Procedure
Step 1 Run the display interface [ interface-type [ interface-number [.subnumber ] ] ] command to
display the description, duplex mode, and rate of an Ethernet interface.
----End
1.4 Configuring Advanced Attributes of an Ethernet
Interface
This section describes how to configure the loopback on the Ethernet Interface, minimum
interval for re-enabling an interface, port group, maximum frame size, flow control, flow control
auto-negotiation, cable test, sub-interface IP address, and port isolation.
1.4.1 Establishing the Configuration Task
Applicable Environment
The configuration task is applicable to the following situations:
l The S7700 provides the interface group function, which enables you to configure multiple
interfaces at the same time.
l If the traffic volume received on an interface of the S7700 may exceed the processing
capability of the interface and the directly connected interface supports traffic control,
enable the traffic control function on the interface. When the rate of received traffic reaches
the threshold, the interface sends a Pause frame (in full duplex mode) or sends a back
pressure signal (in half duplex mode) to notify the peer interface. If the peer interface
supports traffic control, it decreases the rate of at which it sends traffic so that the local
interface can properly process received traffic.
l Ports enabled with port isolation cannot communicate with each other so that ports on the
same VLAN can be isolated. Port isolation provides secure and flexible networking
schemes for customers.
Pre-configuration Tasks
None.
Data Preparation
To configure the advanced functions of Ethernet interfaces, you need the following data.
No.
Data
1 Interface number
2 (Optional) Maximum frame length allowed on the interface
Quidway S7700 Smart Routing Switch
Configuration Guide - Ethernet 1 Ethernet Interface Configuration
Issue 01 (2011-07-15) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
8
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