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Contents

Configuring Ethernet interfaces ··································································································································· 1

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

Configuring a combo interface ······································································································································· 1

Configuration prerequisites ····································································································································· 1

Changing the active port of a combo interface ···································································································· 1

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

Shutting down an Ethernet interface ······························································································································· 3

Setting speed options for auto negotiation on an Ethernet interface ·········································································· 3

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

Configuring link change suppression on an Ethernet interface ···················································································· 5

Configuring link-down event suppression ·············································································································· 6

Configuring link-up event suppression ··················································································································· 6

Configuring loopback testing on an Ethernet interface ································································································ 6

Configuration restrictions and guidelines ·············································································································· 7

Configuration procedure ········································································································································· 7

Configuring jumbo frame support ··································································································································· 7

Configuring a port group ················································································································································· 8

Enabling energy saving functions on an Ethernet interface ·························································································· 8

Enabling auto power-down ····································································································································· 8

Configuring storm suppression ········································································································································ 9

Setting the statistics polling interval······························································································································ 10

Enabling loopback detection on an Ethernet interface ······························································································ 10

Configuration restrictions and guidelines ··········································································································· 11

Configuration procedure ······································································································································ 12

Setting the MDI mode of an Ethernet interface ··········································································································· 12

Enabling bridging on an Ethernet interface ················································································································ 13

Testing the cable connection of an Ethernet interface ································································································ 14

Configuring storm control on an Ethernet interface ···································································································· 14

Configuration restrictions and guidelines ··········································································································· 15

Configuration procedure ······································································································································ 15

Displaying and maintaining an Ethernet interface ····································································································· 16

Configuring loopback and null interfaces ················································································································ 17

Configuring a loopback interface ································································································································ 17

Introduction to the loopback interface················································································································· 17

Configuration procedure ······································································································································ 17

Configuring a null interface ·········································································································································· 18

Introduction to the null interface ··························································································································· 18

Configuration procedure ······································································································································ 18

Displaying and maintaining loopback and null interfaces ························································································ 18

Bulk configuring interfaces ········································································································································ 20

Configuration guidelines ··············································································································································· 20

Configuration procedure ··············································································································································· 20

Configuring the MAC address table ························································································································ 21

Overview ········································································································································································· 21

How a MAC address table entry is created ······································································································· 21

Types of MAC address table entries ··················································································································· 22

MAC address table-based frame forwarding ···································································································· 22