Ethernet interface configuration ·································································································································· 1

Ethernet interface naming conventions ··················································································································1

Management Ethernet interface······························································································································1

Switchable operating mode of Ethernet interfaces ·······························································································1

General Ethernet interface configuration························································································································2

Configuring basic settings of an Ethernet interface ······························································································2

Configuring the operating mode of an Ethernet interface ···················································································3

Configuring flow control on an Ethernet interface································································································4

Configuring link change suppression on an Ethernet interface···········································································7

Configuring loopback testing on an Ethernet interface························································································8

Setting the statistics polling interval on an Ethernet interface··············································································9

Configuring jumbo frame support on an Ethernet interface ················································································9

Configuring link-up port auto power-down on an Ethernet interface··································································9

Configuring a Layer 2 Ethernet interface ···················································································································· 10

Layer 2 Ethernet interface configuration task list ······························································································· 10

Configuring a port group ····································································································································· 10

Enabling link-down port auto power-down ········································································································ 11

Setting speed options for auto negotiation on an Ethernet interface······························································· 11

Configuring traffic storm protection····················································································································· 12

Enabling single-port loopback detection on an Ethernet interface··································································· 14

Enabling multi-port loopback detection··············································································································· 16

Setting the MDI mode of an Ethernet interface ·································································································· 17

Enabling bridging on an Ethernet interface ······································································································· 18

Testing the cable connection of an Ethernet interface······················································································· 18

Configuring the connection mode of an Ethernet interface ·············································································· 19

Configuring a Layer 3 Ethernet interface ···················································································································· 19

Displaying and maintaining an Ethernet interface ····································································································· 19

PFC configuration example··········································································································································· 20

Loopback and null interface configuration···············································································································22

Loopback interface························································································································································· 22

Configuring a loopback interface ······················································································································· 22

Null interface ·································································································································································· 23

Configuring null 0 interface ································································································································· 23

Displaying and maintaining loopback and null interfaces························································································ 24

MAC address table configuration ····························································································································25

How a MAC address table entry is created······································································································· 25

Types of MAC address table entries ··················································································································· 25

MAC address table-based frame forwarding ···································································································· 26

Configuring the MAC address table···························································································································· 26

Manually configuring MAC address table entries····························································································· 26

Disabling MAC address learning on a VLAN···································································································· 27

Configuring the aging timer for dynamic MAC address entries ······································································ 27

Configuring the MAC learning limit on ports····································································································· 28

Enabling MAC address roaming························································································································· 28

Displaying and maintaining MAC address tables ····································································································· 30

MAC address table configuration example ················································································································ 30

MAC Information configuration ································································································································32

How MAC Information works ······························································································································ 32

Configuring MAC Information······································································································································ 32