Switching

HI,We have Cisco 4500X at the core and Cisco 3750 at the edge. I would like it so we can disable unmanaged switches on some ports on an edge switch. I don't want a particular group of users plugging them in.How can i achieve this please?Thanks

I am setting up a stack of three WS-C3650-48FD.  Software version 3.3.3SE and Image version cat3k_caa-universalk9.  When I apply the following route map: route-map STATIC-2-EIGRP permit 40 match tag 400 set tag 400 I get the following message: Erro...

Dear Friends, We can find the high CPU utilization on our l2 catOS 4506 switch, we are hitting with the syslog as "Invalid traffic from multicast source address 08:00:01:02:00:00 on port 1/1" Does this syslog message relates to the high CPU ?? Kindly...

Description of the problem: I see that the router reloaded due to software crash. i want to understand the reason for this crash. CHN_TAO_BRA_AR02#sh ver Cisco IOS Software, 2800 Software (C2800NM-ENTSERVICES-M), Version 12.4(3d), RELEASE SOFTWARE ...

Hello. I would like to configure my C2911 router with 2 C2960 switch. And is it possible to put same ip on 2 interfaces of C2911? One for active and another one or standby. Topology was attached. Is it possible? thankyou

I have 2 systems in different locations sending to the multicast address 239.192.201.19 on port 55304 - I have been tasked with sending both of these feeds into another system for analysis.  So immediately you can see the problem. After some googlein...

I am trying to get layer2 netflow on nexus switch.Can any one post the correct config for Nexus Layer2 Netflow monitoringThanks 

Good day!How can i add 4 ethernet (L2 or L3) ports (like EHWIC-4ESG) to Cisco ISR4451-X.EHWIC-4ESG doesnt supported on ISR4451-X (comparing http://www.cisco.com/c/en/us/products/routers/3900-series-integrated-services-routers-isr/relevant-interfaces-...

in my office, people bring their laptops and connect to the network.Since we have dhcp allocation of ip addresses,an ip is provided to them and once they disconnect, the address is still in an allocated state in the dhcp server. Can anyone tell me ho...

Hello,I having issue where 6 WLAN AP's not coming back uo after reboot and IOS upgrade of 3560 POE swtiches - . Prior to changes here most if not all ALL the 23 Aps were mainly on one switch, Now after these changes they are now spread over three swi...

Me and colleague at work had a discussion about root bridge and SVI. According to him Root bridge of a vlan and its SVI should be on a distribution switch. If SVI is on distribution switch and root bridge defined on access switch, it will be a proble...