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CCIE R&S, CCNP ROUTE, CISCO, COURSES, ISSUES, NETWORKING
Route Selection in Cisco Routers
Introduction Prerequisites Requirements Components Used Conventions Processes Involved Building the Routing Table Backup Routes Adjusting the Administrative Distance How Metrics
CCIE R&S, CCNA, CCNP ROUTE, CISCO, COURSES, ISSUES, NETWORKING
CÁCH LÀM CISCO ROUTER NHẬN USB
Nếu ta có USB =<4 GB, ta chỉ cần dùng windows format theo chuẩn FAT là xong! Nếu ta có
CCIE R&S, CCNA, CCNP ROUTE, CISCO, COURSES, ISSUES, NETWORKING
SECURITY ROUTER FACING INTO INTERNET/ BORDER ROUTER/ INTERNET ACCESS ROUTER
https://www.google.com.vn/search?q=acl+to+protec+border+router&oq=acl+to+protec+border+router&aqs=chrome..69i57.11683j0j7&sourceid=chrome&ie=UTF-8 https://www.sans.org/reading-room/whitepapers/networkdevs/securing-network-internet-access-router-or-moneys-worth-cisco-gear-242 https://searchnetworking.techtarget.com/tip/Protecting-your-border-routers https://www.cymru.com/Documents/secure-ios-template.html https://insights.sei.cmu.edu/sei_blog/2017/05/best-practices-for-network-border-protection.html https://community.cisco.com/t5/routing/acl-on-border-router/td-p/1348932 https://community.cisco.com/t5/routing/border-router-acl-and-good-practices/td-p/477743
CCIE R&S, CCNA, CCNP ROUTE, CISCO, COURSES, ISSUES, NETWORKING
DDNS: How to manage a device with a dynamic public IP
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.
CCIE R&S, CCNA, CCNP ROUTE, CISCO, COURSES, ISSUES, NETWORKING
Cisco 6500 VSS configuration
The Cisco Catalyst 6500 Series Virtual Switching System (VSS) allows the clustering of two chassis together into a single, logical entity.
CCIE R&S, CCNA, CCNP ROUTE, CISCO, COURSES, ISSUES, NETWORKING
DMVPN Phase 3: a complete guide
In a previous article, I explained what is and how it works DMVPN technology. In this article you see how to configure DMVPN
CCIE R&S, CCNA, CCNP ROUTE, CISCO, COURSES, ISSUES, NETWORKING
Show interface in depth
In my opinion, a good network engineer must know the “show interface” in depth; indeed, this command is useful to obtain
CCIE R&S, CCNA, CCNP ROUTE, CCNP SWITCH, CCNP TSHOOT, CISCO, COURSES, NETWORKING
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, 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