Switching

Hi, I want to configure multicast routing on cisco 3850 switch in different VLANs, and I tried every command that was necessary but I don't know why it is not working?could you please help me what should I do?

Hi Team, We have a big problem with our network. In our cisco WAN switch, we have multiple interfaces with 2 slots. But in a particular slot ports (4 ports) we have a huge packet drops which is connecting to a dedicated server. Please address this is...

Hi guys,   We had an issue with our Cat4506 with Sup8-e. Whenever we did a firewall failover, connectivity was lost to a certain part of the network. After some digging around with a consultant, we found the error ->   sh platform hardware ip route i...

two switches are connected through an interfaceon both the interfaces "channel-group" command is not present (they are not part of any port channel)neither any port channel is created on any of the switches ("sh run int port-channel xyz" doesn't show...

Trying to see if  DNA licensing is forced on top of Network Advantage on these switches.   For instance, if I purchase a Cisco C9300-24UX-A, do I need to also have a DNA subscription in order for it to run, or can I go by without it?   What happens w...

Hi All, I am using cisco WS-C2960L-24PS-LL and cisco WS-C3650-24TS, my sessions time out is okay but whenever I disconnect and access the devices thru SSH, it does not require me password at all.  Anyone can help me? Thank you in advance.

I have a Switch Stack that is mixed with Cisco 2960S and 2960X switches. How can I upgrade the IOS of the switches in the stack without unstacking it.?

I have a problem and I suspect Cisco doesn't support what I want to do which is madness because so many other vendors do (including free OS like PFsense). I'm using a Cisco C1111 to connect to an internet provider. The handoff is ethernet and PPPoE i...

Hello, Dears I have set-up a small network based on two cisco 2960xr switches with IP Lite IOS. what I am trying to achieve is to ping Sw2(IP: 192.168.101.2) from a directly connected PC (192.168.204.3) that is getting assigned with an IP address fro...

Hi, When switch forward DHCP request to ip-helper (DHCP server), does it use loopback IP/interface IP/vlan IP?May i know what is the settings in procedures, e.g when a client connected in vlan 20 tries to get DHCP?any quick sample config? 

Hi, I have cisco ASR 1002 X router with 1000Base SX SFP MMF and          Cisco 3850  switch with 10GBase SR SFP+ MMF Now, I want to connect router to switch with the use of this modules. when I connect I am unable to see link status up.what are the p...

Having an issue where we are not able to ping one of a clients systems (10.32.160.30) from the switch they are plugged into.  However, we can ping the system from router.  Can see the IP an MAC in the ARP table on the router and can see the MAC assoc...