Comparison Between Implementations of Link Aggregation on Huawei and Cisco Switches

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Comparison Between Implementations of Link Aggregation on Huawei and Cisco Switches

Overview

The implementation mechanism of link aggregation in manual load balancing mode and LACP mode on Huawei switches is similar to that on Cisco switches, but commands and default settings are different.

Comparison Between Default Settings

Table 6-14 compares default settings of link aggregation on Huawei switches and Cisco switches.

Table 6-14  Comparison between default settings

Parameter

Huawei Switches

Cisco Switch

LACP system priority

32768

32768

LACP interface priority

32768

32768

Load balancing mode

Src-dst-ip

-

NOTE:

The default load balancing modes on Cisco switches are different depending on models. For details, see Cisco product documentation.

Timeout interval of LACPDUs

90s

90s

Command Comparison

Table 6-15 compares link aggregation commands on Huawei switches and Cisco switches.

Table 6-15  Command comparison

Function

Command on Huawei Switches

Command on Cisco Switches

Create an Eth-Trunk.

interface Eth-Trunk trunk-id

interface port-channel group_number

Configure a link aggregation mode.

mode { lacp | manual load-balance }

channel-group group_number mode { active | auto|desirable | on | passive }

NOTE:

Cisco switches provide five link aggregation modes. The active and passive modes of link aggregation on Cisco switches correspond to those on Huawei switches. The on mode on Cisco switches corresponds to the manual load balancing mode on Huawei switches. The auto and desirable modes of link aggregation are based on the Port Aggregation Protocol (PAgP), which is a Cisco proprietary protocol. Huawei switches do not provide the corresponding link aggregation mode.

Add member interfaces to an Eth-Trunk.

eth-trunk trunk-id [ mode { active | passive } ]

channel-group group_number mode { active | auto|desirable | on }

Configure the LACP system priority.

lacp priority priority (system view)

lacp system-priority priority_value (system view)

Configure the LACP interface priority.

lacp priority priority (interface view)

lacp system-priority priority_value (interface view)

Configure a load balancing mode.

load-balance { dst-ip | dst-mac | src-ip | src-mac | src-dst-ip | src-dst-mac }

port-channel load-balance { src-mac | dst-mac | src-dst-mac | src-ip | dst-ip | src-dst-ip | src-port | dst-port | src-dst-port } [ module slot]

Configure the threshold for the number of active interfaces.

max active-linknumber link-number

lacp max-bundle number

Check the link aggregation configuration.

display eth-trunk [ trunk-id [ interface interface-type interface-number | verbose ] ]

show interfaces interface-type interface-numberetherchannel

show etherchannel load-balance


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