Server Networking

Has anyone experienced issue with VLAN tagging and Hyper-V 2012.  Our server Team wants 1 management Vlan and one Migration VLAN.  Also, it is teamed nics on one Port channel so I create the portchannel to be a trunk and trunk the 2 vlans.  I can see...

Hi, Is it possible to connect the Nexus 5596UP (NX-OS 5.2+) to the IBM BNT Virtual Fabric Switch Module (VFSM) for BladeCenter (N/OS 6.8+) using LACP EtherChannel? My 10G FCoE scenario: IBM Blade HS23 Emulex II CNA -> IBM BNT VFSM -> N5596 -> IBM N62...

Hi everyoneMy question: is correct to migrate the VSM virtual machines inside the Nexus 1000v VEMs or left the VSM running in vSwith o dvSwith of Vmware.

Here is the figure of the PoC topology (noted that Fex is Nexus 2000 and its fex-id is 102) the configuration in Nexus 5K will be like this.ip access-list FTP  10 permit tcp any any eq ftp  20 permit tcp any any eq ftp-dataclass-map type qos match-an...

We are building a DCI with vpls. I was wondering how mac address learning works after a vmotion. The minimum time-out which can be configured on the VPLS devices (ASR9000) is 120 seconds. So only after 120 second the original mac entry times out and ...

Hi experts,I am confused between these two. Are they different? If I do "show logging info" it tells me that my logfile name is "messages". Where is it located? I can't find it anywhere in the bootflash:Logging logfile:                enabled        ...

I need to restrict management to ssh on Nexus 7010.I need to turn off or restrict ssl.or upgrade to a newer version of Openssl

We are looking to implement Windows Hyper V 2012 in our data center, and apparently, this comes with some potential virtual switching options.Does the Hyper-V Extensible Switch allow VMs within the hypervisor to connect to a virutal switch using "vir...

                   Is this even possible?I have a few 172.16.x.x addresses in a separate VRF table than my 10.170.x.x route table. The reason was due to an issue I had with my 172.16.x.x traffic routing over my 1 ISP WAN link as oppose to my other IS...

Can you move the peer-keepalive link after it already has been implemented? Is Cisco's recommendation to use the maangement ports on the 5k's rather than buring a 10G port for the keep-alive?                  

hi,we detecting crc error on nexus 5k interface but the number of crc is not incrementing that high. We have replaced the media type or SFP.filber cable also been replace but still getting crc error. Our nexus 5k is running on 5.1.3.N1.1 and has FEX ...

Hi I have just received 3 x UCS C220M3 large form factor rack mount servers. All identical configurations. The first 2 work perfectly but the 3rd one keeps locking up at the BIOS splash screen.I have reflashed the bios successfully even upgrading the...

Hi all,We have ERSPAN configured on Nexus1000v to monitor the web server traffic.We cant see any TCP out of order traffic on the web server. But On the destination of ERSPAN, we can see a lot of "TCP Out of order" traffic (about 12% -15%). According ...