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how to Implementation RSTP


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#1 ANILSHARMA

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Posted 03 February 2013 - 05:21 PM

HI all,

I have one core switch WS-C4506-E & 5 distribution  switch 2950 &  50 access switch 2950.

i useing 20 vlan in core switch.

 

pls help me how to Implementation RSTP on my  cisco all switch.

 


Edited by ANILSHARMA, 03 February 2013 - 05:23 PM.

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#2 martinlo

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Posted 04 February 2013 - 04:06 AM

usually STP runs on access and distribution layer switches; then routing upwards.  but your 2950 in distribution layer is not good. any chances of replacing those in distrib. layer ? 


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#3 Pawan_Bhattarai

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Posted 18 May 2013 - 02:02 PM

if this the only design case u have

make WS-C4506-E ROOT BRIDGE of all vlans in your layer 2 network (I know must be using WS-C4506-E as a Routing Device for Vlans).

by issuing the command.

 

#spanning-tree vlan <Ur 20 Vlans one by one> priority 0


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#4 ANILSHARMA

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Posted 17 September 2013 - 03:00 PM

After apply we facing core cpu high CPU Utilization & mac flapping pls help me.

 

 

CPU Utilization(Total/Intr) 20%/0%.
Sep 15 17:28:02: %C4K_EBM-4-HOSTFLAPPING: Host 00:0C:29:60:42:BF in vlan 180 is moving from port Gi2/6 to port Gi5/4
Sep 15 18:36:51: %C4K_EBM-4-HOSTFLAPPING: Host 00:0C:29:0A:40:7B in vlan 180 is moving from port Gi3/4 to port Gi2/5
Sep 15 18:37:07: %C4K_EBM-4-HOSTFLAPPING: Host 00:0C:29:0A:40:7B in vlan 180 is moving from port Gi2/5 to port Gi3/4
Sep 15 19:07:55: %C4K_EBM-4-HOSTFLAPPING: Host D4:BE:D9:AD:AA:15 in vlan 180 is moving from port Gi2/5 to port Gi5/4
Sep 15 19:07:55: %C4K_EBM-4-HOSTFLAPPING: Host D4:BE:D9:AD:AA:15 in vlan 180 is moving from port Gi5/4 to port Gi2/5
Sep 13 03:21:22: %C4K_EBM-4-HOSTFLAPPING: Host 00:50:56:BC:00:38 in vlan 180 is moving from port Gi5/4 to port Gi2/6
Sep 13 03:21:32: %C4K_EBM-4-HOSTFLAPPING: Host 00:50:56:BC:00:23 in vlan 180 is moving from port Gi2/6 to port Gi5/4

Edited by ANILSHARMA, 17 September 2013 - 03:02 PM.

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