Dynamic virtual local area network (VLAN) interface configuration
First Claim
1. A method comprising:
- receiving with a network device a plurality of Internet Protocol (IP) packets on a layer two (L2) interface of the network device, wherein the plurality of IP packets are received from a subscriber device;
in response to receiving the plurality of IP packets, dynamically building within the network device a VLAN Ethernet interface for the subscriber device;
after dynamically building the VLAN Ethernet interface, dynamically building within the network device an IP interface column over the dynamic VLAN Ethernet interface for processing the plurality of IP packets;
after dynamically building the IP interface column, authenticating a user associated with the plurality of IP packets based on login information associated with the IP packets; and
automatically tearing down the IP interface column when the user logs out of the network device while persistently maintaining the VLAN Ethernet interface over the L2 interface for the subscriber device.
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Abstract
Techniques are described for dynamically building an Ethernet virtual local area network (VLAN) interface in a network device. The techniques allow dynamic building of a second VLAN interface over a first VLAN interface statically built over an Ethernet port configured to support dynamic VLANs in a network device. A network device may receive a plurality of Ethernet packets from subscriber devices and dynamically build a second VLAN interface over the first VLAN interface for each of the subscribers. Once the second VLAN interface is built, the network device dynamically builds interface columns over the second VLAN interface for each protocol associated with the Ethernet packets. The network device may then authenticate a user associated with the plurality of Ethernet packets. Once the user has logged out of the network device, the network device may tear down the interface columns while persistently maintaining the corresponding second VLAN interface.
95 Citations
9 Claims
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1. A method comprising:
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receiving with a network device a plurality of Internet Protocol (IP) packets on a layer two (L2) interface of the network device, wherein the plurality of IP packets are received from a subscriber device; in response to receiving the plurality of IP packets, dynamically building within the network device a VLAN Ethernet interface for the subscriber device; after dynamically building the VLAN Ethernet interface, dynamically building within the network device an IP interface column over the dynamic VLAN Ethernet interface for processing the plurality of IP packets; after dynamically building the IP interface column, authenticating a user associated with the plurality of IP packets based on login information associated with the IP packets; and automatically tearing down the IP interface column when the user logs out of the network device while persistently maintaining the VLAN Ethernet interface over the L2 interface for the subscriber device. - View Dependent Claims (2, 3, 4, 5, 6, 7, 9)
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8. A network device comprising:
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an interface element that includes an interface controller and an Ethernet port; a forwarding controller that receives a plurality of packets from the Ethernet port and forwards the received packets to the interface controller; an auto-sense module included in the interface controller that automatically determines a subscribers device associated with the plurality of packets; and wherein the interface controller dynamically builds within the network device a VLAN interface for the subscriber device and builds an Internet Protocol (IP) interface column on the VLAN interface when the auto-sense module senses an IP protocol, wherein the interface controller authenticates a user associated based on login information in the packets after dynamically building the interface column, and wherein the interface controller automatically tears down the IP interface column when the user logs out of the network device while persistently maintaining the VLAN interface for the subscriber device.
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Specification