Tech Corner / Cisco
Cisco Hardware Reaching EOSL in 2023: What Now?
by PivIT Global on May 4, 2023 7:15:00 AM
Cisco is the world’s leading network equipment manufacturer. So chances are your enterprise’s network relies on its equipment. So keeping track of end-of-sale (EOS) and end-of-service-life (EOSL) dates are important.
A Crash Course in Cisco ASA Modular Policy Framework
by PivIT Global on Apr 25, 2023 7:06:00 AM
Besides operating as a stateful packet filtering firewall where all sessions are stored in a state table, Cisco ASA appliance can also function as an application firewall. This allows for performing deep packet application inspections based on which network engineers can assign approp …
How to Secure Administrative Access on Cisco IOS Devices
by PivIT Global on Apr 11, 2023 7:14:00 AM
Securing administrative access to network devices in an enterprise network is one of the most essential responsibilities that networking engineers have — sometimes the process can be challenging.
Your Guide to Switching Mechanisms — and Why They’re Important
by PivIT Global on Mar 14, 2023 7:00:00 AM
Switches play a crucial role in each network regardless of their size. They’re a fundamental building block for any network, connecting devices. Besides the support they provide for end devices to gain network access, they are also responsible for exchanging frames and performing filt …
Here’s How to Benefit From Using CDP and LLDP on Cisco Devices
by PivIT Global on Mar 7, 2023 7:10:00 AM
Documentation about an enterprise network topology provides many benefits to IT engineers. Such documentation allows you to perform hardware and software upgrades and optimal tuning. But most importantly, it allows you to troubleshoot the network when issues arise.
RADIUS vs. TACACS+: Which AAA Protocol Should You Choose?
by PivIT Global on Mar 1, 2023 7:00:00 AM
Authenticating users before providing them with access to network resources is nothing new.
Telnet Versus SSH: How SSH Works and Why It's Better
by PivIT Global on Sep 15, 2022 7:15:00 AM
A Pew Research Center survey found that 54% of U.S. employees prefer working from home. Additionally, the current trends suggest that a hybrid or 100% remote work model will become a standard over the next few years. This model has meant that businesses have had to create remote conne …
Your Ultimate NAT Configuration Guide for Cisco IOS – Pt. 2
by PivIT Global on Aug 23, 2022 7:01:00 AM
Internet Protocol Version 4 (IPv4) uses a 32-bit address space, which allows for a limit of 4,294,967,296 addresses. However, the initial design of IPv4 did not factor in the rapid growth of the internet. Because of the scarcity of IPv4 addresses, many organizations implemented NAT to …