Questions, get the addresses IP of SG300-20

I have the following configuration:

2 SG300-20 with a VIRTUAL LAN (default value... we are a fairly small network) value L2

1 HP ProCurve L3 switch/router with two VLANS (one for VOIP) and one for the LAN

The SG300-20 at the bottom of the basket has all the servers (about 6).  It is then connected to the ProCurve to port 5-port ProCurve 25.

The SG300-20 above which has all the desktops (10).  It is connected to the SG300-20 above the port 19 at the port of the other SG300 20.

The ProCurve software has all IP phones and the WAN connected (via a Sonicwall) to port 26.

Everything works, except for the workstations that are trying to enter a new address from the DHCP server after the expiry of the duration of LIFE (I'm guessing that this is the problem because once they are connected, they are stable as a rock).  They just go round and round, and then report a NETWORK not IDENTIFIED for the NIC.  Sometimes it connects, but over time the problem seems to be growing.  Reboot the switch with workstations seems to be accelerating, but I need to check it after working hours this weekend.

All this experience?  See a problem with my configuration?  Should I rather plug the router (ProCurve) on each switch and captured to eliminate the link between the two SG300?

Thanks for any help!

Dear William,

I think that this post is a duplicate of:

https://supportforums.Cisco.com/thread/2241120

I'll be looking forward to hear from you.

Kind regards

Jeffrey Rodriguez S... : | :. : | :.
Support Engineer Cisco client

* Please rate the Post so other will know when an answer has been found.

Tags: Cisco Support

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