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Feature Description - VPN 01

NE05E and NE08E V300R003C10SPC500

This is NE05E and NE08E V300R003C10SPC500 Feature Description - VPN
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Application of GRE on an ERSPAN Network

Application of GRE on an ERSPAN Network

Encapsulated remote switched port analyzer (ERSPAN) is a traffic mirroring protocol that mirrors traffic to one or more ports or virtual local area networks (VLANs). The mirrored traffic is sent to a server for monitoring.

On the network shown in Figure 3-15, Device A sends traffic to Device B over the IP network. For traffic monitoring, Device A uses ERSPAN to mirror the traffic to a listening port of Device C over a GRE tunnel. The server connected to the listening port can then monitor the mirrored traffic on the listening port.

Figure 3-15 Application of GRE on an ERSPAN network

Updated: 2019-01-14

Document ID: EDOC1100058940

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