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STP-Priority

Hi

i have SW1 Connected to SW2 Via stack.sw1 hold vlan 10;sw hold vlan 11/also switch 1 connected to ds1 whaile sw2 connected to ds2.

1)i want to do load balance & redundancy between these 2 vlans(vlan 10 go via link to ds1 & vlan 11 go via link to ds2)

2)also i want to do redundancy on the vtp

how can i acieve that?

10xs

4 REPLIES

Re: STP-Priority

hi ali...

here you have to deal with the STP calculation... or you can use multiple spaning tree for different vlan... noramlly in our STP we have one root bridege for all the vlan... now you have to configure your priority such that for one VLAN one sw will become root bridge and for other VLAN other sw will become root bridge...

it will be good if you give detail with diagram...

regards

Devang

Blue

Re: STP-Priority

along with STP to assist in providing the correct path you wish to take, you'll also need to consider layer3 load balancing with HSRP for your 'load balance & redundancy between the two vlans'.

see this link for more spanningTree info:

http://www.cisco.com/en/US/partner/tech/tk389/tk621/tsd_technology_support_protocol_home.html

see these links for more HSRP info:

http://www.cisco.com/en/US/partner/tech/tk648/tk362/tk321/tsd_technology_support_sub-protocol_home.html

http://www.cisco.com/en/US/partner/tech/tk648/tk362/technologies_tech_note09186a0080094afd.shtml

New Member

Re: STP-Priority

Hi

the stp link required a unlimited CCO.I NEED TO ACHIEVE THE Following:

ds1 to be root bridge primary for vlan10

ds1 to the root bridge secandary vlan 11

ds2 to be root bridge primary for vlan11

ds2 to be root bridge secandary for vlan10

maybe thes achieve throuh the following COMMAND:

spanning-tree vlan 10 PRIRITY 8192

spanning-tree vlan 11 PRIRITY 16384

spanning-tree vlan 11 PRIRITY 8192

spanning-tree vlan 10 PRIRITY 13384

Can any EXpert confirm;am not sure

PS HELP

IN Regardes to the redundancy of the vtp

maybe the command is mls rp vtp test.also am not sure

PS HELP

10XS FOR UR REPLY

Re: STP-Priority

hi ali...

your configuration looks perfect as per your requirement... as here you assign the different priority value to the different vlan so ds1 will become root bridge for vlan 10 and ds2 will be root bridge for vlan 11

regards

Devang

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