Dell PowerEdge M820 Systems Release Notes - Page 7

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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
 Link Local Protocol Filtering
Link Local Protocol Filtering blocks Cisco link local protocols from being flooded in the network. By default,
PowerConnect switches process and respond to Cisco CDP packets. However, in networks where this capability is not
desirable or other Cisco proprietary packets are flooded over the network, the administrator can disable flooding of
Cisco link local protocols. The following table identifies the matching criteria for filtering Cisco proprietary packets:
Rule Type
Blockcdp
Blockvtp
Blockdtp
Blockudld
Blockpagp
Blocksstp
Blockall
 DHCP Server
The PowerConnect Series switches support a simple DHCP server capability for domains that do not wish to deploy a
redundant DHCP address assignment solution or who have need of a temporary solution while (re)deploying their
DHCP server solution.
In configuring DHCP scopes, be aware that the DHCP pool address and netmask must exactly match a VLAN address
and netmask assignment for DHCP addresses to be served over that VLAN.
Only a single manual IP address can be assigned to a pool. The address must have a netmask of 32.
 GMRP
The GARP Multicast Registration Protocol provides a mechanism that allows networking devices to dynamically
register (and de-register) Group membership information with the MAC networking devices attached to the same
segment, and for that information to be disseminated across all networking devices in the bridged LAN that support
Extended Filtering Services. The PowerConnect Series switches support GMRP as specified in IEEE 802.1Q 1998.
 WRED
Weighted random early drop is supported on certain PowerConnect series switches. Refer to the table at the beginning
of this section for further information. CoS queue configuration involves the following hardware port queue
configuration parameters:
scheduler type: strict vs. weighted
minimum guaranteed bandwidth
maximum allowed bandwidth (i.e. shaping)
queue management type: tail drop vs. WRED
tail drop parameters: threshold
WRED parameters: minimum threshold, maximum threshold, drop probability
System Firmware Version 4.1.0.6
Rule Purpose
Used to block CDP
PDU's
Used to block VTP
PDU;s
Used to block DTP
PDU's
Used to block UDLD
PDU's
Used to block PAGP
PDU's
Used to block SSTP
PDU's
Used to block all defined
Protocol Filtering PDU's
Blocked Destination
MAC Address
N/A
N/A
N/A
N/A
N/A
N/A
01:00.0C:CC:CC:C0
Ether Type
0x2000
0x2003
0x2004
0x0111
0x0104
0x010b
N/A
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