having 6509 & 3750, running HSRP, i am not confident in making 1 as a root switch. does it affect the network immediately if i make 1 as a root switch? because i am worried if something goes wrong(being a live network running 24/7)
is the command OK if i put it in 3750 & 6509?
set spantree root 1,2,5,182-205
spanning-tree vlan 1,2,5,182-205 root primary
diameter option is also there, do i need to put that one also, if not which number should i put, if i doesn't put the diameter, what will happen?
do i need to put something else also? if so suggest me.
Changing the STP parameters will make STP to converge and there will be for sure effect in the network.Better to take downtime and do it.because if STP converges there might be some links going up/down.
In addition to the other post you can configure only one root bridge for one vlan in your network. But as per your command you are trying to configure 3750 and 6509 root for same vlans.
You can keep 6509 root for few vlans and 3750 as secondary root for those vlans and same way for rest of the vlans you can configure 3750 as root and 6509 as secondary root and this will take care of redundancy and load sharing for spannning tree also.
And as others have suggested arrage a window as STP change for root will converge the whole network.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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