Switching

Hi Please help me. We are using Cisco Catalyst 3750 as a core switch. Any suggestion what would be the model if we will replace it? Thank you!

Hi. We have a network where we don't have control of the subnet router and can't utilized DHCP for managing the clients, but we need DHCP on management VLAN (20) that can route to the primary VLAN (10).We use Microsoft MDT/WDS/PXE for imaging our Win...

hello guys :I am trying to export (.pcap) file from my 3850 switch to TFTP server. but I got this error %Error writing tftp://10.105.3.249/mycap.pcap (Timed out)!meanwhile, copying the vlan.dat file  I got a message of the file copied.TFTP on my lapt...

Hello experts, We have 9500 high-performance model (c9500-48y4c) with SVL configured and need to upgrade from 16.09.04 to 16.12.04.Per checking the document, high-performance models are not supporting ISSU method in current release of 16.09 yet so we...

I have 2 Cat 6513-E switches in a VSS configuration. Power redundancy mode is set to combined. If I do a "show power switch 1" command, it tells me system primary power used = 5142.90 Watts (122.45 Amps) Is that the power draw for the power suppli...

I've been trying to find some info in regards to a known issue in our environment. Cisco phones apparently require the data vlan first before transitioning to the voice vlan and port security.So we've been seeing about 3 MACs before they age out (on ...

Bought a CIsco Systems 50-port PoE smart switch(SG22050PK9NA) and wanted to register it. I called Cisco and was told that Amazon was not an authorized re-seller. How can I register it, so that it is protected by Cisco's warranty? Lili

Good day all,I've been doing some testing and investigations and came upon this output that I cant quite explain. The output below shows the "Show interface switchport" output for a particular interface on my Nexus 3000 series switch.According to the...

Hi,I am looking for a command that can provide the MAC addresses of ports/interfaces on the Catalyst switch (not MAC address table).To be clear, 'show module' has the following output, with range of MAC addresses in each module:Cat-5000>show module ...

Hi all, we got a weird problem with a couple of IE5000 switches in horizontal stack configuration. If one and only one of the two members is reloaded, the configuration under a couple of ports is completely lost on reloading, all configuration lines ...

Dear folks,i have cisco 2960TC-L 24port switch, but after start just mode light is blinking continuously while console view has shown abnormally language. i.e -30)/@<><?|}{|}|}"|")|_|?}|()*^&*^&*|"|":}|P"|/@<><P:P}":P"}P"P"P:|?/@<><>?<><<<. even any ...

Question on the behavior of StackWise and the use of source stripping for Multicast. What are the theoretical maximum multicast only bandwidth capabilities for the stack (in this example let's say Stackwise 80)? Would we assume 40G or 20G total for s...