VLAN server

Details VLAN server VLAN server

2004-07-26

2008-09-02

Backer, Firmin (Department: 2616)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C370S252000

Reexamination Certificate

active

07420979

ABSTRACT:
One physical VLAN server provides a plurality of VLANs with services. VLANs #1to #3are connected to the VLAN server though a switching hub. The VLAN server includes server processes #1to #3corresponding to the VLANs #1to #3, respectively, for providing the VLANs with services. The server processes #1to #3each have internal IP addresses N1, N2, and N3. The VLAN server has external IP addresses G1, G2, and G3for the VLANs #1to #3, respectively. When a client #1-1on the VLAN #1issues data to the VLAN server with the destination IP address being set to G1, a receiving-VLAN-tag-NAT processing section of a device driver in the VLAN server changes the destination IP address from G1to N1with the use of a VLAN tag V1, and the server process #1receives the data

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“Architecture For Creating and Maintaining Virtual Filers on a Filer” pp. 1-65.

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