3 Daughter Card connects to the switch fabric using two ASICs, giving it a throughput of 160Gbps.  Also read that each packet has to go into and out of that daughter card.  Does anyone know how to check utilization o...

Hi everyone!I got this error log from N3K-C3048TP-E3 Aug  5 12:08:26 Top_C4506_Front_server %SYSMGR-2-SERVICE_CRASHED: Service "bcm_usd" (PID 4247) hasn't caught signal 11 (core will be saved).Of course, it's caused switch to reboot 1 time, without a...

I have a N1k version 4.0.4.SV13a that has 15 hosts connected to it and working.I added a new host yesterday and the VEM install went smoothly (VUM) and everything looks good in vCenter. However when I look in the VSM the module doesn't show up. When ...

Hi all,We are looking at upgrading our Rack switches. We have 3 racks and need about 80 10Gig copper/RJ45 server ports per rack. We are fairly price conscious.I am new to Nexus product range, but have a lot of experience with Catalyst switches.We are...

If i have a single N5K  can I connect it to 2 different VDCs within a single N7K? Thanks

Hi,I'm fairly new to UCS, so this may be (hopefully) a quick fix. We have two chassis connected to a pair of 6296 FIs. The FIs break out of the network via 10Gb ethernet to a Catalyst 4500. Each blade works perfectly to anything outside of UCS, but t...

  Could somebody explain me  a power supply redundancy "1+1", especially for UCS Server C220M3. I can't get how it works. If I switch on the both power supply unit, will a server was supplied a power using  both PSU? And only primary PSU?  How will a...

Periodically disconnected and connected modules vemthis log2014 Aug 12 13:48:14 MSK-VSM-001 %VEM_MGR-2-VEM_MGR_REMOVE_NO_HB: Removing VEM 36 (heartbeats lost)2014 Aug 12 13:48:18 MSK-VSM-001 %KERN-1-SYSTEM_MSG:  CRITICAL OPCODE TIMEOUT for VEM 36, op...

Hi,I am planning ot have upgrades for N5K's which have dual homed FEX's and some catalyst switches connections to N5K's using vpc's and spanning tree port type network topology.Now I have feq small queries.1]Does ISSU pre-upgarde commands cuase nay d...

 I have been working on an issue for a couple weeks between a pair of Nexus 7018 that are having intermittent reachability issues to a 5K/2K/UCS pod downstream of a couple M2 series cards. This is the setup 2 x Nexus 7018Dual Sup1NXOS 6.2(2)1 x M1-32...

Hello all, I would like to ask what do you think why upgrade fail.See atchementThank you for help

how can we find the hostname of the devices connected with the interfaces of switch ? I have tried mac address and ARP, there are lot of servers connected with the switch having multiples LAN cards. So mac table shows the mac of physical machine as w...

As we are replacing 3750 stack with 6509-E switch.Till now our servers are connected to 3750 stack which is also having few SVIs , default routes and access-lists. So we are creating a Etherchannel for connecting 3750 and 6509 and after moving all th...

Hi,If we connect a FEX device to 2 X 6004 Nexus switches with uplinks to each 6004 with VPC as compared to a Cisco L3/L2 switch connected to 2 X 6004 Nexus with trunked-uplinks to each 6004 with VPC, what could be the impact on network speed performa...