Little bits of information someone might find useful, or not
Baby Jumbo Frames (as defined in RFC 4638) are a pretty useful feature. In short, they allow you to have a standard 1500 byte MTU on PPPoE connections. Normally, due to the 8 byte PPPoE header the connection is reduced to a MTU of 1492 bytes. Baby Jumbo Frames allows for the MTU of the underlying interface to be increased to...
Following on from my previous post about building a IPsec tunnel between a Palo Alto firewall and a pfSense VM, I started trying to build a GRE tunnel between a OpenWRT router on my local network and the pfSense VM. Since GRE tunnels are unencrypted, it needs to traverse the IPSEC tunnel and not the internet! Nothing will stop you from running a GRE...
As part of an ongoing home network project, i’m trying to set up an IPsec VPN mesh between different sites – e.g. my own home, family home and VPS hypervisor located in an offsite datacentre. The reasoning behind this? Because I can and because it’s fun! To allow for easier resource sharing and remote diagnosis. To allow for an always-on VPN...
