High speed autotrucking
First Claim
Patent Images
1. A method of automatically trunking physical ports connecting network devices, the method comprising:
- receiving packets from a sending network device in a receiving network device through each of a plurality of physical ports of the receiving network device, wherein the packets include an identifier for identifying the sending network device;
compiling, at the receiving network device, a first table identifying which physical ports are connected to the sending network device;
automatically trunking the identified physical ports of the receiving network device which are connected to the sending network device into a first trunk group of ports;
recognizing when a link change event between the sending network device and the receiving network device has occurred;
destroying the trunk group when said link change event has occurred; and
after destroying the trunk group;
receiving additional packets from the sending network device in the receiving network device through each of a plurality of physical ports of the receiving network device, wherein the packets include an identifier for identifying the sending network device;
compiling, at the receiving network device, a second table identifying which physical ports are connected to the sending network device;
automatically trunking the identified physical ports of the receiving network device which are connected to the sending network device into a second trunk group of ports.
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Abstract
A method and system for automatically trunking ports connecting network devices arranged in a stacked configuration is provided. The method includes sending a packet, from a sending network device to at least one other receiving network device, through each of a plurality of ports of the network device. The packet includes at least an identifier for identifying the sending network device. The receiving network device maintains a table identifying which ports are connected to a neighboring network device. The network device automatically trunks the ports which are connected to the same network device.
24 Citations
13 Claims
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1. A method of automatically trunking physical ports connecting network devices, the method comprising:
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receiving packets from a sending network device in a receiving network device through each of a plurality of physical ports of the receiving network device, wherein the packets include an identifier for identifying the sending network device; compiling, at the receiving network device, a first table identifying which physical ports are connected to the sending network device; automatically trunking the identified physical ports of the receiving network device which are connected to the sending network device into a first trunk group of ports; recognizing when a link change event between the sending network device and the receiving network device has occurred; destroying the trunk group when said link change event has occurred; and after destroying the trunk group; receiving additional packets from the sending network device in the receiving network device through each of a plurality of physical ports of the receiving network device, wherein the packets include an identifier for identifying the sending network device; compiling, at the receiving network device, a second table identifying which physical ports are connected to the sending network device; automatically trunking the identified physical ports of the receiving network device which are connected to the sending network device into a second trunk group of ports. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A network device, comprising:
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a plurality of physical ports connected to another network device; and at least one central processing unit (CPU) interface configured to communicate with a CPU to maintain a table identifying the ports connecting the network device to the other network device; wherein the network device is configured to automatically trunk the physical ports which are connected to the other network device into a first trunk group of ports, wherein the network device is configured to recognize when a link change event between the network device and the other network device has occurred, wherein the network device is configured to destroy any existing trunk groups when said link change event has occurred, and wherein the network device is configured to re-initiate the automatic trunking of the physical ports when said link change event has occurred. - View Dependent Claims (8, 9, 10, 11, 12, 13)
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Specification