Understanding Cisco DMVPN
In an old post, dated 2011, I explained various types of VPN technologies. In seven years several things have changed: SHA1 […]
CCIE R&S, CCNA, CCNP ROUTE, CCNP SWITCH, CCNP TSHOOT, CISCO, COURSES, NETWORKING
KIẾN THỨC
Chuỗi bài viết chia sẻ kiến thức
CCIE R&S, CCNA, CCNP ROUTE, CCNP SWITCH, CCNP TSHOOT, CISCO, COURSES, ISSUES, KIẾN THỨC, NETWORKING
How to use Time-Domain Reflectometer (TDR)
I’m no electrical engineer, (the closest experience I have with electricity is the amount of electrocution I received when I
CCIE R&S, CCNA, CCNP ROUTE, CCNP SWITCH, CCNP TSHOOT, CISCO, COURSES, ISSUES, ISSUES, JNCIA, JNCIE, JNCIP, JUNIPER, NETWORKING, SYSTEM
Regular Expression Cheat Sheets
PCRE Regex Cheatsheet Regular Expression Basics . Any character except newline a The character a ab The string ab a|b
CCNP TSHOOT, CISCO, COURSES, ISSUES, NETWORKING
Cisco: Trace MAC or IP addresses to switch ports
Cisco: Trace MAC or IP addresses to switch ports Sometimes, people ask me to locate switch ports where their machines/servers
MONITORING, NETWORKING, SYSTEM
GRAFANA
##Mục lục 1. Grafana logical model 2. Grafana Dashboard 2.1. Pie Chart 2.2 Graph 2.3 Singlestat 3. Reset admin password
MONITORING, NETWORKING, SYSTEM
GỬI EMAIL CẢNH BÁO VỚI ZABBIX
##Hướng dẫn gửi mail cảnh báo với Zabbix Bài viết hướng dẫn gửi mail cảnh báo với Zabbix thông qua
CCIE R&S, CCNA, CCNP SWITCH, CISCO, COURSES, NETWORKING
Link Aggregation – LACP Protocol
Link Aggregation – LACP Protocol Valter Popeskic Data link layer, Switching No Comments EtherChannel enables bundling multiple physical links connecting
CCIE R&S, CCNA, CCNP ROUTE, CCNP SWITCH, CCNP TSHOOT, CISCO, COURSES, ISSUES, NETWORKING
CÁCH UPGRADE / RECOVERY CISCO IOS TRÊN SWITCH CISCO CATALYST
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
CCIE R&S, CCNA, CCNP ROUTE, CCNP SWITCH, CCNP TSHOOT, CISCO, COURSES, NETWORKING
PHÂN LOẠI CISCO IOS VÀ CÁC LOẠI IOS LICENSE
Hiện tại Cisco phát triển các dòng IOS như sau: Cisco IOS Software: là thế hệ IOS được thiết kế