Switching

Hello community!! I have a problem with 2 Cisco Catalyst 9300 in stack. When I create the interface vlan 16 and the interface vlan 22, both interface have the same mac address. I workaround the situation, setting the mac addres under the interface co...

Hi All,This morning we're seeing EIGRP flap between 10.108.255.1 and 10.108.255.2 and nothing has changed on the network.Topology:[10.108.255.1(ASR)] --> [Nexus 5K] --> [3750] --> [10.108.255.2]Logs on 10.108.255.1:Mar  9 11:26:23.435 AEDT: %DUAL-5-N...

Hi GuysAs most people use switches these days for routing and switching, are there switches that perform most functions for qos, nat, bgp etc etc?why do we still need to buy routers these days ?Cheers 

We have a Lab environment with IE5000 running a Portchannel (LACP) between the both. SW Version is IOS15.2(8) . In this version PTP should work togehter with Portchannel. In our setup it seems that still not working PTP and LACP together. Can anybody...

Cannot locate the console port for the Cisco SF250-24 its not on the back 

I am trying to figure out why running the netdiscover process from a Kali Linux device plugged into a 2960x causes high CPU utilization. We use ISE and dot1x for port authentication and as soon as I add any authentication commands to a switchport whi...

Hello Everyone, I would like everyones' assistance with this if anyone has any information on this. As I understand that the price of Aruba switches is very favorable compared to Cisco Meraki Switches, does anyone have any information (URLs/PDFs/PPT/...

Dear Cisco Center, Our customer has a C1000-16P-2G-L switch, now they get issue as below ; they has 8 cameras PoE and when they plug all cameras into this Switch, the Switch can not work but if they plug 7 cameras, the switch work normaly.   Could yo...

Hi all,Before we have telnet access to the switches in our production environment.But today i found i can't access many switches through telnet. It's rejecting the telent connection.What have now on hand is i can connect to those switches through Cis...

We're relative new to cisco switches and are testing two new C9200 switches. At the moment we're trying to setup a simple truck between these two switches, but every time we plugin the cable on the trunk port, one switch drops all icmp-packages for a...

HiBackground:I recently moved a VLAN for a lab network from our corporate network to behind a firewall.  In doing so, I shut the VLAN interface (with an ACL) on the core switch and placed a static route pointing the subnet to the firewall, where the ...

Hi Gurus,          I've encountered an issue that might relate to Cisco.          The issue is I cannot access FW A internal interface from FW B, but it's ok from the Cisco switch and any computer connects to the switch. I've asked support from Firew...