TSHOOT – IPv4 Route Selection / Packet Switching process, Static Routing for IPv4 and IPv6 with troubleshooting!

Above is the IP Packet Switching architecture, with the IP Route / ARP Table at the "Control Plane" at the Top, which then feeds the FIB (Forward Information Base) aka IP CEF and Adjacency Table to perform Hardware Packet Switching. Packet Switching is covered extremely in depth in this article, however it will be briefly … Continue reading TSHOOT – IPv4 Route Selection / Packet Switching process, Static Routing for IPv4 and IPv6 with troubleshooting!

TSHOOT – Hex, IPv4 Addressing, DHCP, and IP NAT review and troubleshooting!

Above is a quick reminder of different Hex values, given the previous post on FHRP troubleshooting which includes the VLAN / Router Group in Hex format. Click here for my full Hex Conversion article. It will be needed for IPv6 troubleshooting! Now a quick but necessary review of IPv4 identification! It is important to be … Continue reading TSHOOT – Hex, IPv4 Addressing, DHCP, and IP NAT review and troubleshooting!