Checking The Configuration; Configuring An E-Trunk; Establishing The Configuration Task - Huawei Quidway S7700 Configuration Manual - Ethernet

Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet
When more than one IP address is set for an Eth-Trunk interface, the keyword sub can be used
to indicate the IP addresses other than the first IP address.
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2.5.4 Checking the Configuration

Procedure
l
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2.6 Configuring an E-Trunk

As an extension to the Link Aggregation Protocol (LACP) that implements link aggregation on
a single device, the Enhanced Trunk (E-Trunk) protocol implements link aggregation between
different devices. This improves link reliability between devices.

2.6.1 Establishing the Configuration Task

Before configuring an E-Trunk, familiarize yourself with the applicable environment, complete
the pre-configuration tasks, and obtain the data required for the configuration. This will help
you complete the configuration task quickly and accurately.
Applicable Environment
As shown in
when the CE is dual-homed to the two PEs. The CE is connected to PE1 and PE2 through a static
LACP Eth-Trunk respectively. The two Eth-Trunks form an E-Trunk to implement backup of
link aggregation groups between PE1 and PE2, enhancing the network reliability.
Figure 2-4 Networking diagram of the E-Trunk
CE
Pre-configuration Tasks
Before configuring an E-Trunk, complete the following tasks:
Issue 01 (2011-07-15)
Run the display interface eth-trunk [ trunk-id [.subnumber ] ] command to check the
status of an Eth-Trunk interface.
Figure 2-4, the E-Trunk is used to protect the links between a CE and two PEs
PE1
E-Trunk1
PE2
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2 Link Aggregation Configuration
Network
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