2022/8/31/ / Last updated : 2022/9/14/ Gene Point-to-point GRE tunnel with FVRF (tunnel vrf command) The overlay network of a point-to-point GRE tunnel is separated from the underlay network by VRF. Then, the overlay network must be associated with the underlay network. The tunnel vrf command is the configuration command for this purpose.
2022/8/30/ / Last updated : 2022/9/9/ Gene Point-to-point GRE Tunnel without FVRF To better understand FVRF (Front door VRF), consider a network diagram that does not use FVRF. We will build an overlay network with point-to-point GRE tunnels; we will consider the problems that can arise when VRF is not used.
2022/8/29/ / Last updated : 2022/9/20/ Gene What Is FVRF(Front door VRF)? FVRF (Front door VRF) is the logical partitioning of overlay and underlay networks by VRF. This article describes the concept of FVRF.
2022/8/12/ / Last updated : 2022/12/26/ Gene BGP neighbor as-override command The neighbor as-override command rewrites the AS_PATH attribute of a BGP route to advertise to a specific neighbor. This section describes the neighbor as-override command.
2022/8/9/ / Last updated : 2022/12/23/ Gene BGP neighbor allowas-in command The neighbor allowas-in command disables AS_PATH loop prevention for BGP routes received from a specific neighbor.
2022/8/8/ / Last updated : 2022/12/27/ Gene BGP Route RIB Failure If the best-path BGP route is not registered in the routing table, the route is placed in RIB Failure status.This section describes RIB Failure of BGP route.
2021/9/2/ / Last updated : 2021/9/7/ Gene Why the OSPF neighbor state gets stuck in Exstart? This section details how OSPF neighbors can get stuck in the Exstart state.
2021/8/31/ / Last updated : 2021/9/2/ Gene OSPF LSAck(Link State Acknowledgement) Packet OSPF LSAck packet is a packet to confirm the reception of LSAs.
2021/8/30/ / Last updated : 2021/9/14/ Gene OSPF LSU(Link State Update) Packet The OSPF LSU packet is used to advertise the LSAs requested in the LSR packet.
2021/8/27/ / Last updated : 2021/9/2/ Gene OSPF LSR(Link State Request) Packet Request the LSA with OSPF LSR Packet. This section describes the format of LSR packet.
