Nov 02, 2025
Configure the priority of the default VLAN and external VLAN to a higher value than the default priority 32768. Doing so makes the core switch become root even if the default and external VLANs are
Feb 20, 2026
Best practice is to create VLANs on the core switch. It depends on what the VLAN is for. What is in it, what connects to it (and from where), and how secure it needs to be. Based on that, you
Dec 15, 2025
Follow these steps to configure VLANs on your switches. Ensure you have access to the switch management interface and the necessary permissions
Jul 13, 2026
Hello all, I saw this statement in some documents said "Certain configurations of bridges may cause partitions of a VLAN on a link. For such configuration, a frame sent by one bridge to a
Dec 24, 2025
Dante is anywhere and sometimes I had to put some AVoIP endpoints across different switches to test something. Then, VLAN 50 is intended for cameras, like home security, but as of
May 24, 2026
Configuring local Vlans I have learned to configure the vlan interfaces on the core switch- and then configure the access switch with the desired vlan and assign the switch port to that vlan! If I
Sep 01, 2025
Configuring the Core Switch Context In this scenario, IP addresses of the interfaces connecting the core switch to the BRASs and firewalls and OSPF need to be configured on the core
Aug 24, 2025
Hi folks - don''t flame me too bad butsome questions rolling around I have to ask on how you do this in the real world.I know how to create vlan etc. But my question is this I have a 4507 Core
Nov 30, 2025
If not using AD then any of the switches you mention have DHCP server capability. Add a DHCP scope, VLAN and SVI config to any switch (preferably the core switch) and add the VLAN to
May 02, 2026
Pleas help me 100K sub / @tankirivann Hi everyone, in this video we are going to pratice on cisco vlan configuration. we create vlan on our core switch and using VTP protocol to share all our vlan
Mar 10, 2026
The traffic among devices split across two or more physical networks is usually handled by a network''s core routers. With a VLAN, that traffic is
Apr 16, 2026
Currently my topologi is Firewall -- Core -- Access - Endpoint. Firewall using Fortigate, Core using C9300 series. Connection from Core to Firewall using L3. We have several VLANs on the core
Mar 14, 2026
Learn how to configure VLAN and inter-VLAN routing on Cisco switches using CLI. Step-by-step VLAN setup, trunking, router-on-a-stick, and SVI configuration for small to medium-sized business networks.
Mar 26, 2026
Introduction VLAN stands for Virtual Local Area Network one physical cisco switch; you can create multiple VLANs that connect to different network. This document provides basic
Jun 01, 2026
Local VLANs are based on geographic locations by demarcation at a hierarchical boundary (core, distribution, access). Therefore, a local VLAN would never span from an access
Jan 27, 2026
This lab simulates a real-world enterprise network upgrade involving the replacement and configuration of core switches, port migration, ACL deployment, and rollback planning.
Jul 09, 2026
I have a core switch that I''ve purchased second hand, it''s foundry switch. I have created 4 VLANs (VLAN1 to VLAN4). I have created a VLAN interface for each VLAN and assigned it an IP in
Feb 05, 2026
When configuring interfaces and routes, you need to specify a VPN instance to isolate public network routes from the return routes from the firewalls destined for the egress routers through
Oct 10, 2025
What is VLAN? Discover how Virtual LANs segment networks, boost security, and improve performance—plus how to implement them effectively.
Dec 21, 2025
Currently I am setting up our network for VLAN''s and I am stuck deciding should I have all the switches go back to the 24 port L3 Router/Switch that also has the servers on it or put a new
Dec 27, 2025
VLANs address scalability, security, and network management. Routers in VLAN topologies provide broadcast filtering, security, address summarization, and
Jun 06, 2026
Divide the network by VLAN If you physically prepare separate Layer 2 switches and divide the Ethernet network, you will need a lot of Layer 2 switches. VLAN allow
May 19, 2026
The two most common types of circuit-switched WAN technologies are the public switched telephone network (PSTN) and the Integrated Services Digital Network (ISDN).
Nov 27, 2025
Introduction This document provides three sample configurations for the Catalyst 2948G-L3. The configurations are a single-VLAN network, a multi-VLAN network, and a multi-VLAN distribution layer
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