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Configuring Gigabit and 10-Gigabit Ethernet Interfaces

Devices include a factory default configuration that:

  • Enables all 10-Gigabit Ethernet network interfaces on the switch
  • Sets a default port mode (access)
  • Sets default link settings
  • Specifies a logical unit (unit 0) and assigns it to family ethernet-switching
  • Configures Storm Control on all 10-Gigabit Ethernet network interfaces
  • Provides basic Rapid Spanning Tree Protocol (RSTP) and Link Layer Discovery Protocol (LLDP) configuration

    Note: RSTP and LLDP are not supported on the OCX Series.

The ether-options statement enables you to modify the following options:

  • 802.3ad—Specify an aggregated Ethernet bundle for both Gigabit Ethernet and 10-Gigabit Ethernet interfaces.
  • autonegotiation—Enable or disable autonegotation of flow control, link mode, and speed for interfaces.
  • link-mode—Specify full-duplex, half-duplex, or automatic for Gigabit Ethernet interfaces.
  • loopback—Enable or disable a loopback interface for both Gigabit Ethernet and 10-Gigabit Ethernet interfaces.

To set ether-options for both Gigabit Ethernet and 10-Gigabit Ethernet interfaces:

[edit]
user@switch# set interfaces interface-name ether-options

This topic describes:

Configuring Port Mode on QFX5100-48S, QFX5100-48T, QFX5100-24Q, and EX4600 Switches

If you are connecting a switch to other switches and to routers on the LAN, you need to assign the interface to a logical port and you need to configure the logical port as a trunk port.

To configure a Gigabit Ethernet or 10-Gigabit interface for trunk port mode on the original CLI:

[edit]
user@switch# set interfaces interface-name unit logical-unit-number family ethernet-switching port-mode trunk

To configure a Gigabit Ethernet or 10-Gigabit interface for trunk port mode on the Enhanced Layer 2 software (ELS):

[edit]
user@switch# set interfaces interface-name unit logical-unit-number family ethernet-switching interface-mode trunk

Configuring the Link Settings for Gigabit Ethernet Interfaces on QFX5100-48S, QFX5100-24Q Switches, and EX4600 Switches

Devices include a factory default configuration that enables Gigabit Ethernet interfaces with applicable link settings.

The following default configurations are available on Gigabit Ethernet interfaces:

  • You cannot set the speed on these interfaces.
  • Gigabit Ethernet interfaces operate in full-duplex mode.
  • Autonegotiation is supported by default.

    If for some reason you have disabled autonegotiation, you can enable it by issuing the set interfaces name ether-options auto-negotiate command.

    To disable autonegotiation, issue the delete interfaces name ether-options auto-negotiate command.

    Note: Do not use the set interface name ether-options no-auto-negoatiate command to remove the autonegotiation configuration.

    Issue the show chassis interface extensive command to see if autonegotiation is enabled or disabled and the negotiated speed of the interface.

Configuring the Link Settings for Gigabit Ethernet Interfaces on QFX5100-48T Switches

Devices include a factory default configuration that enables Gigabit Ethernet interfaces with applicable link settings.

The following default configurations are available on Gigabit Ethernet interfaces:

  • Gigabit Ethernet interfaces operate in full-duplex mode.
  • Autonegotiation is enabled by default, and will autonegotiate the speed with the link partner.s We recommend that you keep autonegotiation enabled for interfaces operating at 100M, 1G, and 10G.

    If you need to force the speed of the interface to 100M, you can do this by disabling autonegotiation.

    To disable autonegotiation, issue the delete interfaces name ether-options auto-negotiate command.

    Note: Do not use the set interface name ether-options no-auto-negoatiate command to remove the autonegotiation configuration.

    You can reenable autonegotation it by issuing the set interfaces name ether-options auto-negotiate command.

    Issue the show chassis interface extensive command to see if autonegotiation is enabled or disabled and the negotiated speed of the interface.

Configuring the Link Settings for 10-Gigabit Ethernet Interfaces on QFX5100-48S, QFX5100-24Q Switches, and EX4600 Switches

The following default configurations are available on 10-Gigabit Ethernet interfaces:

  • All the 10-Gigabit Ethernet interfaces are set to auto-negotiation.
  • Flow control for 10-Gigabit Ethernet interfaces is set to enabled by default. You can disable flow control by specifying the no-flow-control option.
  • The speed cannot be configured.
  • 10-Gigabit Ethernet interfaces operate in full-duplex mode by default.
  • Autonegotiation is supported by default.

    If for some reason you have disabled autonegotiation, you can enable it by issuing the set interfaces name ether-options auto-negotiate command.

    To disable autonegotiation, issue the delete interfaces name ether-options auto-negotiate command.

    Note: Do not use the set interface name ether-options no-auto-negoatiate command to remove the autonegotiation configuration.

    Issue the show chassis interface extensive command to see if autonegotiation is enabled or disabled and the negotiated speed of the interface.

Configuring the Link Settings for 10-Gigabit Ethernet Interfaces on QFX5100-48T Switches

The following default configurations are available on 10-Gigabit Ethernet interfaces:

  • All the 10-Gigabit Ethernet interfaces are set to auto-negotiation.
  • Flow control for 10-Gigabit Ethernet interfaces is set to enabled by default. You can disable flow control by specifying the no-flow-control option.
  • The speed cannot be configured.
  • 10-Gigabit Ethernet interfaces operate in full-duplex mode by default.
  • Autonegotiation is supported by default, and will autonegotiate the speed with the link partner.

    If for some reason you have disabled autonegotiation, you can enable it by issuing the set interfaces name ether-options auto-negotiate command.

    Issue the show chassis interface extensive command to see if autonegotiation is enabled or disabled and the negotiated speed of the interface.

Configuring the IP Options on QFX5100-48S, QFX5100-48T, QFX5100-24Q, and EX4600 Switches

To specify an IP address for the logical unit:

[edit]
user@switch# set interfaces interface-name unit logical-unit-number family inet address ip-address
 

Related Documentation

 

Modified: 2015-11-25

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