Cisco 6200 Guía de usuario descargar pdf (Pagina 7)

APRIL 2008

LINK AGGREGATION INTEROPERABILITY OF THE DELL POWERCONNECT 6200 SERIES SWITCH

CONFIGURING A CISCO CATOS GIGABIT ETHERNET SWITCH FOR

DYNAMIC LINK AGGREGATION

The following example shows the Cisco CatOS switch CLI commands for configuring six ports

for LACP.

Cat_6509(enable) set channelprotocol lacp 2

Cat_6509(enable) set port lacp-channel 2/1-4 mode active

COMMAND DESCRIPTION

set channelprotocol lacp 2

Sets the LAG dynamic protocol to LACP on module 2 (module

2 just happens to be the module that is in the switch used to

validate the examples in this paper. Your switch may be

configured differently).

set port lacp-channel 2/1-4 mode active

Aggregates four ports on module 2 (referred to in the command as

2/1–4, which stands for ports 1 through 6 on module 2) into a

LAG (referred to in the command as lacp-channel), which will

use LACP (referred to in the command as mode active).

NOTE: Only the Cisco mode active is supported for LACP interoperability with the

PowerConnect 6200 Series switch. The other modes (passive, auto, on, desirable)

should not be used when using LACP between a Cisco switch and the PowerConnect 6200

Series switch. Using a mode other than active is a common configuration error.

CONFIRMING A SUCCESSFUL DYNAMIC LINK AGGREGATION CONNECTION

WITH THE 6200 SERIES SWITCH

The following example shows how the PowerConnect 6200 Series show interfaces

port-channel 1 command can be used to assure that the 6200 Series switch has

established a LAG and that the LAG is connected.

PC6248#show interfaces port-channel 1

Channel Ports Hashing-mode

------- ------------------------------------------ ------------

ch1 Active: 1/g17, 1/g18, 3

Inactive: 1/g19, 1/g20

Hash algorithm type

1 - Source MAC, VLAN, EtherType, source module and port Id

2 - Destination MAC, VLAN, EtherType, source module and port Id

3 - Source IP and source TCP/UDP port

4 - Destination IP and destination TCP/UDP port

5 - Source/Destination MAC, VLAN, EtherType and source MODID/port

6 - Source/Destination IP and source/destination TCP/UDP port

The output of the command shows the ports 1/g17-1/g18 are “Active.” This confirms that there

is physical link on the ports 1/g17-1/g18 in the LAG and that the 6200 Series switch has

communicated with the Cisco switch to successfully establish an aggregated link on ports

1/g17-1/g18 with LACP. Ports 1/g19 and 1/g20 are shown as “Inactive” because there is no

physical link on 1/g19 and 1/g20 (i.e. these ports are not connected to the Cisco switch).

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