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.

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System Firmware Version 3.2.0.6

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