R3303-HP HSR6800 Routers Layer 2 - LAN Switching Configuration Guide

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Configuration restrictions and guidelines ··········································································································· 57
Configuration procedure ······································································································································ 57
Configuring path costs of ports ···································································································································· 58
Specifying a standard for the device to use when it calculates the default path cost ··································· 58
Configuring path costs of ports ···························································································································· 59
Configuration example ········································································································································· 60
Configuring the port priority ········································································································································· 60
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 ······························································· 61
Enabling outputting port state transition information ·································································································· 62
Enabling the spanning tree feature ······························································································································ 63
Performing mCheck ························································································································································ 63
Performing mCheck globally ································································································································ 64
Performing mCheck in interface view ················································································································· 64
Configuring digest snooping ········································································································································ 64
Configuration prerequisites ·································································································································· 64
Configuration restrictions and guidelines ··········································································································· 64
Configuration procedure ······································································································································ 65
Digest snooping configuration example ············································································································· 65
Configuring No Agreement Check ······························································································································ 66
Configuration prerequisites ·································································································································· 67
Configuration procedure ······································································································································ 67
No Agreement Check configuration example···································································································· 68
Configuring TC snooping ·············································································································································· 68
Configuration restrictions and guidelines ··········································································································· 69
Configuration procedure ······································································································································ 69
Configuring protection functions ·································································································································· 70
Enabling BPDU guard ··········································································································································· 70
Enabling root guard ·············································································································································· 70
Enabling loop guard ············································································································································· 71
Enabling TC-BPDU guard······································································································································ 72
Displaying and maintaining the spanning tree ··········································································································· 72
MSTP configuration example ········································································································································ 73
Network requirements ··········································································································································· 73
Configuration procedure ······································································································································ 74
Verifying the configuration: ·································································································································· 76
Configuring BPDU tunneling ······································································································································ 78
Overview ········································································································································································· 78
Background ···························································································································································· 78
BPDU tunneling implementation ··························································································································· 79
Configuration prerequisites ··········································································································································· 80
Enabling BPDU tunneling ·············································································································································· 80
Configuration guidelines ······································································································································ 80
Enabling BPDU tunneling for a protocol in Layer 2 Ethernet interface view or port group view·················· 81
Enabling BPDU tunneling for a protocol in Layer 2 aggregate interface view ··············································· 81
Configuring destination multicast MAC address for BPDUs ······················································································ 81
BPDU tunneling for STP configuration example ·········································································································· 82
Network requirements ··········································································································································· 82
Configuration procedure ······································································································································ 82
BPDU tunneling for PVST configuration example ········································································································ 83
Network requirements ··········································································································································· 83
Configuration procedure ······································································································································ 84