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HP PROCURVE 2610 Advanced Traffic Management Manual: Supported Standards And Rfcs; Operation With Or Without Ip Addressing

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Supported Standards and RFCs

ProCurve's implementation of IGMP supports the following standards and
operating capabilities:
The ProCurve implementation is subject to the following restrictions:
N o t e
IGMP is supported in the HP MIB, rather than the standard IGMP MIBs, as the
latter reduce Group Membership detail in switched environments.
Operation With or Without IP Addressing
You can configure IGMP on VLANs that do not have IP addressing. The benefit
of IGMP without IP addressing is a reduction in the number of IP addresses
you have to use and configure. This can be significant in a network with a large
number of VLANs. The limitation on IGMP without IP addressing is that the
switch cannot become Querier on any VLANs for which it has no IP address—
so the network administrator must ensure that another IGMP device will act
as Querier. It is also advisable to have an additional IGMP device available as
a backup Querier. See the following table.
RFC2236 (IGMP V.2, with backwards support for IGMP V.1)
IETF draft for IGMP and MLD snooping switches (for IGMP V1,
V2 V3)
Full IGMPv2 support as well as full support for IGMPv1 Joins.
Ability to operate in IGMPv2 Querier mode on VLANs with an IP
address.
Interoperability with RFC3376 (IGMPv3)
Interoperability with IGMPv3 Joins. When the switch receives an
IGMPv3 Join, it accepts the host request and begins forwarding
the IGMP traffic. This means ports that have not joined the group
and are not connected to routers or the IGMP Querier will not
receive the group's multicast traffic.
No support for the IGMPv3 "Exclude Source" or "Include Source"
options in the Join Reports. Rather, the group is simply joined
from all sources.
No support for becoming a version 3 Querier. The switch will
become a version 2 Querier in the absence of any other Querier
on the network.
Multimedia Traffic Control with IP Multicast (IGMP)
How IGMP Operates
4-13

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Troubleshooting

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