Mar 17, 2026
The best way from a security standpoint is to have a physically separate switch connecting the ISP handoff to the firewall, if a switch is needed at all. A switch would only be needed if there
Aug 21, 2025
An ISP core router is used to interconnect its edge and border routers. Core routers may also have specialized functions in virtual private networks based on a
Apr 27, 2026
You could also use a modular switch for your core with two power supplies, two controllers, and redundant cooling and pretty much head off the
Aug 04, 2025
On Fortigate or core switches. In my research I''m getting mixed suggestions - Some say that core switches are for routing, when others say that core switches have to be as fast as possible and have
Nov 20, 2025
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May 13, 2026
Learn when to use core switch routing vs next-generation firewall routing in enterprise networks. Explore performance, security zones, VRF design, and hardware platform selection.
Aug 26, 2025
Your core does not need to have an IP if it''s connected over L2 and your firewall is doing the routing. You would set a dedicated managment IP for the switch so you can access it. If your equipment can
Nov 16, 2025
Look at this picture and tell me, is it possible to add another core switch and have them wired to firewall so, that it could improve availability (fault
Nov 19, 2025
The current network design consists of a firewall (Fortigate 100D), a pair of stacked "network core" L3 switches (Netgear M4300) configured for redundancy and then an access layer of switches (Spine
Mar 17, 2026
Having a compromised device physically connected to your core switch is no where near the same as having a compromised device connected to a WAN switch,
Jun 11, 2026
Hi, we have below architecture in which routing between different firewall take place via Internal firewalls only. We have used the core switch only
Apr 13, 2026
In cases where there''s a HA firewall setup, I believed that, instead of introducing another switch between the ISP and the firewall cluster, it makes sense to connect the ISP directly to the core switch and
May 05, 2026
You want to simply extend L2 all the way from the access switch to the firewall so all ports need to be L2 until they get to the L3 interface on the firewall. One thing to check is your access
Apr 30, 2026
Traffic staying within a zone can be routed on the core switch to reduce load on the firewall and improve performance. So in your case your end devices and printers can probably exist in the same zone.
May 22, 2026
Dear Experts, I am wondering what is the best practices for the user getaway. is Core Switch preferred to be the getaway for all user after this the
Nov 23, 2025
Network connectivity: VPN/ExpressRoute, firewall rules, and whether you can deploy a self-hosted Integration Runtime (IR) or agents. Schema compatibility: Azure SQL
Dec 18, 2025
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Nov 18, 2025
Configure the switch as the DHCP server to assign IP addresses to users. Configure an interzone security policy for the firewall so that packets of different zones can be forwarded. Configure the PAT
May 21, 2026
We have added a second firewall (a SonicWALL NSA) and a switch. We are using the switch so we can connect both firewalls to the same two ISP''s.
Aug 12, 2025
On this website I have written tens of articles about enterprise level firewalls (especially Cisco ASA) but many people are interested to learn about
Jan 24, 2026
Internet modem------core switch------firewall Scenario: Internet modem - send to core switch the internet core switch - NAT configuration, vlan configuration and DHCP connection ASA
Sep 03, 2025
We will soon be deploying some core switches. When going upstream (towards outside) from the core L3 switches to a set of firewalls, I''m unsure if the the links between the firewall and core switches
Oct 15, 2025
With 8x100-GbE QSFP28 slots per FortiGate unit, it provides enough capacity to directly connect with 2x100-GbE ports to each of the two core FortiSwitch units at a nonstop forwarding capacity of up to
Apr 09, 2026
Hello, I am asking myself what others recommend for the connection between core switch and Firewall. The setup is the following: Two Catalyst 9300 Core switches in stack. The stack
May 11, 2026
Hi guys, I have a 3750X four-switch stack acting as the core of a fairly simple LAN. All I need to achieve (and this seems inordinately hard, but it is entirely likely that I''m just being dense) is
Jan 12, 2026
Would you connect the management interface of the firewall to an internal switch via patch cable in order to link the management interface to the management VLAN?
Jan 10, 2026
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Jul 26, 2025
Can you temporarily create an SVI for that vlan on the core switch with the IP you are assigning to the firewall interface and test ping from clients. If
Apr 11, 2026
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Jan 10, 2026
If you are provides internet connectivity through firewall and you needs to filter all traffic in common manner for all VLANs, you can use different VLAN between core switch and firewall. then
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