Overview ···························································································································································· 1

How a MAC address entry is created ········································································································· 1

Types of MAC address entries ··················································································································· 1

MAC address table configuration task list ·········································································································· 2

Configuring MAC address entries ······················································································································ 3

Configuration guidelines ····························································································································· 3

Adding or modifying a static or dynamic MAC address entry globally ······················································· 3

Adding or modifying a static or dynamic MAC address entry on an interface ············································ 3

Adding or modifying a blackhole MAC address entry ················································································ 4

Adding or modifying a multiport unicast MAC address entry ····································································· 4

Disabling MAC address learning ························································································································ 5

Disabling global MAC address learning ····································································································· 5

Disabling MAC address learning on interfaces ·························································································· 6

Disabling MAC address learning on a VLAN ····························································································· 6

Setting the aging timer for dynamic MAC address entries ················································································· 6

Setting the MAC learning limit on an interface ··································································································· 7

Configuring the unknown frame forwarding rule after the MAC learning limit on an interface is reached ········· 7

Assigning MAC learning priority to interfaces ···································································································· 8

Enabling MAC address synchronization ············································································································ 9

Configuring MAC address move notifications and suppression ······································································· 11

Configuring MAC address move notifications ·························································································· 11

Configuring MAC address move suppression ·························································································· 11

Enabling ARP fast update for MAC address moves ························································································ 12

Disabling static source check ··························································································································· 13

Enabling SNMP notifications for the MAC address table ················································································· 13

Displaying and maintaining the MAC address table ························································································ 14

MAC address table configuration example ······································································································ 14

Network requirements ······························································································································ 14

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

Verifying the configuration ························································································································ 15

Configuring MAC Information ········································································ 16

Enabling MAC Information ······························································································································· 16

Setting the MAC Information mode ·················································································································· 16

Setting the MAC change notification interval ··································································································· 17

Setting the MAC Information queue length ······································································································ 17

MAC Information configuration example ·········································································································· 17

Network requirements ······························································································································ 17

Configuration restrictions and guidelines ································································································· 18

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

Configuring Ethernet link aggregation ··························································· 20

Basic concepts ················································································································································· 20

Aggregation group, member port, and aggregate interface ····································································· 20

Aggregation states of member ports in an aggregation group ································································· 20

Operational key ········································································································································ 21

Configuration types ·································································································································· 21

Link aggregation modes ··························································································································· 22

Aggregating links in static mode ······················································································································ 22

Choosing a reference port ························································································································ 22

Setting the aggregation state of each member port ················································································· 22

Aggregating links in dynamic mode ················································································································· 23

LACP ························································································································································ 23

How dynamic link aggregation works ······································································································· 25

Edge aggregate interface ································································································································· 27

Load sharing modes for link aggregation groups ····························································································· 27