iiiRMON configuration ·················································································································································74RMON overview ···························································································································································· 74Introduction ···························································································································································· 74Working mechanism ············································································································································· 74RMON groups ······················································································································································· 74Configuring the RMON statistics function ··················································································································· 76Configuring the RMON Ethernet statistics function···························································································· 77Configuring the RMON history statistics function ······························································································ 77Configuring the RMON alarm function ······················································································································· 77Configuration prerequisites ·································································································································· 77Configuration procedure ······································································································································ 78Displaying and maintaining RMON ···························································································································· 78Ethernet statistics group configuration example·········································································································· 79History group configuration example ·························································································································· 80Alarm group configuration example···························································································································· 82Port mirroring configuration ······································································································································84Introduction to port mirroring········································································································································ 84Terminologies of port mirroring ··························································································································· 84Port mirroring classification and implementation······························································································· 85Configuring local port mirroring ·································································································································· 87Local port mirroring configuration task list ········································································································· 87Creating a local mirroring group ························································································································ 88Configuring source ports for the local mirroring group ···················································································· 88Configuring source CPUs for the local mirroring group···················································································· 89Configuring the monitor port for the local mirroring group·············································································· 89Using the remote probe VLAN to enable local mirroring to support multiple monitor ports························· 90Configuring Layer 2 remote port mirroring ················································································································· 91Layer 2 remote port mirroring configuration task list ························································································ 91Configuring a remote source group (on the source device) ············································································· 92Configuring a remote destination group (on the destination device) ······························································ 95Configuring Layer 3 remote port mirroring ················································································································· 97Layer 3 remote port mirroring configuration task list ························································································ 97Configuration prerequisites ·································································································································· 97Configuring local mirroring groups····················································································································· 97Configuring source ports for a local mirroring group ······················································································· 98Configuring source CPUs for a local mirroring group ······················································································ 98Configuring the monitor port for a local mirroring group················································································· 99Displaying and maintaining port mirroring················································································································· 99Port mirroring configuration examples·······················································································································100Local port mirroring configuration example ·····································································································100Local port mirroring with multiple monitor ports configuration example·······················································101Layer 2 remote port mirroring configuration example ····················································································102Layer 3 remote port mirroring configuration example ····················································································104Traffic mirroring configuration ······························································································································· 107Introduction to traffic mirroring ···································································································································107Traffic mirroring configuration task list ······················································································································107Configuring traffic mirroring ·······································································································································107Configuring match criteria ·································································································································107Configuring traffic mirroring of different types ································································································108Configuring a QoS policy ··································································································································109Applying a QoS policy·······································································································································109Configuring remote traffic mirroring ·················································································································110Displaying and maintaining traffic mirroring············································································································111