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тАО01-11-2006 08:59 AM
тАО01-11-2006 08:59 AM
I have recently setup 2 P5308XL's with 4 VLANs providing my DMZ's, APP, VoIP and Data Lans. I have a 2 port Trunk between the two with LACP disabled on these ports. I have my Web farm and Database servers all connected via dual nics running Load Balancing with each split across the two switches for redundncy. My problem is, whenever I plug a new switch into any of the Vlans, STP kicks in and blocks all the NLB server ports on both switches which disconects all servers.
I have attached the logs and the configs if anyone can shed some light as I am totally confused as to why this is happening.
Cheers. Trev.
Solved! Go to Solution.
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тАО01-12-2006 05:26 AM
тАО01-12-2006 05:26 AM
Re: NLB +LACP & STP issues
Also, the on sites which we run RSTP, when a port comes online it is blocked by STP, but then unblocked (and this does not appear in the log)
If you do a show span I assume it is still being blocked, as you say it disconects all server ports.
The link to the config manual is here: ftp://ftp.hp.com/pub/networking/software/59906050-0105b.pdf
Page 252 may be of help.
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тАО01-12-2006 08:46 AM
тАО01-12-2006 08:46 AM
Re: NLB +LACP & STP issues
Cheers fro replying. Trev.
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тАО01-12-2006 09:21 AM
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тАО01-17-2006 03:24 AM
тАО01-17-2006 03:24 AM
Re: NLB +LACP & STP issues
http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=992571
This thread above mentions that HP switches do not have per-VLAN STP.
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тАО01-17-2006 08:35 AM
тАО01-17-2006 08:35 AM