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(2) Functionality that uses a device MAC address
The following table shows the types of functionality that use the device MAC address.
Table 13-2 Functionality that uses a device MAC address
Functionality
VLAN
LACP for link aggregation
Spanning Tree Protocol
LLDP
IEEE 802.3ah/UDLD
Uplink redundancy (sending flush control frames)
L2 Loop Detection
CFM
13.1.5 Order of Ethernet frames
The Switch forwards some frames using software. Therefore, the order of the frames might
be changed due to forwarding. Also, the order of the frames might be changed when
priority control based on the CoS values
#
CoS values are used as an index for indicating the priority of frames in the Switch.
(1) Order change of the forwarded frames due to software forwarding
Some IGMP or MLD snooping frames, such as query frames, are subject to software
forwarding on the Switch
Figure 13-3 Order change of frames due to software forwarding
Purpose
MAC addresses of VLAN interfaces
Device identifier
Device identifier
Device identifier
Device identifier
Device identifier
Device identifier
Device identifier
#
is applied.
13 Ethernet
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