Tunneling & De-tunneling

Advanced NPB feature deep dive

ERSPAN tunneling and de-tunneling, GRE de-tunneling, VXLAN de-tunneling

NGNPBs provide access to traffic encapsulated for a variety of tunneling protocols, such as Encapsulated Remote SPAN (ERSPAN), Generic Routing Encapsulation (GRE), and Virtual Extensible LAN (VXLAN). These advanced de-tunneling features help ease blind spots of multiple traffic traversing on a network anywhere within your IT infrastructure, whether locally or remotely, physically, or virtually.

Track packets easily by adding IDs to packets based on the source (ingress) port and remove them as they leave the NGNPBs via exit (egress) ports. Using this approach, packets are encapsulated and directed from a switch/VLAN to a target IP endpoint with ERSPAN tunneling and sent to the appropriate tools. Also, by identifying and stripping the protocol, Network Engineers can selectively dictate which types of traffic should be routed to a specific device for further analysis. The X2-Series provides tunnel stripping for GRE, VXLAN, ERSPAN, IP over IP, and Teredo.

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