7New in this releaseThe following sections detail what’s new in Nortel Ethernet Routing Switch5000 Series Release Notes — Release 6.0.Features See the following sections for information about feature changes.• "Dual agent support" (page 12)• "IGMPv3 snooping support" (page 12)• "PIM-SM" (page 12)• "IPv6 " (page 12)• "Many-to-many port mirroring (Ethernet Routing Switch 5600 Seriesonly)" (page 12)• "MIB and Trap Web pages" (page 13)• "NSNA enhancements" (page 13)• "ASCII download log enhancements" (page 13)• "RMON entry scaling" (page 14)• "DoS attack prevention package (DAPP) support" (page 14)• "Improved sytem log capabilities (exception errors)" (page 14)• "SMLT enhancements" (page 14)Other changesSee the following sections for information about changes that are notfeature-related.New hardwareNortel Ethernet Routing Switch 5000 Series introduces new switches thatcomplement the Ethernet Routing Switch 5500 Series. The new switchesprovide increased bandwidth, use the same software image as the 5500Series switches, and allow you to customize your stack.Nortel Ethernet Routing Switch 5000 SeriesRelease Notes — Release 6.0NN47200-400 04.01 Standard6.0 12 December 2008Copyright © 2008., Nortel Networks.