2.4.4 (Optional) Configuring the Load Balancing Mode
Context
Do as follows on the S7700 where you need to configure the Eth-Trunk load balancing mode.
Procedure
Step 1 Run:
system-view
The system view is displayed.
Step 2 Run:
interface eth-trunk trunk-id
The Eth-Trunk view is displayed.
Step 3 Run:
load-balance { dst-ip | dst-mac | src-ip | src-mac | src-dst-ip | src-dst-mac |
enhanced profile profile-name }
The load balancing mode is configured for the Eth-Trunk.
The default load balancing mode is src-dst-ip.
The S7700 supports the following load balancing modes:
l dst-ip: load balancing based on the destination IP address. In this mode, the system obtains
the specified three bits from each of the destination IP address and the TCP or UDP port
number in outgoing packets to perform the Exclusive-OR calculation, and then selects the
outgoing interface from the Eth-Trunk table according to the calculation result.
l dst-mac: load balancing based on the destination MAC address. In this mode, the system
obtains the specified three bits from each of the destination MAC address, VLAN ID,
Ethernet type, and incoming interface information to perform the Exclusive-OR calculation,
and then selects the outgoing interface from the Eth-Trunk table according to the calculation
result.
l src-ip: load balancing based on the source IP address. In this mode, the system obtains the
specified three bits from each of the source IP address and the TCP or UDP port number in
incoming packets to perform the Exclusive-OR calculation, and then selects the outgoing
interface from the Eth-Trunk table according to the calculation result.
l src-mac: load balancing based on the source MAC address. In this mode, the system obtains
the specified three bits from each of the source MAC address, VLAN ID, Ethernet type, and
incoming interface information to perform the Exclusive-OR calculation, and then selects
the outgoing interface from the Eth-Trunk table according to the calculation result.
l src-dst-ip: load balancing based on the Exclusive-OR result of the source IP address and
destination IP address. In this mode, the system performs the Exclusive-OR calculation
between the Exclusive-OR results of the dip and dmac modes, and then selects the outgoing
interface from the Eth-Trunk table according to the calculation result.
l src-dst-mac: load balancing based on the Exclusive-OR result of the source MAC address
and destination MAC address. In this mode, the system obtains three bits from each of the
source MAC address, destination MAC address, VLAN ID, Ethernet type, and incoming
Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet 2 Link Aggregation Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
29
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