Configuration guide Added and modified featuresIGMP (available only on theS5500-EI) Added features: setting the DSCP value for IGMP messages.PIM (available only on theS5500-EI) Added feature: setting the DSCP value for PIM messages.MSDP (available only on theS5500-EI) N/AMBGP (available only on theS5500-EI) N/AMLD snooping Added features: setting the DSCP value for MLD messages.IPv6 PIM snooping N/AIPv6 multicast VLAN N/AIPv6 multicast routing andforwarding (available only on theS5500-EI)N/AMLD (available only on theS5500-EI) Added features: setting the DSCP value for MLD messages.IPv6 PIM (available only on theS5500-EI) Added features: setting the DSCP value for IPv6 PIM messages.IPv6 MBGP (available only on theS5500-EI) N/AConventionsThis section describes the conventions used in this documentation set.Command conventionsConvention DescriptionBoldface Bold text represents commands and keywords that you enter literally as shown.Italic Italic text represents arguments that you replace with actual values.[ ] Square brackets enclose syntax choices (keywords or arguments) that are optional.{ x | y | ... } Braces enclose a set of required syntax choices separated by vertical bars, from whichyou select one.[ x | y | ... ] Square brackets enclose a set of optional syntax choices separated by vertical bars, fromwhich you select one or none.{ x | y | ... } * Asterisk marked braces enclose a set of required syntax choices separated by verticalbars, from which you select at least one.[ x | y | ... ] * Asterisk marked square brackets enclose optional syntax choices separated by verticalbars, from which you select one choice, multiple choices, or none.&<1-n> The argument or keyword and argument combination before the ampersand (&) sign canbe entered 1 to n times.# A line that starts with a pound (#) sign is comments.