H3C S7500E-X Configuration Manual page 8

Ethernet link aggregation configuration task list ······························································································ 27
Configuring an aggregation group ··················································································································· 28
Configuration restrictions and guidelines ································································································· 28
Configuring a static aggregation group ···································································································· 29
Configuring a dynamic aggregation group ······························································································· 30
Configuring an aggregate interface ·················································································································· 32
Setting the description for an aggregate interface ··················································································· 32
Specifying ignored VLANs for a Layer 2 aggregate interface ·································································· 33
Reserving a VLAN interface resource for a Layer 2 aggregate interface ················································· 33
Setting the MTU for a Layer 3 aggregate interface ·················································································· 34
Setting the minimum and maximum numbers of Selected ports for an aggregation group ····················· 34
Setting the expected bandwidth for an aggregate interface ····································································· 35
Configuring an edge aggregate interface ································································································· 35
Shutting down an aggregate interface ····································································································· 36
Restoring the default settings for an aggregate interface ········································································ 36
Configuring load sharing for link aggregation groups ······················································································ 37
Setting load sharing modes for link aggregation groups ·········································································· 37
Enabling local-first load sharing for link aggregation ················································································ 38
Enabling link-aggregation traffic redirection ····································································································· 39
Configuration restrictions and guidelines ································································································· 39
Configuration procedure ··························································································································· 40
Displaying and maintaining Ethernet link aggregation ····················································································· 40
Ethernet link aggregation configuration examples ··························································································· 40
Layer 2 static aggregation configuration example ···················································································· 40
Layer 2 dynamic aggregation configuration example ··············································································· 42
Layer 2 aggregation load sharing configuration example ········································································ 44
Layer 2 edge aggregate interface configuration example ········································································ 46
Layer 3 static aggregation configuration example ···················································································· 48
Layer 3 dynamic aggregation configuration example ··············································································· 49
Layer 3 aggregation load sharing configuration example ········································································ 50
Layer 3 edge aggregate interface configuration example ········································································ 52
Configuring port isolation ·············································································· 54
Assigning a port to an isolation group ·············································································································· 54
Displaying and maintaining port isolation ········································································································· 55
Port isolation configuration example ················································································································ 55
Network requirements ······························································································································ 55
Configuration procedure ··························································································································· 55
Verifying the configuration ························································································································ 56
Configuring spanning tree protocols ····························································· 58
STP ·································································································································································· 58
STP protocol packets ······························································································································· 58
Basic concepts in STP ····························································································································· 58
Calculation process of the STP algorithm ································································································ 59
RSTP ······························································································································································· 65
PVST ································································································································································ 65
MSTP ······························································································································································· 66
MSTP features ········································································································································· 66
MSTP basic concepts ······························································································································ 66
How MSTP works ····································································································································· 70
MSTP implementation on devices ············································································································ 70
Protocols and standards ·································································································································· 71
General configuration restrictions and guidelines ···························································································· 71
Spanning tree configuration task lists ·············································································································· 72
STP configuration task list ························································································································ 72
RSTP configuration task list ····················································································································· 72
PVST configuration task list ····················································································································· 73
MSTP configuration task list ····················································································································· 74
Setting the spanning tree mode ······················································································································· 75
Configuring an MST region ······························································································································ 75
Configuring the root bridge or a secondary root bridge ··················································································· 76
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