R3303-HP 6600/HSR6600 Routers Layer 2 - LAN Switching Configuration Guide

ii
Shutting down an aggregate interface ··············································································································· 26
Configuring load-sharing criteria for link aggregation groups ················································································· 26
Configuring the global link-aggregation load sharing criteria ········································································· 26
Configuring load-sharing criteria for an aggregation group ··········································································· 27
Enabling local-first load sharing for link aggregation ······················································································· 27
Displaying and maintaining Ethernet link aggregation ····························································································· 27
Ethernet link aggregation configuration examples ····································································································· 28
Layer 2 static aggregation configuration example ···························································································· 28
Layer 2 dynamic aggregation configuration example ······················································································ 30
Layer 2 aggregation load sharing configuration example ··············································································· 32
Layer 3 static aggregation configuration example ···························································································· 35
Layer 3 dynamic aggregation configuration example ······················································································ 36
Layer 3 aggregation load sharing configuration example ··············································································· 37
Configuring port isolation ·········································································································································· 40
Overview ········································································································································································· 40
Assigning ports to the isolation group ························································································································· 40
Displaying and maintaining the isolation group ········································································································ 40
Port isolation configuration example···························································································································· 41
Network requirements ··········································································································································· 41
Configuration procedure ······································································································································ 41
Configuring spanning tree protocols ························································································································ 42
STP ··················································································································································································· 42
STP protocol packets ············································································································································· 42
Basic concepts in STP ············································································································································ 43
STP algorithm ························································································································································· 44
RSTP ················································································································································································· 49
MSTP ················································································································································································ 49
STP and RSTP limitations ······································································································································· 49
MSTP features ························································································································································ 49
MSTP basic concepts ············································································································································ 49
How MSTP works ·················································································································································· 53
Implementation of MSTP on devices ···················································································································· 53
Protocols and standards ················································································································································ 54
Spanning tree configuration task lists ·························································································································· 54
Configuration prerequisites ·································································································································· 54
Configuration restrictions and guidelines ··········································································································· 54
STP configuration task list ····································································································································· 55
RSTP configuration task list ··································································································································· 55
MSTP configuration task list ································································································································· 56
Setting the spanning tree mode ···································································································································· 58
Configuring an MST region ·········································································································································· 58
Configuring the root bridge or a secondary root bridge ·························································································· 59
Configuring the current device as the root bridge of a specific spanning tree ·············································· 59
Configuring the current device as a secondary root bridge of a specific spanning tree ······························ 60
Configuring the device priority ····································································································································· 60
Configuring the maximum hops of an MST region ···································································································· 60
Configuring the network diameter of a switched network ························································································· 61
Configuring spanning tree timers ································································································································· 61
Configuration guidelines ······································································································································ 62
Configuration procedure ······································································································································ 62
Configuring the timeout factor ······································································································································ 62
Configuring the maximum port rate ····························································································································· 63
Configuring edge ports ················································································································································· 63