Best Places to Buy Cisco Products Online: A Buyer’s Guide
Cisco hardware is sold online through independent stocking suppliers and Cisco’s authorized resellers. Cisco’s own web store, as of October...
Read MoreIT Hardware Tag
Guide
Tag
Latest tagged Guide
How to Check Cisco Switch Power Supply Status, Wattage, and Actual Power Use
On Catalyst 9200 and 9300 switches, start with show environment power all to see each power supply’s status and rated wattage. On...
Read More
How to Check Cisco Warranty Status by Serial Number: 4 Ways
To check Cisco warranty status by serial number, start with the chassis serial number printed on the device label. Without...
Read More
Cisco StackWise Virtual Explained: Architecture, Forwarding, and Failure Recovery
Quick answer: Cisco StackWise Virtual combines two supported, directly connected switches into one logical system, with a shared control and management...
Read More
Cisco Catalyst 9500 Architecture and Design Guide: UADP, Silicon One, SDM, and Deployment Choices
Quick answer: Three forwarding architectures share the Catalyst 9500 name. Earlier base C9500 models use the UADP 2.0 family, current high-performance...
Read More
How to Configure a Cisco IE1000: Express Setup and Device Manager Guide
Run Express Setup on a factory-default Cisco IE1000 to set its management address, management VLAN, gateway, time source, and a...
Read More
Cisco IOS XE Upgrade Guide for Switches and Routers
No single command sequence upgrades every IOS XE device safely. Establish the exact platform, current release, operating mode, boot mode,...
Read More
How to Configure a Cisco ASA Firewall: Step-by-Step CLI Guide
Quick answer: A working Cisco ASA baseline needs correctly addressed and enabled inside/outside interfaces, a default route, source PAT for the...
Read More
Cisco Optics SKU Decoder: How to Read Common Ethernet Optics Part Numbers
Quick answer: Read most modern Cisco Ethernet optics product IDs (PIDs) from left to right: family → speed → media/reach → variant. SFP-10G-SR-S,...
Read More
Cisco Industrial Switches for Substations: Which Models Qualify and How to Choose
For substation deployments, Cisco’s current platform answer is the Catalyst IE9300 Rugged Series: a 1RU rack-mount switch certified to IEC...
Read More
NAT vs PAT: Key Differences, NAT Types, and How They Work
NAT and PAT both translate private IP addresses to public ones, but PAT also translates ports. Plain NAT (static or...
Read More
VLAN vs Subnet: Key Differences and How They Work Together
A VLAN and a subnet both segment a network, but at different layers. A VLAN isolates devices into separate broadcast...
Read More
How to Read Cisco Switch Port Numbers: Interface Numbering Explained
A Cisco switch port name like GigabitEthernet1/0/1 reads as an interface type followed by three numbers — stack member / module / port....
Read More
What Is Cisco ISE? Identity Services Engine Explained for NAC and Zero Trust
Cisco ISE (Identity Services Engine) is Cisco’s network access control (NAC) and policy platform. It authenticates users and devices, checks...
Read More
Patch Panel vs Switch: Do You Need Both?
A patch panel and a switch do completely different jobs: a patch panel passively terminates and organizes your cabling, while a switch actively forwards...
Read More