Dell PowerConnect 7048R Примітки до випуску - Сторінка 15
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PowerConnect M6220/M6348/8024/8024F/M8024/M8024-k/
7024/7048/7024P/7048P/7024F/7048R/7048R-RA Release Notes
This capability adds support for responding to pings by the VRRP master, but does not allow the VRRP Master to
accept other types of packets. A configuration option controls whether the router responds to Echo Requests sent to a
VRRP IP address. When enabled, the VRRP master responds to both fragmented and un-fragmented ICMP Echo
Request packets. The VRRP master responds to Echo Requests sent to the virtual router's primary address or any of its
secondary addresses. When the VRRP master responds with an Echo Reply, the source IPv4 address is the VRRP
address and source MAC address is the virtual router's MAC address. The VRRP master does not respond to pings sent
from the master.
Members of the virtual router who are in backup state discard ping packets destined to VRRP addresses, just as they
discard any Ethernet frame sent to a VRRP MAC address.
Fragmentation and Reassembly:
Fragmentation and reassembly of VRRP packets is not supported.
DHCP Relay
The following enhancements have been made to the operation of DHCP Relay to bring the implementation into
conformance with RFC 4649:
DHCPv6 Relay Circuit Id/Remote Id Types
RFC 4649 specifies the IANA assignment of the Relay Circuit Id sub-option and Remote Id option. The
implementation has been changed so that the administrator can no longer assign a numerical value to these TLVs as the
IANA assigned number is now used. The administrator can still enable or disable the insertion of these TLVs in
messages sent to the DHCP server.
Relay Information Option:
The operator has the ability to enable DHCP Relay Information Options both globally and on a physical interface. The
interface configuration overrides the global configuration for the selected interface.
Relay Information Option Check:
When DHCP Option-82 insertion is enabled for a relay agent, the server should echo received Option 82 unaltered back
toward the client. The relay agent is required to strip Option 82 information before relaying the BOOTPREPLY to the
DHCP client. When enabled, the Relay Information Option Check will cause the BOOTPREPLY packet to be dropped
if invalid sub-options are echoed by the DHCP server.
L2 Address Table
The administrator can disable MAC address table aging.
The administrator can configure static forwarding of a MAC address on a specific VLAN.
NOTE:
By default, multicast frames are flooded by the switch. Utilize the
mac address-table multicast filtering command to disable flooding of
multicast frames.
System Firmware Version 4.1.0.6
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