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wiki:site:hp:ais:a-series [2012/10/08 10:53]
root [STP Spanning Tree Protocol] 		wiki:site:hp:ais:a-series [2014/12/26 18:31] (current)
Line 367: Line 367:
 ===== STP Spanning Tree Protocol ===== ===== STP Spanning Tree Protocol =====
 ==== MSTP ==== ==== MSTP ====
 +Všechny sw musí mít stejné:
 +  * region-name
 +  * revision-level
 +  * VLAN to instance mapping
 +
 +Postup konfigurace:
 +  - enable STP
 +  - nastavit MSTP region na všech switchích
 +  - nastavit root a secondary root pro všechny instance
 +  - nastavit edge (access) a non-edge (uplinky) porty
 +  - aplikovat BPDU protection, root guard a loop protection
 +
 +
 >[SW] **stp enable** >[SW] **stp enable**
 >[SW] **stp region-configuration** >[SW] **stp region-configuration**
Line 374: Line 387:
 >[SW-mst-region] **instance** //2// **vlan** //1000// **to** //1999// >[SW-mst-region] **instance** //2// **vlan** //1000// **to** //1999//
 >[SW-mst-region] **active region-configuration** >[SW-mst-region] **active region-configuration**
 +
 +Modulo mapping
 +  * má usnadnit mapování mnoha VLAN
 +  * udělá to automaticky na základě výpočtu modulo
 +  * instance_ID = (VLAN_ID - 1) % modulo + 1
  
 ><SW> **system-view** ><SW> **system-view**
 >[SW] **stp region-configuration** >[SW] **stp region-configuration**
 >[SW-mst-region] **vlan-mapping modulo** //[1-32]// >[SW-mst-region] **vlan-mapping modulo** //[1-32]//
 +
 +>[SW-mst-region] **display stp region-configuration**
 +<code>
 +[SW-mst-region] display stp region-configuration
 +Oper configuration
 +   Format selector   :0
 +   Region name       :test
 +   Revision level    :1
 +   
 +   Instance   Vlans Mapped
 +      0       2000 to 4094
 +      1       1 to 999
 +      2       1000 to 1999
 +</code>
 +
 +Root a secondary root:
 +>[CoreSW1] **stp instance** //1// **root primary**
 +>[CoreSW2] **stp instance** //1// **root secondary**
 +
 +Priorita pro spolupraci MST s CST:
 +>[CoreSW1] **stp instance** //1// **priority** //0//
 +
 +>[CoreSW1] **display stp inst 1**
 +<code>
 +[CoreSW1] display stp inst 1
 +-------[MSTI 1 Global Info]-------
 +MSTI Bridge ID     :0.001c-c5bc-2b11
 +MSTI RegRoot/IRPC  :0.001c-c5bc-2b11 / 0
 +MSTI RootPortId    :0.0
 +MSTI Root Type     :PRIMARY root
 +Master Bridge      :0.001c-c5bc-2b11
 +Cost to Master     :0
 +TC recieved        :4
 +</code>
 +
 +>[SW] **display stp brief**
 +<code>
 +[SW] display stp brief
 +VLAN      Port                         Role  STP State     Protection
 +   2      GigabitEthernet3/0/1         ALTE  DISCARDING    LOOP
 +   2      GigabitEthernet3/0/2         DESI  FORWARDING    NONE
 +   2      GigabitEthernet3/0/3         DESI  FORWARDING    NONE
 +   2      GigabitEthernet3/0/4         DESI  FORWARDING    NONE
 +</code>
 +
 +Edge / non-Edge:
 +FIXME
 +===== IRF =====
 +FIXME
 +===== Static Routing =====
 +FIXME
 +===== RIP Routing =====
 +FIXME
wiki/site/hp/ais/a-series.1349686415.txt.gz · Last modified: 2014/12/26 18:31 (external edit)

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