10GBASE-T Switches

Thu Feb 10 19:42:52 UTC 2011

On Thu, Feb 10, 2011 at 08:33:43PM +0100, Daniel Roesen wrote:
> On Thu, Feb 10, 2011 at 10:05:54AM -0500, Chuck Anderson wrote:
> > Juniper EX4500 has 40 fixed SFP/SFP+ ports plus 2 uplink modules that 
> > can contain 4 SFP/SFP+ ports each for a total of 48 10GBASE-X ports.  
> 
> Be aware, that IGMP snooping breaks some(!) IPv6 multicast (e.g.
> DHCPv6). Affects whole EX-series and current plan is to fix it sometime
> end of year (Q4 release). If you use IPv4 multicast and need IGMP
> snooping to prevent flooding and plan to use e.g. stateful DHCPv6, that
> might be a showstopper for now and the VLANs where IGMP snooping is
> enabled.

I should add that we're quite happy with the EX4500 on the features it
has (want QinQ yesterday, prettypretty please). No datacenter usage though.

Best regards,
Daniel

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