Dell PowerConnect 6248P Release Release - Pagina 30
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Known Restrictions and Limitations
Layer 2
802.1AB (LLDP)
Description
LLDP-MED location and inventory
transmit TLVs have no effect.
QoS
Description
Traffic permitted by an outbound
ACL on one port can be allowed on
another port.
Ip-dscp-mapping is not working as
per the configured priority Queues on
10G (CX4) ports.
802.1X
Description
Windows Vista® Authentication
28
User Impact
The switch does not support configuring this data so enabling these TLVs
has no effect.
User Impact
This behavior is a limitation of implementing egress ACLs on an ingress
classifier.
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.
This is only an issue when forwarding traffic between 10G interfaces on
different switches in a stack. The stack link can only support 12G so if it is
oversubscribed, the effects of the queues are reduced.
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
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.
Network Connections, right-click on the
System Firmware Version 3.2.0.6