Switching

We currently have 2 Nexus 7K units in a VPC domain and both are identical with M1 and M2 modules in the same VDC; this VDC is where all production traffic is located as well as the peer link, a L3 link, etc... We added a 40 Gb F3 module to each 7K bu...

Hi,We have 2 6509-E switches configured with VSS. Because of a strange bug in Cam-Table we have to make an IOS-Upgrade.We want to go from version s72033-ipservicesk9_wan-mz.122-33.SXI5.binto version s72033-ipservicesk9_wan-mz.122-33.SXJ10.bin.  I hav...

Hi,There has been some debates on using Nexus  vs Catalyst platform in Core. Other than having limited features on Nexus what else could be the potential impact? I don't require a lot of features in core. My core need is Routing protocols, Multicast,...

Bit of a random question but I've had it a couple of times now so need to reach out for some advice.We have 6x SG500-52P switches in a stack via 5G SFPs which have worked great so far.  Into that we have Cisco 7841 PoE VOIP phones which via CDP get p...

We have the c3kx-nm10g module in a 3750 and are tying to use Cisco 10g-SFP-AOC3M Twinex cables, but the transceivers are not being recognied.. any ideas?

Hellowe have N7k , IOS ver n7000-s2-dk9.6.2.12connected other port due to issued port down (2/6  --> 1/7)i want to know which problem following the log has. ------# show logging2015 Aug 29 21:59:45 ------ %R2D2_USD-SLOT2-2-R2D2_SYSLOG_CRIT: Disabling...

I have a small 1 VLAN LAN composed of 8 managed switches. For redundancy, I am connecting the switches in a ring topology. 5 of the switches are in the same room, but the other 3 switches are in the next room, about 20 feet away. I could run a cable ...

 what are the tools, tasks, procedures to use for network assessment?what questions to ask the customer while replacing EOL Pix firewall in order to decide which next generation firewall suits the best?

We already successfully deploy VSS on 4500-X and it is working fine so far. We need to test the Virtual Switching between pair of 4500-X. Either we Power Down the physical Active 4500-X switch by removing the Power Cord or reboot the Primary 4500-X S...

Hi Guys Just a quick confirmation question. We have a Cisco WS-C6509-E chassis switch with the following modulesWS-C6509-E#show module allMod Ports Card Type                                                Model                        Serial No.---   ...

All;I have been stress testing an Industrial network and found some issues. The client now wants me to fix the issues but i am running into some problems.  IssueThe three networks,HMITMSDCS/ModbusAll appear to be functioning correctly but under stres...

When I try and installed CCP Express (2.5) on my 1841 via the setup.exe file — the installation connects to the router, etc. but fails with the following error: "File copy operation failed" (during the file copy operation) — and that's it. The instal...

Hi Guys, Let's say I have a router, it's currently my internet router. Its configure is below:interface FastEthernet0/0description public interfaceip address 156.x.x.8 255.255.255.240ip nat outside!interface FastEthernet0/1description customer LANip ...

Hello,We had configured dot1x on ports of Switch ports with authentication host-mode multi-domain and ports were going to err-disabled mode.This was rectified once we configured port to authentication host-mode multi-auth. PC are connected through IP...