Bài viết liên quan đến thiết bị mạng của Cisco
The DDNS aka Dynamic DNS is an old feature that several routers (non only Cisco devices) have implemented and, in some circumstances, it is very useful. […]
The Cisco Catalyst 6500 Series Virtual Switching System (VSS) allows the clustering of two chassis together into a single, logical entity.
In a previous article, I explained what is and how it works DMVPN technology. In this article you see how to configure DMVPN
In my opinion, a good network engineer must know the “show interface” in depth; indeed, this command is useful to obtain
In an old post, dated 2011, I explained various types of VPN technologies. In seven years several things have changed: SHA1
I’m no electrical engineer, (the closest experience I have with electricity is the amount of electrocution I received when I
PCRE Regex Cheatsheet Regular Expression Basics . Any character except newline a The character a ab The string ab a|b
Cisco: Trace MAC or IP addresses to switch ports Sometimes, people ask me to locate switch ports where their machines/servers
Link Aggregation – LACP Protocol Valter Popeskic Data link layer, Switching No Comments EtherChannel enables bundling multiple physical links connecting
SW65-reserved#archive download-sw /overwrite tftp://10.0.32.201/c2960x-universalk9-tar.152-6.E.tar Loading c2960x-universalk9-tar.152-6.E.tar from 10.0.32.201 (via Vlan777): !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! [OK – 36003840 bytes] Loading c2960x-universalk9-tar.152-6.E.tar from 10.0.32.201 (via