Hello, Cisco Community!I’m really happy to share that I’ll be hosting the Cisco Community Lab Series, a brand-new hands-on learning journey designed to help you build practical networking skills step by step.Every Thursday at 8 PM EST, I’ll post a ne...
Forum Posts
one managed switch is connected to the hub or unmanaged switch, and in that hub - two-port has connected together with an Ethernet cable. In hub - it does not participate in the STP process ---its correct or not... like unmanaged switch also..... i...
I just started setting up some 3750X I received for an event. and after setting them up ive been just programming access points with just one. No real traffic going on just a 10G link to my core and adopting APs.. about 24 at a time. Ive noticed that...
Resolved! Etherchannel PAgP frames behaviour
Hi everyone,Need to know few things on etherchannel DTP and CDP send and receive packets over all the physical interfaces in the EtherChannel, while PAgP sends and receives PAgP Protocol Data Units only from interfaces that are up and have PAgP ...
Hi, I am trying to configure the following command on a ten gig interface on a 9400 series switch, but it does not work: switchport trunk allowed vlan add xxxx,xxx,xxx the command is accepted when i hit enter, but does not show in the running config....
Hi All I have 2 x Cisco 1140 Fws running in ASA mode. Active/Standby 2 x 9300s with a trunk between ten Cisco have depreciated the Redundant interface on the 1140s I have configured sub interfaces on one of the ports of FWs with 2 x vlans going from...
Resolved! Cisco Nexus 93180YC-FX 25Gb Problem
Last time I asked if the Cisco Nexus 93180YC-FX 25Gb port did not work https://community.cisco.com/t5/switching/cisco-nexus-n9k-c93180yc-fx-does-not-active-25gb-nutanix- node/m-p/4626372#M525352 But since the current firmware has been upgraded form...
Wrong vlan ID configuration causes MAC address learning Example -Interface eth1/2 is configured on vlan id 10 and is connected to a different vlan's end host. Will I be able to learn the MAC Address from the ethernet1/2 interface?
Hello All.. i have 2 Cisco C9300 works on StackWise,,, i have a question about the license,, both switches come with an essential DNA license, so I try to use the following command license boot level network-advantage addon DNA-advantagereload,, the ...
Resolved! Booting fail in C3850 Switch
Hi, I have a problem with a new C3850 48p POE+ Switch, at first it came with IOS Version 16.x.x and it was working fine. but I wanted to add it to a stack. The stack master was c3850 48p and was runing ios 03.02.03.SE so I enabled auto-upgrade on th...
Do the 3560E and 3560X use the same image? If not, what image is the 3560E using. Is there an image name or file? thanks
Greetings All, i need your support urgently i am working on security systems (CCTV & Others security system) the cameras connected to the core switches(3850) through Industrial Switches (COMNET) , once we connected the Industrial Switches to core...
if c9300 support stack
For one Cisco ASR1001-X router , we want to use one of the inbuit TenGig port . Kindly let me know what is the maximum throughput supported without having "Throughput_2.5G-20G " license .
am trying to log in to use cisco packet tracer but access is denied even if i log in using my cisco academic account,what may be the problem
Hi I facing big issue I have c9300 stack Switch 1 <master activeSwitch 2 <Member activeSwitch 3 <Member active 2 times Switch2 and Switch3 freezing , After unplug and reboot they back to normal , How to start to troubleshootingThey are Core-Network S...
