Switching

Just a heads up for anyone contemplating a port channel  with gig ports gi 1/1/3 & 4 using the C3850-NM-2-10G module. You actually need to configure the te 1/1/3 & 4 ports even though they will only use 1gig or else you may get a  loop event. Intuit...

Hi, I have been trying to block arp broadcast on my sg300 switch. This is at the command line: Extended MAC access list stop broadcast     deny    any host aa:bb:cc:dd:ee:ff vlan 1 0806 0000    permit  any any However, doing a wireshark (non promi...

I have a Catalyst 3560-X PoE that suddenly stopped working.  I plugged in via console and below is the output I received.  It scrolls constantly and I am unable to enter ROMMON mode or stop it from scrolling.  Has anyone experienced this before or mi...

Hi All, Do Nexus 7710 with Sup2E still require Copp?

Can anyone tell me that if the Cisco Catalyst 2960-X (WS-C2960X-24TS-L) running firmware version 15.2(2)E3 - Universalk9 can run Jumbo Frames and Flowcontrol on the default VLAN?

Hello all... I have a question that may come off as a "Newbie" type of question. I've just been brought on to a project and I'm a relatively new to the position as a Network engineer. Our company is planning to replace ISPs; along with that, we are...

I have seen many threads on the internet about AppleTV and bonjour trouble in networks, especialy enterprise networks.None of them really helped me or solved my problem.My network is a simple medium scale home network contaning only managed switches ...

So, this is a pay-it-forward posting mostly, but in case there is someone out there in the future trying to do what I have just completed, I wanted to make it easier. I swapped out my Netgear Nighthawk R7000 for a ER-Pro because I wanted to keep the...

Hi allI’ve been trying a few days now to implement multicast routing on my home network in order to make airplay work between subnets. Specifically between an iphone and a hifi separated by different vlans. Failed, as I have no experience in multicas...

Hello, I have a server farm with 2960G switches and i'd like to implement the Cisco switch Web GUI. I configured "IP HTTP SECURE-SERVER" command and i'v kept the default encryption. I noticed while configuring the switches that i can choose an encry...

We were just using VLAN 1 for everything, but now need to segment things better by adding vlans.  Our core switch is a Cisco 3850 with Cisco 2960s hanging off of it. I setup the VLANs and allowed them through all of the trunks.  I created the VLAN i...