Want to protect your cyber security and still get fast solutions? Ask a secure question today.Go Premium

x
  • Status: Solved
  • Priority: Medium
  • Security: Public
  • Views: 1154
  • Last Modified:

GS724Tv3 Uplink issues

Hi
I have just upgraded my central switch from a Linksys SD2008 to the Netgear GS724Tv3 and am now experiencing network issues between the 2 other switches, another SD2008 and a Linksys WRT610N wireless router.
I suspect it may be the smart switches having auto-negotiate issue on the uplinks but cannot prove it or find a way to set the port on the GS724.

1. is this a known issues (i'm sure i have come across it before with different switches)
2. can i get these units to work together
3. or should return the netgar and get a Linksys/Cisco switch?

any thoughts happily received

2008 back in just now and all running sweetly

Later

Dave
0
DaveNicol
Asked:
DaveNicol
  • 4
  • 4
1 Solution
 
Rick_O_ShayCommented:
I don't know those particular switches but in general switches should just work together fine. Are there any VLANs or trunking or anything like that on the current core switch that may need to be recreated on the new one?
0
 
DaveNicolAuthor Commented:
Hi Rick
No VLANs or trunking, the Linksys units are unmanaged and just plug an play.
Nothing setup up on the GS724 either, and i have done a full reset to factory defaults just to be sure.

As you say i just expected to plug the Netgear in, do some basic config and away we go but that wasn't the case.

any further thoughts?

Later

Dave
0
 
DaveNicolAuthor Commented:
Network diagram if it helps

DN-ProposedHomeNetwork-20091231.pdf
0
Who's Defending Your Organization from Threats?

Protecting against advanced threats requires an IT dream team – a well-oiled machine of people and solutions working together to defend your organization. Download our resource kit today to learn more about the tools you need to build you IT Dream Team!

 
Rick_O_ShayCommented:
What exactly is it doing? Do the other switches come up at all? Maybe start with just one remote switch at a a time?

I would say set it to autonegotiate on the gig uplinks and see if everyone is getting negotiated to 1000 full duplex. There is something Netgear calls auto uplink on all ports. I assume that is to allow straight through or crossover cables to be used but try turning it off on one of the ports to a Linksys as a test to see if that cleans things up.
Take a look at the error counters for the ports too and see if that leads you to anything.
0
 
Rick_O_ShayCommented:
You should be able to turn auto  off for the port speed and set them to 1000/FDX in case autonegotiate is an issue. Maybe knock them down to 100/full if gig won't work.
The netgear has a port power save setting that you might want to disable. They call it auto power down and short cable mode. Make sure all the flow control, LAG and LACP stuff is off as well.
0
 
DaveNicolAuthor Commented:
Hi Rick
I have found the problem and it was not with the interfaces to the switches but with my Sonos kit.
I forgot yhat the Sonos devices create thier own wireless mesh network and when 2 of them have a physical connection to the network a loop is formed. Having any one of the sonos devices physically connected to the netgear is OK but 2 causes the error which manafests itself as high m/s pings or drops on the other network devices.
As an experiment i plugged the old SD2008 switch into the Netgear and then 2 sonos devices into the 2008 and all worked OK, so the SD2008 seems to deal with the loop OK??

Will have to have a look at LAGs and CST to see if i can get multiple sonos devices on the wired LAN, rather than have to fall back to connecting them via the SD2008.

Will accept you earlier suggestion as the solution as it did prompt me to go back to basics and add devices one by one until the problem arose and then investigate it.


Thanks

Dave




0
 
DaveNicolAuthor Commented:
Good reminder to go back to basics of problem resolution
0
 
Rick_O_ShayCommented:
Glad to help Dave. Maybe the SD2008s have spanning tree turned on and break the loop on the wired side?
0

Featured Post

Free Tool: Subnet Calculator

The subnet calculator helps you design networks by taking an IP address and network mask and returning information such as network, broadcast address, and host range.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

  • 4
  • 4
Tackle projects and never again get stuck behind a technical roadblock.
Join Now