NETWORKING NOTES FOR MYSELF, SOMEONE WHO IS EASILY DISTRACTED.

PENGUIN!

MPLS Overview

Multiprotocol Label Switching RFC3031 Multiprotocol Can transport different payloads Layer 2 Payloads Ethernet, Frame Relay, ATM, PPP, HDLC, etc. Layer 3 IPv4, IPv6, etc. Extensible for new future payloads Label Switching Switches traffic between interfaces based on locally significant label values. Similar to legacy virtual circuit switching Frame Relay input/output DLCI ATM input/output VPI/VCI Why? … Continue reading MPLS Overview

BGP Tunneling/MPLS Start

Like any routing protocol, BGP can be used over a GRE tunnel to bypass BGP peering or full mesh across multiple routers. In the image below there are 10 routers and they’re all running OSPF in area 0 except for R10 to R8 and R7 to R9. OSPF is simply used for reachability. R10, R8, … Continue reading BGP Tunneling/MPLS Start


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