Operation Manual – Port
Quidway S3100 Series Ethernet Switches
Chapter 1 Basic Port Configuration
Huawei Technologies Proprietary
1-3
Table 1-2
Processing of incoming/outgoing packets
Processing of an incoming packet
Port
type
If the
packet
does not
carry a
VLAN tag
If the packet carries a
VLAN tag
Processing of an
outgoing packet
Access
z
If the VLAN ID is just the
default VLAN ID, receive
the packet.
z
If the VLAN ID is not the
default VLAN ID, discard
the packet.
Deprive the tag from the
packet and send the packet.
Trunk
z
If the VLAN ID is just the
default VLAN ID, deprive
the tag and send the
packet.
z
If the VLAN ID is not the
default VLAN ID, keep
the original tag
unchanged and send the
packet.
Hybrid
Receive
the packet
and add
the default
tag to the
packet.
z
If the VLAN ID is just the
default VLAN ID, receive
the packet.
z
If the VLAN ID is not the
default VLAN ID but is
one of the VLAN IDs
allowed to pass through
the port, receive the
packet.
z
If the VLAN ID is neither
the default VLAN ID, nor
one of the VLAN IDs
allowed to pass through
the port, discard the
packet.
z
If the VLAN ID is just the
default VLAN ID, deprive
the tag and send the
packet.
z
If the VLAN ID is not the
default VLAN ID, deprive
the tag or keep the tag
unchanged (whichever
is done is determined by
the
port hybrid vlan
vlan-id-list
{
tagged
|
untagged
} command)
and send the packet.
Caution:
To guarantee the proper packet forwarding, the default VLAN ID of the local hybrid port
or trunk port should be identical with that of the hybrid port or trunk port on the peer
switch.