Dell 6248P, 6224P, 6224F Known Restrictions and Limitations Layer, 802.1AB Lldp, QoS, 802.1X

Known Restrictions and Limitations

Layer 2

802.1AB (LLDP)

Description	User Impact
LLDP-MED location and inventory	The switch does not support configuring this data so enabling these TLVs
transmit TLVs have no effect.	has no effect.
QoS
Description	User Impact
Traffic permitted by an outbound	This behavior is a limitation of implementing egress ACLs on an ingress
ACL on one port can be allowed on	classifier.
another port.	Given a configuration where two outbound ACLs are active on different
	ports. Since both ACLs are applied in the 'out' direction, the rules
	programmed into the IFP will match on any ingress port. Ultimately, w/ the
	implementation of egress ACLs on the ingress classifier, unexpected
	behavior occurs if overlapping rules (i.e. a given packet can match multiple
	rules) are applied to different ports in the outbound direction.
Ip-dscp-mapping is not working as	This is only an issue when forwarding traffic between 10G interfaces on
per the configured priority Queues on	different switches in a stack. The stack link can only support 12G so if it is
10G (CX4) ports.	oversubscribed, the effects of the queues are reduced.
802.1X
Description	User Impact
Windows Vista® Authentication	The Windows Vista® client could fail to authenticate properly when the
	option to cache user credentials is selected.
	Workaround:
	1. In Control Panel Æ 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.

28 System Firmware Version 3.2.0.6