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Configuring a Gigabit Ethernet Interface—Quick Configuration

You can use J-Web Quick Configuration to quickly configure a Gigabit Ethernet interface.

Figure 11 shows the Gigabit Ethernet Interface Quick Configuration page.

Figure 11: Gigabit Ethernet Interface Quick Configuration

Image QC_interface2.gif

  1. Select Configuration > Quick Configuration > Interfaces. The properties you can configure on a Gigabit Ethernet interface appear, as shown in Figure 11.
  2. Fill in the information as described in Table 32.
  3. Click one of the following buttons:
  4. Verify that the Gigabit Ethernet interface is configured correctly, by seeing the JUNOS Software Interfaces and Routing Configuration Guide.

Table 32: Gigabit Ethernet Quick Configuration Page Summary

Field

Function

Actions

Logical Interfaces

Add Logical Interfaces

Defines one or more logical units that you connect to this physical Gigabit Ethernet interface. You must define at least one logical unit for a Gigabit Ethernet interface.

Click Add.

Logical Interface Description

(Optional) Describes the logical interface.

Type a text description of the logical interface to more clearly identify it in monitoring displays.

IPv4 Addresses and Prefixes

Specifies one or more IPv4 addresses for the interface.

  1. Type one or more IPv4 addresses and prefixes. For example:
    10.10.10.10/24.  
    
  2. Click Add.
  3. Click OK.

    To delete an IP address and prefix, select them in the Source Addresses and Prefixes dialog box, then click Delete

ARP Address

Enables the device to create a static Address Resolution Protocol (ARP) entry for this interface by specifying the IP address of a node to associate with its media access control (MAC) address. The IP address must be in the same subnet as the IPv4 address or prefix of the interface you are configuring.

Static ARP entries associate the IP addresses and MAC addresses of nodes on the same subnet, enabling the device to respond to ARP requests having destination addresses that are not local to the incoming interface.

Type an IPv4 address that you want to associate with the MAC address—for example, 10.10.10.1.

MAC Address

Specifies the hardware media access control (MAC) address associated with the ARP address.

The MAC address uniquely identifies the system and is expressed in the following format: mm:mm:mm:ss:ss:ss. The first three octets denote the hardware manufacturer ID, and the last three are serial numbers identifying the device.

Type the MAC address to be mapped to the ARP entry—for example,

00:12:1E:A9:8A:80.

Publish

Enables the device to reply to ARP requests for the specified address.

  • To enable publishing, select the check box.
  • To disable publishing, clear the check box.

Physical Interface Description

(Optional) Adds supplementary information about the physical Gigabit Ethernet interface.

Type a text description of the Gigabit Ethernet interface to more clearly identify it in monitoring displays.

MTU (bytes)

Specifies the maximum transmission unit size for the Gigabit Ethernet interface.

Type a value between 256 and 9014 bytes. The default MTU for Gigabit Ethernet interfaces is 1514.

Per Unit Scheduler

Enables scheduling on logical interfaces.

Allows you to configure multiple output queues on a logical interface and associate an output scheduler and shaping rate with the queues.

  • To enable scheduling, select the check box.
  • To disable scheduling, clear the check box.
Gigabit Ethernet Options

Loopback

Enables or disables the loopback option.

Select Yes to enable the loopback diagnostic option, or select No to disable the loopback option. By default, loopback is disabled.

Auto Negotiation

Enables or disables auto negotiation.

By default, Gigabit Ethernet interfaces auto negotiate the link mode and speed settings. If you disable auto negotiation and do not manually configure link mode and speed, the link is negotiated at 1000 Mbps, full duplex.

When you configure both the link mode and the speed, the link negotiates with the manually configured settings whether auto negotiation is enabled or disabled.

Select Yes to enable auto negotiation, or select No to disable it. By default, auto-negotiation is enabled.

Auto Negotiation Remote Fault

Indicates the auto negotiation remote fault value.

Select the auto-negotiation remote fault value from the list of options given. This field is enabled only if auto negotiation is enabled.

Source MAC Address Filters

Displays the list of media access control (MAC) addresses from which you want to receive packets on this interface.

To add MAC addresses, type them in the boxes above the Add button, then click Add.

 


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