Switching

When I got prepared for my CCNA, I read that switches would never learn multicast or broadcast addresses, because they could never be the source MAC address of a frame. Although that seems logical, I don't think that's the whole truth.Now, my PC's LA...

I have a Catalyst 3560 PoE 8 port switch that appears to be hard broken.  Plug in power and all lights stay on/amber.  I've done the hold-down of the mode button procedure in various forms with no luck and what I've read given the indications is that...

Hello,I have a class C private network shared at two locations. The remote location is connected to the local network at the SGE2000p switch on port 1.I am trying to avoid creating multiple vlans. Everything works great except DHCP.I have a DHCP serv...

I have a Catalyst 3560 PoE 8 port switch that appears to be hard broken.  Plug in power and all lights stay on/amber.  I've done the hold-down of the mode button procedure in various forms with no luck and what I've read given the indications is that...

I'm sure this has been done covered many times, but I am not finding it. I have two ISP connections.With ISP-A I have a /30 between us and 200.100.100.0/24 is routed to me via the /30 for thsi example we will say the /30 is 1.1.1.1 on isp end and 1.1...

how to configure tagged and untagged port in cisco 4500switch?

Hi Guys,We have two 4510 switches in a VSS domain. One of them is crashing. Cisco has instructed to swap the Supervisor in the crashing switch to a different slot for diagnosing the issue. My question is what would be the procedure to make this confi...

HiLately internet browsing from my LAN network has become very very slow. So I ran a wireshark to see if there is any problem on my LAN network and realize lot of ARP broadcast is going on . (attach is the screenshot) . with destination and source ad...

I have a Cisco 1921 router, in the configuration I have several static addresses in a NAT. Recently, my NAT stopped working. I have everything set up correctly to the best of my knowledge. Thanks in advance!Dylan Lawless. 

I consoled into the switch to setup a link between the switch and another 3500 xl switch through GBIC's, and when I went to access the GigabitEthernet 0/2 it doesn't recognize the port. Also when I show config it is missing from the file. Is there a ...

HelloTopology: ISP > ASR > 3750x stack>ASA ASR (asr1002x-universalk9.03.12.01.S.154-2.S1-std.SPA.bin)    I can ping out to the world    I can ping to the DMZ switch behind this router    I can ping to the ASA behind the DMZ switch         interface G...

Hello,I currently have a setup consisting of two 3650 switches, a microwave link between the two, and a mesh wireless network with root APs on each switch. This causes a loop. I would like to use both links as the Microwave is a much faster connectio...

Hello need more help with my project please. I have a vlan inside our network, this vlan can only access a few resources. I was using the big network DNS server for internet access but that has change, they are adding a DC and Exchange server on this...