Switching

Access Control Lists (ACL) Explained @VLAN Y ACL I am using packet tracer version 8.0.1.0064 to build a network. I am trying to configure ACLs to manage vlan communication on the cisco 3650 switch. I want vlan 10 to be able to reach vlan 20, but I do...

i am working on using a tcl based event manager policy with following configuration: event manager directory user policy "flash:/policy" event manager policy policy.tcl event manager session cli username "admin" The content of the policy file is as f...

Good day team!We have not a big office, so we've built CORE on c9300 switch.Now we think about HA....if 1 switch goes down...second will handle all L3-L2 trafficI could find info about which technologe to use.I wil be appreciate for any info or ponti...

I can't understand how the IP device tracking feature works.Is it only used for AAA services (802.1X, TrustSec, etc.) or does it also replace the implementation of DHCP snooping, DAI and IP source guard features?If I have IPDT enabled, I don't need t...

Hello, I want to reset to factory defaults a Cisco ME-3400E because I don't know the password. I tried to connect with serial using console cable but got nothing with Putty and SecureCRT (baud 9600, bits 8, flow control xon/xoff) I have used Ctrl+Bre...

Hello~How can I check each CoS class statistic for a physical interface?We just configure below Commands on the C2960, want to check if that really works and the status for each class: enconfig tmls qosinterface Gi 1/0/1auto qos trust cos By the way,...

Hi All,  I wonder why Cisco no longer supports third party SFPs after upgrade to 15.2 But other vendors still support Cisco or others SFP transceivers. Is that Cisco Technology limitation or even declining so then can not support it anymore? 

Hello, everyone,I'm new to the forum and have a problem where I'm just stuck and hope for your help.We have several Cisco SG 300 switches in use. Now we want to switch to Cisco Catalyst 2960x and Cisco Catalyst 9200 Switches.We have already transferr...

Hi,I have a  3850 stack switch, there are 5 switches. the switch numbers 1,2,3,4,6 I want to change  6 to 5  , how can I change  second question, If the stack cable is faulty, there is a possibility for a loop  Thanks 

HiI run monitoring software(Prometheus visualized by Grafana ) for monitoring the device resource usage.With this software, I can set settings which send me automated notifications as resources usage get at high level.How can I find the threshold of ...

So I wanted to connect an IP Phone to my C9200, it is an Alcatel 8028 Deskphone by the way, The important part is that it is IEEE 802.3 af compatible and should work just fine.The Phone just does not power on. I checked the standards sh int statussh ...