Network Management

I have been told that by default, the native vlan on cisco switches is 1. I have also been told it's recommended to change the native VLAN # from 1 to something else.Why exactly is that? I am guessing here that if you change the native VLAN from 1 to...

I have a number of Catalyst 2950 switches that I manage with the Cisco Network Assistant (v 2.0). I can see all the switches inside the LAN but can't see any switches inside my DMZ or my point of entry switch outside the firewall.Is there a way to c...

Hi,Tried going from ISE 2.7 patch 8 to 3.1 via the bundle: ise-upgradebundle-2.6.x-3.0.x-to-3.1.0.518b.SPA.x86_64.tar.gzWhen the secondary monitor/admin-node was restarted, the application ise cannot start with the following message:x-ise-001/admin# ...

Hi All,We are facing problems when accessing RX buffers 3 or 4 of the 5th Cisco Nexus SmartNIC K3P-Q (former Exanic x100) network interface.We were able to reproduce the problem using steering example firmware from FDK 2.9.0 and instantiating 3 insta...

This past weekend I upgraded DNA Center from version 2.2.3.6 to 2.3.3.5Since this upgrade, majority of our sensors have been failing DHCP, but clients are still connecting. I am kind of at a loss here for what is happening. The pools have enough addr...

Does anyone have any experience with WSL and Cisco corp VPNs?ubuntu does not have an active internet connection unless I run a powershell script to raise the metric on the cisco adaptor (manually changing the metric does not work and is reverted at b...

Hi,I've made a EEM applet for reloading a Cisco router after certain part of message appears in syslog.No.   Class    Type    Event Type   Trap    Time    Registered                          Name1      applet    user     syslog          Off      Mon ...

Is there a "range" command to verify if BPDU packets are being sent/recieved on all the interfaces on a switch at the same time?  Or do you have to run the command: switch#show spanning-tree interface g1/0/52 detail | i BPDU   BPDU: sent 3, received...

hello guys im still new and right now working on redundancy project in eve-ng.the problem is that my vlan client can only ping vlan host in switch and cant ping anywhere else but the vlan host can ping another ip even google. i tried trace route it b...

HI All !I am new in Cisco pl help me to configure IP CAM NetworkWAN IP - 103.77.XX.XXX 255.255.255.248 (PUBLIC IP)LAN IP - 172.16.35.1 DHCP SERVER .172.16.35.1 255.255.255.224NAT scriptits a new router/me,  so please share scripts in details !Thanks ...