R2511-HP MSR Router Series Layer 2 - LAN Switching Configuration Guide(V5)
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Configuring path costs of ports ···························································································································· 60
Configuration example ········································································································································· 60
Configuring the port priority ········································································································································· 61
Configuring the port link type ······································································································································· 61
Configuration restrictions and guidelines ··········································································································· 61
Configuration procedure ······································································································································ 61
Configuring the mode a port uses to recognize and send MSTP packets ······························································· 62
Enabling outputting port state transition information ·································································································· 63
Enabling the spanning tree feature ······························································································································ 63
Performing mCheck ························································································································································ 64
Performing mCheck globally ································································································································ 64
Performing mCheck in interface view ················································································································· 64
Configuring digest snooping ········································································································································ 64
Configuration prerequisites ·································································································································· 65
Configuration restrictions and guidelines ··········································································································· 65
Configuration procedure ······································································································································ 65
Digest snooping configuration example ············································································································· 66
Configuring No Agreement Check ······························································································································ 66
Configuration prerequisites ·································································································································· 67
Configuration procedure ······································································································································ 68
No Agreement Check configuration example···································································································· 68
Configuring protection functions ·································································································································· 69
Enabling BPDU guard ··········································································································································· 69
Enabling root guard ·············································································································································· 69
Enabling loop guard ············································································································································· 70
Enabling TC-BPDU guard······································································································································ 71
Displaying and maintaining the spanning tree ··········································································································· 71
MSTP configuration example ········································································································································ 72
Network requirements ··········································································································································· 72
Configuration procedure ······································································································································ 72
Verifying the configuration ··································································································································· 74
Configuring Ethernet link aggregation ····················································································································· 76
Overview ········································································································································································· 76
Basic concepts ······················································································································································· 76
Aggregating links in static mode ························································································································· 79
Aggregating links in dynamic mode ··················································································································· 80
Configuration restrictions and guidelines ···················································································································· 82
Ethernet link aggregation configuration task list ········································································································· 82
Configuring an aggregation group ····························································································································· 82
Configuration guidelines ······································································································································ 82
Configuring a Layer 2 static aggregation group ······························································································· 83
Configuring a Layer 3 static aggregation group ······························································································· 84
Configuring a Layer 2 dynamic aggregation group ························································································· 85
Configuring a Layer 3 dynamic aggregation group ························································································· 86
Configuring an aggregate interface ···························································································································· 87
Configuring the description of an aggregate interface or subinterface ·························································· 87
Configuring the MTU of a Layer 3 aggregate interface or subinterface ························································· 88
Enabling link state traps for an aggregate interface ························································································· 88
Setting the expected bandwidth for an aggregate interface ············································································ 88
Shutting down an aggregate interface ··············································································································· 89
Restoring the default settings for an aggregate interface ················································································· 89
Displaying and maintaining Ethernet link aggregation ····························································································· 90
Ethernet link aggregation configuration examples ····································································································· 90
Layer 2 static aggregation configuration example ···························································································· 91










