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C9300 Switch Reset to Factory: Keep IOS and Clear Config
For most C9300 switch reset-to-factory jobs, use write erase, delete flash:vlan.dat when VLAN database cleanup is required, and reload without saving the current...
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Catalyst 9300 Password Recovery Guide: Recover Without Losing Config
Recovering a Catalyst 9300 password is usually a configuration-preserving IOS XE procedure, not a factory reset. Connect through the console,...
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How to Enable PoE on Cisco Switch: CLI Commands and Checks
On most Cisco Catalyst PoE switches, PoE is already enabled by default on PoE-capable ports. To explicitly enable or re-enable...
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Cisco ASA Password Recovery 2026: Firepower 1010, 2100, 3100, 4100, and 4200
Cisco Firepower and Secure Firewall platforms do not all use the same ASA password recovery process. On newer platforms, the...
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Default VLAN vs Native VLAN: Cisco Differences and Examples
The default VLAN is the VLAN a switch uses for ports before you assign them to another VLAN. On Cisco...
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How to Check SFP Type and Find a Port by MAC Address on a Cisco Switch
Use show inventory to identify the exact Cisco SFP PID and serial number, show interfaces transceiver or show interfaces transceiver...
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Cisco IE3300 vs IE3400: Differences, Features, and Which to Buy
Cisco IE3300 and IE3400 switches are both rugged Cisco Catalyst industrial Ethernet platforms, but they are usually selected for different...
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Router vs Firewall vs Switch: Who Controls Traffic, Access, and Security?
Most business networks don’t fail because a router, switch, or firewall is “bad.” They fail because the wrong device was...
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Hardware Firewall vs Software Firewall: Differences, Costs, and How to Choose (2026 Buyer’s Guide)
A hardware firewall is a dedicated physical appliance that protects an entire network at the perimeter, typically delivering 1 to...
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Top Cisco Competitors and Alternatives for Enterprise Networks in 2026
Quick answer: The main Cisco competitors are Arista, HPE Aruba Networking, Juniper, Fortinet, Extreme Networks, Ubiquiti, Dell Networking, and NETGEAR....
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C9300-48P-A vs C9300-48U-A vs C9300-48UXM-A: PoE+, UPOE, and mGig Buying Guide
C9300-48P-A, C9300-48U-A, and C9300-48UXM-A are three 48-port Cisco Catalyst 9300 access switches with Network Advantage licensing, modular uplinks, and StackWise-480...
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C9200-NM-4X vs C9200-NM-4G: Cisco Catalyst 9200 Uplink Module Guide
C9200-NM-4G is a 4-port 1G uplink module for Cisco Catalyst 9200 switches. C9200-NM-4X is a 4-port 1G/10G uplink module, making...
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C9300L-48PF-4X-E vs C9300L-48P-4X-E: 890W vs 505W PoE Compared (2026)
C9300L-48PF-4X-E and C9300L-48P-4X-E are both Cisco Catalyst 9300L 48-port 1G PoE+ access switches with four fixed 10G/1G SFP+ uplinks, StackWise-320...
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Cisco N9K-C93108TC vs N9K-C93180YC: FX3, FX3P, EX and FX Model Comparison
Choose N9K-C93108TC-FX3 if you need copper BASE-T downlinks without PoE. Choose N9K-C93108TC-FX3P if you need copper downlinks with PoE. Choose...
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NXOS-AD-XF Perpetual License: Availability, Options, and How to Buy
Quick answer: Cisco’s current licensing guide still lists NXOS-AD-XF as the perpetual NX-OS Advantage license for supported XF-class fixed Nexus 9000 platforms. If...
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