Dell PowerEdge M420 Dell PowerConnect M8024-k Release Notes - Page 25

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 User Impact The Windows Vista® client could fail to authenticate properly when the option to cache user credentials is selected. Workaround: 1. In Control Panel  Network Connections, right-click on the desired 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. 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 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. LACP Description LAGs Supported User Impact Number of LAGs supported:  48 total LAGs of which up to 18 may be dynamic LAGs. IGMP Snooping Description No command to identify external IGMP querier 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. Multicast VLAN Registration Description MVR is not supported on LAGs User Impact Use of MVR is restricted to physical interfaces. System Firmware Version 4.1.0.6 Page 23