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3Com Switch 8800 Configuration Guide Chapter 26 Common Multicast Configuration
26-4
Caution:
In local user view, before executing this command, you must configure user service
type to LAN-ACCESS, which is the only one supported by controlled multicast at
present.
26.3.3 Controlled Multicast Configuration Example
I. Network reuirements
As shown in Figure 26-1, HostA and HostB join the multicast group. Layer 3 multicast is
enabled on LSA, LSB, LSC and LSD. Controlled multicast is enabled on LSA and LSC.
Because controlled multicast combines multicast with 802.1x, 802.1x should be
enabled on LSA and LSC.
II. Network diagram
LSD
LSB
LSC
LSA
HostA HostB
VL AN11 VL AN12
VL AN10
VL AN10
VL AN11
VL AN12
VL AN12 VL AN10
VL AN11
LSD
LSB
LSC
LSA
HostB
VL AN11 VL AN12
VL AN10
VL AN10
VL AN11
VL AN12
VL AN12 VL AN10
VL AN11
Host
A
LSD
LSB
LSC
LSA
HostA HostB
VL AN11 VL AN12
VL AN10
VL AN10
VL AN11
VL AN12
VL AN12 VL AN10
VL AN11
LSD
LSB
LSC
LSA
HostB
VL AN11 VL AN12
VL AN10
VL AN10
VL AN11
VL AN12
VL AN12 VL AN10
VL AN11
Host
A
Figure 26-1 Network diagram for controlled multicast
III. Configuration procedure
Controlled multicast is combined with 802.1x, so you need to perform the following
configuration beside multicast configuration:
Enable controlled multicast globally.
[SW8800] ip managed-multicast
Enable 802.1x globally.
[SW8800] dot1x
Enable 802.1x on the controlled ports (the access ports for LSA and LSC).