Wireless switch with virtual wireless switch modules
A wireless switch device is provided that includes a first wired Ethernet interface and a second wired Ethernet interface, and a plurality of virtual wireless switch modules (VWSMs) implemented within the wireless switch device. The VWSMs include a first VWSM that is coupled to a first access port via the first wired Ethernet interface that is allocated to the first VWSM, and a second VWSM that is coupled to a second access port via the second wired Ethernet interface that is allocated to the second VWSM. The first VWSM can be control and manage the first access port, and the second VWSM can control and manage the second access port.
1. A wireless local area network, comprising:
a plurality of access ports, comprising: a first group of access ports and a second group of access ports;
a wireless switch device comprising a plurality of virtual wireless switch modules (VWSMs), and a plurality of wired Ethernet interfaces, comprising:
a first VWSM, coupled to the first group of access ports, via a first group of the wired Ethernet interfaces allocated to the first VWSM, wherein the first VWSM controls the first group of access ports, associated with the first VWSM;
a second VWSM, coupled to the second group of access ports via a second group of the wired Ethernet interfaces allocated to the second VWSM, wherein the second VWSM controls the second group of access ports associated with the second VWSM; and
a management module designed to individually manage the plurality of VWSMs independently of each other, wherein the management module comprises:
an access port configuration sub-module designed to configure the plurality of access ports;
an access port management sub-module designed to manage the plurality of access ports; and
a wireless client device management sub-module designed to manage wireless client devices communicating via any of the VWSMs.
2. A wireless local area network according to claim 1 , wherein the first VWSM is designed to communicate wireless packets with the first group of access ports, and is designed to serve as a termination point for a wireless protocol.
3. A wireless local area network according to claim 1 , wherein the first VWSM comprises a first wireless packet forwarding module that is designed to:
receive an inbound wireless packet from a wireless client device from the first access port, decapsulate the inbound wireless packet to generate IEEE 802.3 packet, determine a destination MAC address from layer 2 (L2) header information in the IEEE 802.3 packet, layer 3 (L3) route the IEEE 802.3 packet to a next-hop destination if the destination MAC address in L2 header of the IEEE 802.3 packet is the same as a MAC address of the first VWSM, and switch the IEEE 802.3 packet over a wire to one of a layer 2 (L2) entity and a layer 3 (L3) entity if the destination MAC address in L2 header of the IEEE 802.3 packet is different than a MAC address of the first VWSM; and
receive outbound IEEE 802.3 packets destined for a wireless client device, encapsulate the outbound IEEE 802.3 packets to generate wireless packets, and send the wireless packets to one of the first group of access ports, for transmission to the wireless client device.
4. A wireless local area network according to claim 3 , wherein the wireless packets are IEEE 802.11 data packets.
5. A wireless local area network according to claim 1 , wherein the wireless switch device comprises a set of physical resources, wherein a first portion of the set of physical resources are allocated to the first VWSM, and wherein a second portion of the set of physical resources are allocated to the second VWSM.
6. A wireless local area network according to claim 1 , wherein the wireless switch device comprises:
a plurality of core central processing units comprising:
a first core central processing unit allocated to the first VWSM, and
a second core central processing unit allocated to the second VWSM.
7. A wireless local area network according to claim 1 , wherein the wireless switch device comprises:
Random Access Memory (RAM) having a first amount of storage capacity, wherein:
a first portion of the first amount of storage capacity is allocated to the first VWSM, and
a second portion of the first amount of storage capacity is allocated to the second VWSM.
8. A wireless local area network according to claim 1 , wherein the wireless switch device comprises:
a non-volatile storage device having a second amount of storage capacity, wherein:
a first portion of the second amount of storage capacity is allocated to the first VWSM, and
a second portion of the second amount of storage capacity is allocated to the second VWSM.
9. A wireless local area network according to claim 1 , wherein the wireless switch device comprises:
a single physical wireless switch device implemented within a single housing, and wherein the plurality of virtual wireless switch modules (VWSMs) run within the single physical wireless switch device.
10. A wireless local area network according to claim 1 , further comprising:
a L2 switch device coupled to the wireless switch device;
a L3 router coupled to the L2 switch; and
a wired host system coupled to the L3 router.
11. A wireless local area network according to claim 10 , wherein the wireless switch device comprises:
a plurality of Ethernet ports comprising:
a first group of Ethernet ports allocated to the first VWSM, the first group of Ethernet ports being coupled to the first group of access ports; and
a second group of Ethernet ports allocated to the second VWSM, the second group of Ethernet ports being coupled to the second group of access ports.
12. A wireless local area network according to claim 1 , wherein the first VWSM further comprises a first networking service module, a first wireless service module, a first configuration service module, a first security service module, a first administration service module, and a first application service module, and wherein the second VWSM further comprises a second networking service module that operates independently of the first networking service module, a second wireless service module that operates independently of the first wireless service module, a second configuration service module that operates independently of the first configuration service module, a second security service module that operates independently of the first security service module, a second administration service module that operates independently of the first administration service module, and a second application service module that operates independently of the first application service module.