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
Hi all, I'm seeing intermittent "%L2FM-2-L2FM_MAC_FLAP_DISABLE_LEARN_N3K: Loops detected in the network for mac" errors on a Nexus 3548 (on 9.3(9)), in a vPC pair, connected to another vPC pair directly via L2 at another site. The switch is SITE2-CO...
Hello,I have been trying to solve this project assign to me which was provided in my network essential course.I am rather confused as to how to correctly construct my diagrams.How can I create a visual representation of the packet flow from my laptop...
Hi I need some help in understanding fan status of my switch. I have two WS-C3750X-24S-S in stack. Each of them have one power supply. Issue started when these switches were restarted few weeks ago. After restarting PRTG sensor for system health fan ...
Wanted to know if we can install 2nd power supply in Catalyst Switches while switch is on or should we power of switch
We have a third party company providing a 9300 switch stack for a solution on an air gapped network. We must use the licensing reservation feature to get the Smart License on the switch as there is no connection to the Cisco Licensing site.These swit...
I'm looking to set up a cisco Meraki MX85 security appliance to a stacked Cisco Catalyst 9300 (x2)MX85 > Stacked 9300 Catalyst Switch > PCMX85 WAN 1 > InternetMX85 Port 11 > 9300 g1/0/48MX85 Port 12 > 9300 g2/048 My questions are:1. What config needs...
I'm looking for official documentation about this, and possibilities to fine-tune it. client is using a ***Vendor X*** firewall cluster/pair when switching the active-role both cluster-members seem to be active for a short time in parallel during th...
Resolved! Configure Process Switching
https://www.cisco.com/c/en/us/support/docs/ios-nx-os-software/ios-software-releases-120-mainline/47205-cef-whichpath.htmlI found how to set Switching Method for CEF, Fast only on above doc.For configure process Switching, should I set process switchi...
Hello I have to configure 500 Router with an initial config. How can i boot the router with this config via USB Stick or an other way? The Router is new and needs a special config for our customer. br
When I ping the DC-01 it resolves the public IP address, not the internal DNSI have added the two DNS 10.100.20.108.8.8.8when I remove the 8.8.8.8 its reaching the dc-01 which looks good but when I add 8.8.8.8 and ping its showing the public ip addre...
hello,I have a question about support contract for Cisco 9300 and 9300x. I recived few those Switches with DNA licenses few years ago. In 2024 all support will be expired. Questions,1. What support i must buy to extend SW and HW - smartnet ?2.is i...
Resolved! interface output drop 6509E
Hi Mates,i am very new in this business i am facing this issue in my network just for one up linkGigabitEthernet1/11 is up, line protocol is up (connected)Input queue: 0/2000/0/0 (size/max/drops/flushes); Total output drops: 92813570Received 48732930...
In a 2960 switch a user connected port is detected more entries of unknown mac addresses we checked the user PC entirely there is no suspicious software, and we also connected the user pc to a isolated switch and monitored no issues found what would ...
Hi Everyone,I have a question inregards to the IOS commands on a CMICR Micro switch.When configuring the device I stumbled on some missing CLI commands, which in it's turn does not allow me to get Type 6 passwords. (Tried different IOS versions)Now a...
Hello,We have a home automation system running in our DMZ environment. Last week there was a planned power outage. But this power outage lasted longer than our UPS could handle. I can still reach all the systems connected to our home automation via p...
