HP FlexFabric 12900 Series Configuration Manual page 5

Layer 2 static aggregation configuration example ···························································································· 54
Layer 2 dynamic aggregation configuration example ······················································································ 56
Layer 2 aggregation load sharing configuration example ··············································································· 58
Layer 2 edge aggregate interface configuration example ··············································································· 60
Configuring port isolation ·········································································································································· 63
Assigning ports to an isolation group ·························································································································· 63
Displaying and maintaining port isolation ·················································································································· 63
Port isolation configuration example···························································································································· 64
Network requirements ··········································································································································· 64
Configuration procedure ······································································································································ 64
Verifying the configuration ··································································································································· 65
Configuring spanning tree protocols ························································································································ 66
STP ··················································································································································································· 66
STP protocol packets ············································································································································· 66
Basic concepts in STP ············································································································································ 67
Calculation process of the STP algorithm ··········································································································· 68
RSTP ················································································································································································· 74
PVST ················································································································································································· 75
MSTP ················································································································································································ 75
MSTP features ························································································································································ 75
MSTP basic concepts ············································································································································ 76
How MSTP works ·················································································································································· 79
MSTP implementation on devices ························································································································ 80
Protocols and standards ················································································································································ 80
Spanning tree configuration task lists ·························································································································· 80
STP configuration task list ····································································································································· 81
RSTP configuration task list ··································································································································· 82
PVST configuration task list··································································································································· 83
MSTP configuration task list ································································································································· 84
Setting the spanning tree mode ···································································································································· 84
Configuring an MST region ·········································································································································· 85
Configuring the root bridge or a secondary root bridge ·························································································· 86
Configuring the current device as the root bridge of a specific spanning tree ·············································· 87
Configuring the current device as a secondary root bridge of a specific spanning tree ······························ 87
Configuring the device priority ····································································································································· 87
Configuring the maximum hops of an MST region ···································································································· 88
Configuring the network diameter of a switched network ························································································· 88
Configuring spanning tree timers ································································································································· 89
Configuration restrictions and guidelines ··········································································································· 89
Configuration procedure ······································································································································ 90
Configuring the timeout factor ······································································································································ 90
Configuring the BPDU transmission rate ······················································································································ 91
Configuring edge ports ················································································································································· 91
Configuration restrictions and guidelines ··········································································································· 91
Configuration procedure ······································································································································ 91
Configuring path costs of ports ···································································································································· 92
Specifying a standard for the device to use when it calculates the default path cost ··································· 92
Configuring path costs of ports ···························································································································· 95
Configuration example ········································································································································· 95
Configuring the port priority ········································································································································· 95
Configuring the port link type ······································································································································· 96
Configuration restrictions and guidelines ··········································································································· 96
Configuration procedure ······································································································································ 96
iii