Server Networking

Hello.There was an unclear problem.5548UP-CORE-1(config)# ip name-server 10.х.х.хcp: cannot create regular file `/tmp/dhcp_dcos_resolv.conf': Internal error in updating the configuration: unable to  copy original dataCannot write to the dns configura...

In a 1000v when I create a port profile and apply it to the vm server in VMware I see that it creates a vethernet interface which inherits the port profile automatically. Is it possible to edit the vethernet interface in the cli to modify or change t...

Good day everyone,We are planning on upgrading line cards, and Sup modules, and I would like to know if there is best practice document or suggestion on what is the best way to migrate the current topology to new topology.This is a flat network and i...

I'm attempting to setup Adapter-FEX between a Cisco C220 M3 server with a Broadcom BCM57810 (Cisco P/N UCSC-PCIE-B3SFP) and a pair of Nexus 5596 switches.  The server is running Windows 2012 R2 (also tried 2008 R2).  I've setup both the Nexus switche...

 2x Nexus 5548UP + 2x B22HP FEX modules single-homed connected. IOS 5.2(1)N1(6). Seems to be a cosmetic issue and is an annoyance. I'm unsure whether this is normal FEX behaviour or something specific to these B22HP cards (which is basically a FEX fo...

Dear Community, We experienced an unusual behavior of two Nexus 7000 switches within a vPC domain.According to the attached sketch, we have four N7Ks in two data centers - two Nexus 7Ks are in a vPC domain for each data center.Both data centers are c...

Good Evening!I'm studying for CCDP and am currently sitting on page 271 for those of you that have the official book (642-874). Similar topology to book here.If I understand correctly, in an Active/Active FEX design two Cisco Nexus 5000s plug into tw...

Hi, I'm new in the forum and I found it while doing some research about my issue.Just upgrade Nexus 5596UP with n5000-uk9-kickstart.5.2 and install all command command. For my surprise it din'nt restart after 60 minutes and anly leds working belong t...

Dear All,Am facing L3 reachability issue between N3k switched, even in same subnet. Also checked that VLAN is allowed under trunk port.I can able to see the switch details as CDP neighbour.We are using SVI, and found all the SVI and Interface protoco...

Hi!I have a questions about Cisco Adapter FEX and VM Fex.As i understand, Cisco Adapter FEX gives multiple vNIC on one mezzanine card, and each of them appears as virtual port on Fabric Interconnect.Also, same thing for VM-FEX, each VM NIC appears as...

Hi,Please i there any one has already test the SFP transceivers such 1000BaseT  SFP from other vendors on Cisco NEXUS 5500. Regards

Good afternoon,I was wondering if someone might be able to help,  I have an interesting setup which I am working with at the moment which consists of 4x Nexus 55xx switches running HSRP for around 4 VLAN's. What we are looking to do advertise routes ...

I have two 5548UP connected to two Nexus 7k forming double sided vPC design. The 5k is acting as access layer top of the rack and 7k as aggregate. The 7k is configured with vrf contexts and vlans with vrrp.I followed the best practices for double-sid...