I have got 2 UD switch block ( Multilayer switch 0 , Multilayer switch 1 ) , Access layer switch 2950 24 port switch which is operated for 2 different floor ( Access layer 2950 sw1 at Frist floor & Access layer 2950 Sw2 at 2nd floor ) ,
ML SW 1 to AL SW 1 --> Fa0/1 --> Fa0/1
ML SW 1 to AL SW 2 --> Fa 0/2 --> Fa0/1
ML Sw 2 to AL SW 1 --> Fa0/1-- > Fa0/2
ML SW 2 toAL Sw 2 --> Fa0/2 --> Fa 0/2
My all switch operating r running in VTP transparent mode , My network is operating with 3 vlan
Vlan 10 : support : 30 user
Vlan 20 : development : 18 user
Vlan 30 : Network management
trunking between both Multilayer switch allow only VLAN 30
But my objective is to have both uplink connecting to Multilayer switch from access layer sw should be in forwarding state ,
For eg Vlan 20 has 18 user , so i am keeping AL 2950 Sw2 as root bridge , so my both uplink is in forwarding state
VLAN0020 Spanning tree enabled protocol ieee Root ID Priority 24596 Address 000D.BD10.A8E9 This bridge is the root Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 24596 (priority 24576 sys-id-ext 20) Address 000D.BD10.A8E9 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 20
But for Vlan 10 has 30 user , I am keeping al 2950 Sw1 as root bridge , in AL SW 1 both uplink or in forwarding state , but in AL Sw2 port connecting to ML SW1 is in forwarding state , port connecting to ML sw2 is blocking state
alsw2#sh spanning-tree VLAN0010 Spanning tree enabled protocol ieee Root ID Priority 24586 Address 0001.636D.8A6A Cost 19 Port 1(FastEthernet0/1) Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec
Bridge ID Priority 24586 (priority 24576 sys-id-ext 10) Address 000D.BD10.A8E9 Hello Time 2 sec Max Age 20 sec Forward Delay 15 sec Aging Time 20
I have HSRP priority high for VLan 10 on ML Sw2 , and for Van 20 ML sw1 is high , If my access layer switch2 port fa0/2 is in blocking mode , my end user may nt get connected to Ml Sw2 due trunk port is in blocking mode ,
Suggest me good STP design on this scenario ....
Else i want to use my ML SW 1 or SW 2 as root bridge for both VLAN ,
or else trunk port connecting between ML SW 1 & ML SW 2 should permit vlan 10 , 20 along with vlan 30 ..
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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