When troubleshooting a fiber link on a Cisco router, one of the first things I check is the transmit and...
Navigating the world of internet addressing and IP allocation can be daunting. Amid the jargon, you might come across the...
In this post I’m going to jot down some notes I have sitting around for DDOS. I’ll list some things...
DNS rewrite or DNS Doctoring has been around on the Cisco ASA’s for a while. Palo Alto firewalls received this...
The difference between these is who is initiating the conversation. In Polling, the monitoring server is initiating the conversation asking...
In Border Gateway Protocol (BGP), managing how routes are advertised is critical for network stability and efficiency. Two common methods...
While looking at the design guide for Akamai’s GRE Technical Guide, you’ll notice that the TCP MSS in their example...
Let’s first talk about what happens when a router receives a unicast IP Packet. In order for the router to...
Network Bits Subnet Mask Number of Subnets Number of Hosts /8 255.0.0.0 0 16777214 /9 255.128.0.0 2 (0) 8388606...