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S12700 V200R010C00 Configuration Guide - Interface Management

This document describes the principles and configurations of interfaces and provides configuration examples.
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Example for Switching an Interface to Layer 3 Mode

Example for Switching an Interface to Layer 3 Mode

Networking Requirements

As shown in Figure 2-19, PC1, PC2, PC3, and PC4 are on four network segments, and SwitchB, SwitchC, SwitchD, and SwitchE are access switches for these four network segments, respectively. It is required that four physical Ethernet interfaces on SwitchA be configured as gateway interfaces for these four network segments.

Figure 2-19  Networking diagram for configuring the rate and duplex mode in non-auto-negotiation mode

Configuration Roadmap

The configuration roadmap is as follows:

  • Switch interfaces to Layer 3 mode.

  • Configure IP addresses of Layer 3 Ethernet interfaces as gateway addresses.

Procedure

  1. Switch interfaces to Layer 3 mode.

    # Switch an interface to Layer 3 mode.

    <HUAWEI> system-view
    [HUAWEI] sysname SwitchA
    [SwitchA] interface gigabitethernet 1/0/1
    [SwitchA-GigabitEthernet1/0/1] undo portswitch
    [SwitchA-GigabitEthernet1/0/1] quit
    

    # Switch Ethernet interfaces to Layer 3 mode in a batch.

    [SwitchA] undo portswitch batch gigabitethernet 1/0/2 to 1/0/4
    

  2. Configure IP addresses of Layer 3 Ethernet interfaces as gateway addresses.

    # Configure the IP address of GE1/0/1 as a gateway address. The configurations of GE1/0/2, GE1/0/3, and GE1/0/4 are similar to the configuration of GE1/0/1, and are not mentioned here. For details, see the configuration files.

    [SwitchA] interface gigabitethernet 1/0/1
    [SwitchA-GigabitEthernet1/0/1] ip address 10.10.1.1 24
    [SwitchA-GigabitEthernet1/0/1] quit

  3. Verify the configuration.

    Run the display interface GigabitEthernet 1/0/1 command in any view to check the interface working mode.

    [SwitchA] display interface GigabitEthernet 1/0/1
    ...
    Description:                                                                    
    Route Port,The Maximum Frame Length is 9216                                     
    Internet protocol processing : disabled                                         
    ...

    The command output shows that the interface works in Layer 3 mode.

Configuration File

Configuration file of the Switch

#
sysname SwitchA
#
interface GigabitEthernet1/0/1
 undo portswitch     
 ip address 10.10.1.1 255.255.255.0
#
interface GigabitEthernet1/0/2
 undo portswitch     
 ip address 10.10.2.1 255.255.255.0
#
interface GigabitEthernet1/0/3
 undo portswitch     
 ip address 10.10.3.1 255.255.255.0
#
interface GigabitEthernet1/0/4
 undo portswitch     
 ip address 10.10.4.1 255.255.255.0
#
return
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Updated: 2019-04-18

Document ID: EDOC1000142085

Views: 20670

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