R2511-HP MSR Router Series Layer 2 - LAN Switching Configuration Guide(V5)

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Network requirements ··········································································································································· 21
Configuration procedure ······································································································································ 22
Verifying the configuration ··································································································································· 22
Configuring a voice VLAN ········································································································································ 25
Feature and hardware compatibility ···························································································································· 25
Overview ········································································································································································· 25
OUI addresses ······················································································································································· 25
Voice VLAN assignment modes ··························································································································· 26
Security mode and normal mode of voice VLANs ····························································································· 28
Configuration prerequisites ··········································································································································· 29
Configuring a port to operate in automatic voice VLAN assignment mode ···························································· 29
Configuring a port to operate in manual voice VLAN assignment mode ································································ 30
Displaying and maintaining voice VLAN ···················································································································· 31
Voice VLAN configuration examples ··························································································································· 31
Automatic voice VLAN assignment mode configuration example ··································································· 31
Manual voice VLAN assignment mode configuration example ······································································· 33
Configuring spanning tree protocols ························································································································ 36
STP ··················································································································································································· 36
STP protocol packets ············································································································································· 36
Basic concepts in STP ············································································································································ 37
STP algorithm ························································································································································· 38
RSTP ················································································································································································· 43
MSTP ················································································································································································ 43
STP and RSTP limitations ······································································································································· 43
MSTP features ························································································································································ 44
MSTP basic concepts ············································································································································ 44
How MSTP works ·················································································································································· 47
MSTP implementation on devices ························································································································ 48
Protocols and standards ················································································································································ 48
Spanning tree configuration task lists ·························································································································· 48
Configuration prerequisites ·································································································································· 48
Configuration restrictions and guidelines ··········································································································· 48
STP configuration task list ····································································································································· 49
RSTP configuration task list ··································································································································· 50
MSTP configuration task list ································································································································· 51
Setting the spanning tree mode ···································································································································· 52
Configuring an MST region ·········································································································································· 52
Configuring the root bridge or a secondary root bridge ·························································································· 53
Configuring the current device as the root bridge of a specific spanning tree ·············································· 53
Configuring the current device as a secondary root bridge of a specific spanning tree ······························ 54
Configuring the device priority ····································································································································· 54
Configuring the maximum hops of an MST region ···································································································· 55
Configuring the network diameter of a switched network ························································································· 55
Configuring spanning tree timers ································································································································· 55
Configuration guidelines ······································································································································ 56
Configuration procedure ······································································································································ 56
Configuring the timeout factor ······································································································································ 57
Configuring the maximum port rate ····························································································································· 57
Configuring edge ports ················································································································································· 57
Configuration restrictions and guidelines ··········································································································· 58
Configuration procedure ······································································································································ 58
Configuring path costs of ports ···································································································································· 58
Specifying a standard for the device to use when it calculates the default path cost ··································· 58