H3C S5120-EI Configuration Manual

Also see for S5120-EI Series: Configuration guide Installation manual Configuration guide Configuration guide Operation manual

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H3C S5120-EI Configuration Manual Manual pdf 9 page image

iiMAC Information configuration ································································································································28Overview········································································································································································· 28Introduction to MAC Information ························································································································· 28How MAC Information works ······························································································································ 28Configuring MAC Information ······································································································································ 28Enabling MAC Information globally ··················································································································· 28Enabling MAC Information on an interface ······································································································· 28Configuring MAC Information mode ·················································································································· 29Configuring the interval for sending Syslog or trap messages········································································· 29Configuring the MAC Information queue length································································································ 29MAC Information configuration example···················································································································· 30Ethernet link aggregation configuration ···················································································································31Overview········································································································································································· 31Basic concepts ······················································································································································· 31Aggregating links in static mode ························································································································· 34Aggregating links in dynamic mode ··················································································································· 35Load-sharing criteria for link aggregation groups ····························································································· 37Ethernet link aggregation configuration task list········································································································· 37Configuring an aggregation group ····························································································································· 38Configuration guidelines ······································································································································ 38Configuring a static aggregation group ············································································································· 38Configuring a dynamic aggregation group ······································································································· 39Configuring an aggregate interface ···························································································································· 40Configuring the description of an aggregate interface····················································································· 40Enabling link state traps for an aggregate interface ························································································· 40Setting the minimum number of Selected ports for an aggregation group ····················································· 41Shutting down an aggregate interface ··············································································································· 41Restoring the default settings for an aggregate interface ················································································· 42Configuring load sharing for link aggregation groups······························································································ 42Configuring load-sharing criteria for link aggregation groups ········································································ 42Enabling local-first load sharing for link aggregation ······················································································· 43Enabling link-aggregation traffic redirection··············································································································· 44Displaying and maintaining Ethernet link aggregation ····························································································· 45Ethernet link aggregation configuration examples····································································································· 45Static aggregation configuration example ········································································································· 46Dynamic aggregation configuration example ··································································································· 48Port isolation configuration········································································································································51Introduction to port isolation ········································································································································· 51Assigning a port to the isolation group ······················································································································· 51Displaying and maintaining isolation groups ············································································································· 51Port isolation configuration example···························································································································· 52Spanning tree configuration······································································································································53STP ··················································································································································································· 53STP protocol packets ············································································································································· 53Basic concepts in STP············································································································································ 54Calculation process of the STP algorithm ··········································································································· 55RSTP ················································································································································································· 60PVST················································································································································································· 61MSTP················································································································································································ 61STP, RSTP, and PVST limitations ·························································································································· 61MSTP features ························································································································································ 61MSTP basic concepts ············································································································································ 61How MSTP works ·················································································································································· 65