Configuration Notes - Dell PowerConnect B-FCXs Configuration Manual

FIGURE 107
VLAN 100
Promiscuous Ports
Table 79
TABLE 79
Forwarding behavior
All ports within a VLAN constitute a
common layer broadcast domain
Broadcasts and unknown unicasts are
forwarded to all the VLAN ports by
default
Known unicasts

Configuration notes

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•
PowerConnect B-Series FCX Configuration Guide
53-1002266-01
Example PVLAN network with tagged ports
VLAN 101
Isolated VLAN/Ports Community VLAN/Ports
3
4
3
VLAN 101
Isolated VLAN/Ports Community VLAN/Ports
VLAN 100 - switch - switch link Ports
lists the differences between PVLANs and standard VLANs.
Comparison of PVLANs and standard port-based VLANs
PVLANs are supported on untagged ports on all PowerConnect platforms. PVLANs are also
supported on tagged ports on the PowerConnect B-Series FCX platform only.
Normally, in any port-based VLAN, the Dell PowerConnect device floods unknown unicast,
unregistered multicast, and broadcast packets in hardware, although selective packets, such
as IGMP, may be sent only to the CPU for analysis, based on the IGMP snooping configuration.
When protocol or subnet VLANs are enabled, or if PVLAN mappings are enabled, the Dell
VLAN 102
Isolated VLAN/Ports
2 1
10
11
Switch 1
Switch 4
11
10
2 1
VLAN 102
Isolated VLAN/Ports
Private VLANs
No
No (isolated VLAN)
Yes (community VLAN)
Yes
Configuring private VLANs
VLAN 101 VLAN 102
Community VLAN/Ports
3 2
10
11
Switch 2
Switch 3
11
10
3 2
VLAN 101 VLAN 102
Community VLAN/Ports
Standard VLANs
Yes
Yes
Yes
13
1
1
491