GRE, IPIP, and SIT Tunnels: Simple Point-to-Point Encapsulation
Configure GRE, IPIP, and SIT tunnels on VyOS. Covers tunnel types, MTU considerations, keepalives, GRE keys, and why simple tunnels solve simple problems.
#vpn
4 posts tagged with "vpn"
TCP MSS Clamping: When and Why to Adjust Segment Size
Master TCP MSS clamping on VyOS for tunnels and PPPoE. Covers MSS vs MTU, clamping configuration, troubleshooting fragmentation, and why MSS clamping fixes problems MTU changes cannot.
IPsec on VyOS: Site-to-Site Tunnels That Survive Reality
Configuring reliable IPsec site-to-site VPNs on VyOS. Covers IKEv2 setup, NAT traversal, dead peer detection, rekeying, and systematic debugging when things go wrong.
WireGuard on VyOS: Production Configuration for Site-to-Site and Road Warriors
Complete WireGuard setup on VyOS covering site-to-site tunnels, mobile clients, kill switches, split vs full tunnel, and the two things that make WireGuard stable: MTU and routing policy.