Cisco 6200 Guía de usuario descargar pdf (Pagina 11)

APRIL 2008

LINK AGGREGATION INTEROPERABILITY OF THE DELL POWERCONNECT 6200 SERIES SWITCH

COMMAND DESCRIPTION

set channelprotocol pagp 2

Sets module 2 to use the PaGP commands to configure LAGs.

As mentioned previously, in defining a static LAG, the setting for

the channelprotocol does not matter.

set port channel 2/9-11 mode on

Configures the three Ethernet ports (2/9, 2/10, and 2/11) into a

static LAG. Static LAGs do not use PAgP and are defined in the

Cisco CLI by setting the channel mode to on.

NOTE: The number of channel-groups supported by Cisco switches depends on the switch

model.

CONFIRMING A SUCCESSFUL STATIC LINK AGGREGATION CONNECTION

Since LACP is not being used, only careful inspection of the Cisco and PowerConnect 6200

Series configurations can confirm that a static LAG has been established. The following steps

may be helpful:

• Make sure the cabling is attached to the correct ports on both switches

• Check that all LAG ports have link

• On the Dell and Cisco switches, use the show running-config command to

confirm that the desired ports are in the LAG:

ο PC6248# show running-config

ο 3750# show running-config

ο 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 6200 Series, but they still want to have

the most bandwidth possible. Since the Dell PowerConnect 6200 Series switch

supports auto-negotiation (on the external ports), there is nothing additional that a customer

must do to connect aggregated links to a Cisco Fast Ethernet switch if link aggregation ports

on the Cisco switch are also set to auto negotiation.

The ports in a Dell PowerConnect 6200 Series 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:

PC6248(config)# interface range ethernet 1/g17-1/g20

PC6248(config-if)# negotiation

To enable auto-negotiation on the ports, by using the Web interface, use the following steps:

1. From the Switching > Ports > Port Configuration page, click Show All

2. Select the Edit option for port 1/g17 through 1/g20

3. Select Enable from the Auto Negotiation menu

4. Click Apply Changes

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Cisco 6200 Guía de usuario Pagina 11