Switches - VLAN/Carp NOT HP2524

**RichieP** · 15th April 2008

Just discovered that the HP2524's are not suitable for CARP multi vlan - so what would you pick -
Requirements are;

1) min 24 ports 100TX
2) multiple vlans with multiple mac address books (the 2524 has 1!)
3) Preferable no C****

We are a small specialist internet application company - we don't have deep pockets???

Thanks in advance!!!

Richard

**goscombtech** · 16th April 2008

why no Cisco? They do all that... and aren't exactly expensive

under £400 for a shiny new 2960-24TT-L...

**Karl** · 16th April 2008

Well the 2524 isn't a managed switch from memory, so it's not going to be suitable. Take a look at the 2626, cheap as chips and AFAIK should do what you require of it and comes with a lifetime warranty.

**UKDSL** · 16th April 2008

Originally Posted by Karl

Well the 2524 isn't a managed switch from memory.

I dont think your memory's as good as it used to be Karl, must be getting old!

**Karl** · 16th April 2008

Why did I type managed, when I meant to type Layer3?

**danfoster** · 16th April 2008

Think the 2626 has been discontinued, it's been replaced by the 2610-24 (or something along those lines!)

**Karl** · 16th April 2008

Not quite discontinued just yet, 2626 will be around for a while yet, if the 2810 and 2824/48 are anything to go by. I'd be waiting a while as well, HP have been known to bring out new lines and have them a bit wobbly for a while, like dodgy first batches.

**Ed-Freethought** · 16th April 2008

Check out the Dell PowerConnects, IMHO they're amazing value for money. Not had any problems with the so far

**RichieP** · 16th April 2008

Are you suggesting that the switches need to be layer 3 to not have the mac/vlan issues?

**Karl** · 16th April 2008

Well it might help if you said exactly what your issue is

**RichieP** · 16th April 2008

{cut}

**RichieP** · 16th April 2008

I've posted this once but doesn't seem to have made it....

We have put a new dual firewall system in and were having approx 50% packet loss..

The switches were vlaned and it seems the carp fake macs were upsetting it. Eventually I found the following post
http://forums11.itrc.hp.com/service/...readId=1033811

and to quote

I believe this is happening because the firewalls probably share the same virtual mac-address for their HA functionality.

The 2500 series only have a single mac-address table, whereas the newer products such as the 2600's have a mac-address table per VLAN.

There's some information about this in the VLAN chapter of the management and configuration guide... you can also find it here:

http://www.hp.com/rnd/support/faqs/2...htm#question27

Once I remove the virtual LAN carpip the problem goes away!

So I suppose my question a couple of posts up was ' does a switch need to be layer 3 to go with this, or is it just a problem with the ageing 2524, which is a managed layer2

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