Cat_6509(enable) show running-config

Link aggregation with Cisco Fast Ethernet Switches

Some customers have an investment in a Cisco Fast Ethernet (100Mbps) network. In this case the customer may not want to incur the expense to replace their Cisco Fast Ethernet switches to match the highest speed of the Dell PowerConnect 5316M, but they still want to have the most bandwidth possible. Since the Dell PowerConnect 5316M supports auto-negotiation, there is nothing additional that a customer has to do to connect aggregated links to a Cisco Fast Ethernet switch if the Cisco switch’s link aggregation ports are also set to auto negotiation.

The ports in a Dell PowerConnect 5316M LAG are set to auto-negotiation by default. If the negotiation setting of the LAG has been changed due to a previous configuration of the switch, use the following command to set the LAG ports back to auto-negotiation:

5316M(config)# interface port-channel 1

5316M(config-if)# negotiation

To set the ports on a Cisco IOS switch to auto-negotiation, use the following commands:

2950(config)# interface range FastEthernet 0/1 - 3

2950(config-if)# speed auto

2950(config-if)# duplex auto

To set the ports on a Cisco CatOS switch to auto-negotiation, use the following command:

Cat_6509> (enable) set port speed 2/9-11 auto

If auto negotiation cannot be used, both the Dell PowerConnect LAG and the Cisco switch ports in the LAG must be set to the same speed and duplex. One switch cannot be left in auto-negotiation mode and the other forced to a certain speed and duplex or intermittent link failures may occur.

The Dell PowerConnect 5316M LAG can be forced to 100 Mbps with the following commands.

5316M(config)# interface port-channel 1

5316M(config-if)# no negotiation

5316M(config-if)# speed 100

In the example the LAG is referred to as “port-channel 1”. “no negotiation” means that there is no auto negotiation on the ports in the LAG. “speed 100” sets all the ports in the LAG to 100Mbps. Since this is a LAG configuration, and the 802.3ad standard requires all ports in a LAG to be full duplex, it is not required (or allowed via the PowerConnect 5316M CLI) to set the duplex to full. Duplex is set to full by default on LAG ports.

August 2005

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Dell Enterprise Product Group

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Dell 5316M manual Link aggregation with Cisco Fast Ethernet Switches, Cat6509 enable set port speed 2/9-11 auto

5316M specifications

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In conclusion, the Dell 5316M is a versatile multifunction printer that meets the demands of modern businesses. Its combination of high-speed performance, advanced printing technology, robust security features, and user-friendly interface makes it an ideal choice for organizations looking to enhance their productivity while maintaining exceptional print quality. With the Dell 5316M, businesses can streamline their operations and focus on what matters most – growth and success.