Dell PowerEdge M820 Systems Release Notes - Page 25

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Dell PowerEdge M820 Systems Release Notes
PowerConnect M6220/M6348/8024/8024F/M8024/M8024-k/
7024/7048/7024P/7048P/7024F/7048R/7048R-RA Release Notes
Known Restrictions and Limitations

Layer 2

802.1x Authentication
Description
Windows Vista® Authentication
Maximum number of 802.1x clients per
port
Maximum number of 802.1p traffic
classes
MAC Filtering
Description
Maximum number of unicast static
filtering entries
Maximum number of multicast static
filtering entries
Static multicast MAC address table
entries do not show with show command
LACP
Description
LAGs Supported
IGMP Snooping
Description
No command to identify external IGMP
querier
Multicast VLAN Registration
Description
MVR is not supported on LAGs
System Firmware Version 4.1.0.6
User Impact
The Windows Vista® client could fail to authenticate properly when the option to
cache user credentials is selected.
Workaround:
In Control Panel  Network Connections, right-click on the desired
1.
Local Area Connection and select Properties.
2.
In the Properties window, select the Authentication tab.
3.
Deselect the checkbox for Cache user information for subsequent
connections to this network.
4.
Click OK.
The maximum number of 802.1x clients per port is 4.
The maximum number of configurable traffic classes is 7.
User Impact
The maximum number of unicast MAC and source port filtering entries is 20.
The maximum number of multicast MAC and source port filtering entries is 20.
The maximum number of multicast MAC and destination port filtering entries is
256.
Users must enable MAC filtering using the mac addr-table multicast filtering
command to enable filtering. Static MAC multicast forwarding entries will then
be shown.
User Impact
Number of LAGs supported:
48 total LAGs of which up to 18 may be dynamic LAGs.
User Impact
There is no specific command to identify an external IGMP querier.
Administrators can use the show ip igmp snooping querier detail command or
the show ip igmp snooping querier vlan command to display information about
snooping queriers.
User Impact
Use of MVR is restricted to physical interfaces.
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