Switching

Hi all I'm setting up a CISCO LAB to keep me busy in my retirement.  My Current network consists of a TP-Link Deco mesh network which works well for my IOT, PCs and internet access.  I just got hold of a Cisco 1941 router with a EHWIC D8SGP module.  ...

I'm a newbie but have a question: I upgraded my Palo (firewall ) and the port that the firewall is plugged into err-disables out. After doing a SHUT, NO SHUT the port came back to life. Any thoughts on why this happens? It seems to happen anytime I u...

I configured a Cisco Catalyst 2960 Switch. I set vlan1 as the ip address of the switch as well as interface 1 with 192.168.1.1 with a class C subnet. Strangely I am not able to access the GUI, ping the switch or Telnet directly. However, I am able to...

"Distribution Switch for Formation" & "Enterprise and Active Directory (AD) Zone Switch"

Hello everyone,I am a teaching assistant at an university. I'm using Packet Tracer to configure VLANs based on MAC addresses, but when I try to use the 'vlan database' command, I encounter the following error:Switch#vlan database^ % Invalid input det...

I have a new project that we are considering to use IE3400 Heavy Duty series switches to support the remote field sites. I have few design questions:Our network architecture includes a main hub site with core switches (standard Cat-9500 stack) and 22...

Hallo All! What is the reason that when enabling Telemetry on C9300 Series Switches, only Application Name, Usage and Througput are shown? Switches configured with telemetry show only Application Visibility (Name and Throughput) in DNA center. Why is...

Hi, We upgraded our Nexus-93108TC-EX devices to software version 10.2.4.M and now we are receiving the below warning message.  I believe this is a bug , how can we resolve this issue? Any assistance would be greatly appreciated. 2023 Apr 18 14:10:58 ...

I just created a vlan, assigned it to a port on our 6509, assigned the vlan an ip address and when i shoot the command, show int vlan 31 it says that the vlan is administratively down. I can't figure out whats going on here? i issued a no shut, to no...

Hello,i was successfully deploying Nac configuration on all my switches when i encountered i problem with  the new authentication display config-mode on a WS-C2960X-48LPS-L 15.2(7)E4:SwitchplanA#authentication display config-modeCurrent configuration...

Is there something different about configuring SSH on a 9407 with a C9400-SUP-1?  Currently there's no configuration on the device except for an IP address on the management port and ssh.  I've gone through the same procedures we've always used and v...

Hello,I am still considering wheter to deploy Catalyst1000 or CBS350 switch at our small office(15-25 devices).Switch have to be configured with multiple SVIs and DHCP server pools for each + few static routes.I would like to secure MGMT access to th...

we had a daily-basis ip conflict with dhcp server on cisco switch 4506E specially after replacing some the users' ports or a user using the laptop and moves alot, the ip conflict is detected using GARP method.note: the user could try multible free IP...