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 -- CLUE-RIPE -- Jabber: [email protected] -- dr@IRCnet -- PGP: 0xA85C8AA0
