Switching

Hi Team,I recently purchased WS-C2960-24-S switch and I wanted to ask the following questions: 1. What is the difference between NVRAM, ROM, flash-simulated non-volatile and each additional memory type and how each memory type is defined on the syste...

I current have dual nexus 5k setup in vpc config to my nexus 2ks. shown in diagram. I havea dmz switch that I need to connect to the 5ks and that switch has vlan160. can i connect and trunk that arista switch to both the nexus5ks like this?

We seem to have some issue with ARP on Nexus 7K.  Some VLANs on the switches are missing ARP entries for some ip addresses, until we manually ping these ip's from the switches.  The switches are holding the SVI's for these VLANs and running HSRP for ...

I have a 4451X that has a default route of 10.10.48.1. I have 2 other internet routers at 10.10.48.15, and 172.31.1.3.The router at 172.31.1.3 is a VPN firewall and has a VPN to 3 specific IP networks. 172.31.252.0/24, 192.168.252.0/24, and 192.168.1...

I customer with a layer 2 switch. They are not running vlans. They have access-list running all over the switch. Now on the core switch they have this configuration.access-list 100 permit ip any anyinterface vlan 1ip address 10.1.1.1 255.255.255.0ip ...

Hi, I have acquired a Cisco 3750G-24TS from someone and it works fine when i get it to boot correctly, but that's when I get it to boot correctly. I have to unplug the power cable and then plug it back up until it starts the boot process thus why I t...

May popular network discovery tools out there (such as WhatsUp Gold, Solarwind) are based on SNMP.  Even though they claim to support SSH/Telnet, but they didn't seem to work the way I thought. What I'm expecting is a software that mimic the way a hu...

Hi there,I am trying to build a port-channel from N7K-01 to N7K-02 using a breakout cables (40G interface from N7K-01 to 4x10G interfaces on N7K-02). it didn't workis this require a special configuration??? because I have done port-channel configurat...

Updated 3560 to version 12.2(55)SE9 and now after reloading the switch it will boot up and get to a banner then show *Authentication failed and keeps looping the banner. Any ideas as to what happened? We used the same process with the same file previ...

I know what you're thinking... IP conflict, right?   Not exactly....So we have this CentOS 6.5 linux server plugged into a 2960G access switch trunked to a 3750 as the core LAN router in our DC.   The linux server was working until just recently.  Th...

Hi there,I would like ask for your expertise how to get riding of non-voice traffic passing through the10M MetroEthernet voice link in the following WAN overview:Host End 1Data VLAN: 173.105.0.0/16Voice VLAN: 10.105.0.0/16Voice & Data VLAN > SW1 (173...