Feb 05, 2026
Hi I am migrating our core switches next weekend and was looking for some advice on the actual move itself. I am moving our current Cisco core stack to a new core stack. I am keeping the
Mar 02, 2026
We have an existing core switch with multiple VLANS, we are trying to move each of the VLANs to a new core stack one at a time. Here is the topology, I have created the trunk between the
Jan 29, 2026
To help Data Center operations and engineering staff understand the change management best practice to maintain a datacenter environment or migrate a legacy environment to next gen Cisco Nexus data
Nov 27, 2025
Hi we have an old network with collapsed core design using one vlan with /16 subnet the plan is to upgrade to new cisco generation switches with Core-Distribution-access layer with routes
May 01, 2026
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Mar 09, 2026
Hello, I am hoping that someone here can point me in the right direction. We are currently using a Cisco Nexus 5596 as our core switch and the directive has been given to migrate to a Cisco
Feb 23, 2026
Cisco''s Secure Firewall hardware and software options enhance your security to block more threats and swiftly respond to breaches.
Apr 03, 2026
You''re just moving the gateway address from the switch to the firewall. I''m presently doing this for my organization so I can decommission a couple of older Cisco devices that were managing inter-vlan
Jan 29, 2026
I am intending to buy two new Cisco Catalyst 4513 switches to replace the current core switches (4000 series), which Layer 3 routing is enabled. However, I am not sure as to how to
Nov 04, 2025
Migration is completed if you have upgraded all Cisco Nexus 6000 Series software and enabled Cisco DFA forwarding. HSRP/VRRP remains if there are Cisco Nexus 5000 Series leaf nodes in the
Dec 06, 2025
This allows the new switch to reply to generate ARP requests which will trigger hosts to start using the new switch as its default gateway. Hosts that won''t update their ARP entries will continue
May 24, 2026
Hi, I have network migration project which we will migrate an old legacy network ( traditional L2 design ) where access switches are connected with trunks up to core ( some are
Feb 05, 2026
Migration procedure from legacy switches to Cisco Catalyst 9500 distributed campus core: change window, cutover steps, rollback and verification.
Sep 21, 2025
Migrating the workloads and their default gateway to the Cisco ACI fabric brings advantages even when maintaining the security policies at the IP subnet level,
Oct 04, 2025
Looking for input from anyone who has migrated CX core and aggregation switches from Classic Central to New Central, particularly in environments that were managed using CLI templates.
Jun 18, 2026
We want to move SVIs from an old Cisco stack of 3750s to new Dell S4048s... I''ve been trying to test this on an unused vlan but can''t get the new gateway live on the new stack. Can anyone offer some
Mar 09, 2026
It involved reading switch addresses from an excel file, integrating the use of TextFsm and NTC-templates to turn command output in structured data,
Aug 05, 2025
If I look at the Edge switch details and then the config drift area DNAC does know the port config has changed. Are there any recommendatins on the most efficient way to do this to save
Aug 26, 2025
Solved: I really need help. I need to know if there is a way to migrate our existing core switch to a newer one by trunking it to the only port available on our ASA and then migrating all the
Feb 09, 2026
This is your first core migration, am I right? I would advise you not to communicate about a zero downtime migration. Always give yourself some room. If you communicate zero downtime, that''s
Mar 08, 2026
This article outlines the ExpressRoute gateway migration process, allowing you to move from your current SKU to any equal or higher SKU and
Aug 02, 2025
This lab simulates a real-world enterprise network upgrade involving the replacement and configuration of core switches, port migration, ACL deployment, and rollback planning.
Oct 12, 2025
Best way to migrate core switches from Cisco Switches to FortiSwitches I am working on a project to migrate the current Cisco switches (3700 series with Layer 3) to the new FortiSwitches (S248EF)
Jul 27, 2025
I want to change my Core Switch (1 HPE Switch) into using 2 Nexus 9316D-GX and configure them as vPC. What is the best practice to migrate from
Jan 08, 2026
" Core switch is connected to 2 WLCs, ESXis, access switches 1x10G&1x1G links & Internet gateway router" Note-: If you did have l3 remote sites or/and IGP running then you would
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