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Beginner

Catalyst 6500 and L3 Multicast Restrictions

"Release 15.2SY Supervisor Engine 2T Software Configuration Guide" states:
Restrictions for IPv4 Multicast Layer 3 Features

IP multicast Layer 3 switching is not provided for an IP multicast flow in the following situations:

  • For IP multicast groups that fall into the range 224.0.0.* (where * is in the range 0 to 255), which is used by routing protocols.
  • Layer 3 switching is supported for groups 225.0.0.* through 239.0.0.* and 224.128.0.* through 239.128.0.*.

"Catalyst 6500 Release 12.2SX Software Configuration Guide" states:

Restrictions

IP multicast Layer 3 switching is not provided for an IP multicast flow in the following situations:

  • For IP multicast groups that fall into the range 224.0.0.* (where * is in the range 0 to 255), which is used by routing protocols.
  • Layer 3 switching is supported for groups 224.0.2.* to 239.*.*.*.

Does this really means that, for example, multicast towards 239.255.255.250 is supported with 12.2SX but not with 15.2SY ?

Thanks in advance

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