Brocade Multi-Service IronWare Switching Configuration Gui Manual de usuario Pagina 628

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598 Multi-Service IronWare Switching Configuration Guide
53-1003036-02
About Multi-Chassis Trunk (MCT)
18
IGMP and MLD Control Packet Processing on MCT cluster switches
For IGMP reports and leaves,
Native Packets coming to CPU from CCEP endpoints will be encapsulated in MDUP header and
sent across ICL link thru the TCP connection to the remote cluster peer, along with required
control information in the header indicating the packet was received from a CCEP link, VLAN
and client RBridgeID.
Native Packets coming to CPU from CEP endpoint will be encapsulated in MDUP header and
sent across ICL link thru the TCP connection to the remote cluster peer, along with required
control information in the header indicating the packet was received from a CEP link, VLAN and
peer RBridgeID.
Native Packets coming to CPU from ICL will not be processed to learn the group member. Only
the MDUP messages that are sent through the TCP connection established between ICL links
will be used to build the group OIF list.
Packets coming from CEP and CCEP will be forwarded to router ports that are CEP, CCEP and
ICL.
Packets coming from ICL will be forwarded to router ports that are CEP. Packets will not be
forwarded to router ports that are CCEP unless the peer CCEP ports are down.
For IGMP queries,
Queries coming from CEP and CCEP will be forwarded to non-querier port that is CEP, CCEP and
ICL.
Queries coming from ICL will be forwarded to non-querier port that is CEP. Packet will not be
forwarded to non-querier port that is CCEP unless the peer CCEP port is down.
Forwarding entries for multicast snooping
TABLE 78 Forwarding entries (S,G)
TABLE 77 Forwarding entries (*,G)
Event MCT-1 MCT-2
No-Join (*,G)->blackhole (*,G)->blackhole
(S,G)Join on (MCT-1)CEP (*,G)->CEP - sources maintained on a
port hash-list.
(*,G)->ICL
(S,G)Join on (MCT-2)CEP (*,G)->ICL (*,G)->CEP
(S,G)Join on (MCT-1)CCEP (*,G)->CCEP , ICL] (*,G)->CCEP, ICL
(S,G)Join on (MCT-2)CCEP
(*,G)->CCEP, ICL (*,G)->CCEP, ICL
Event MCT-1 MCT-2
No-Join (S,G)->blackhole (S,G)->blackhole
Join (MCT-1)CEP (S,G)->CEP (S,G)->ICL
Join on (MCT-2)CEP (S,G)->ICL (S,G)->CEP (S,G)->CEP
Join (MCT-1)CCEP (S,G)->CCEP, ICL (S,G)->CCEP, ICL
Join (MCT-2)CCEP
(S,G)->CCEP, ICL (S,G)->CCEP, ICL
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