H3C Technologies H3C S10500 Series Switches User Manual

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Introduction to MAC Information ························································································································· 29

How MAC Information works ······························································································································ 29

Configuring MAC Information······································································································································ 29

Enabling MAC Information globally ··················································································································· 29

Enabling MAC Information on an interface ······································································································· 29

Configuring MAC Information mode ·················································································································· 30

Configuring the interval for sending Syslog or trap messages········································································· 30

Configuring the MAC Information queue length································································································ 30

MAC Information configuration example···················································································································· 30

Ethernet link aggregation configuration ···················································································································32

Overview········································································································································································· 32

Basic concepts ······················································································································································· 32

Aggregating links in static mode························································································································· 35

Aggregating links in dynamic mode ··················································································································· 37

Load-sharing criteria for link aggregation groups ····························································································· 39

Ethernet link aggregation configuration task list········································································································· 39

Configuring an aggregation group ····························································································································· 39

Configuration guidelines ······································································································································ 40

Configuring a static aggregation group············································································································· 40

Configuring a dynamic aggregation group ······································································································· 41

Configuring an aggregate interface ···························································································································· 43

Configuring the description of an aggregate interface or subinterface·························································· 43

Configuring the MTU of a Layer 3 aggregate interface or subinterface························································· 44

Enabling link state traps for an aggregate interface ························································································· 44

Setting the minimum number of Selected ports for an aggregation group ····················································· 45

Shutting down an aggregate interface ··············································································································· 45

Restoring the default settings for an aggregate interface ················································································· 46

Configuring load sharing for link aggregation groups······························································································ 46

Configuring load-sharing criteria for link aggregation groups ········································································ 46

Enabling local-first load sharing for link aggregation······················································································· 48

Enabling link-aggregation traffic redirection··············································································································· 48

Displaying and maintaining Ethernet link aggregation ····························································································· 49

Ethernet link aggregation configuration examples····································································································· 50

Layer 2 static aggregation configuration example···························································································· 50

Layer 2 dynamic aggregation configuration example······················································································ 52

Layer 3 static aggregation configuration example···························································································· 54

Layer 3 dynamic aggregation configuration example······················································································ 55

Port isolation configuration········································································································································58

Introduction to port isolation ········································································································································· 58

Assigning a port to the isolation group ······················································································································· 58

Displaying and maintaining isolation groups ············································································································· 58

Port isolation configuration example···························································································································· 59

Spanning tree configuration······································································································································60

STP ··················································································································································································· 60

STP protocol packets ············································································································································· 60

Basic concepts in STP············································································································································ 61

Calculation process of the STP algorithm ··········································································································· 62

RSTP················································································································································································· 67

PVST················································································································································································· 68

MSTP················································································································································································ 68

STP, RSTP, and PVST limitations ·························································································································· 68

MSTP features ························································································································································ 68

MSTP basic concepts ············································································································································ 68

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