Huawei Quidway S3100 Series Operation Manual page 125

Operation Manual – Port
Quidway S3100 Series Ethernet Switches
Table 1-2 Processing of incoming/outgoing packets
Port
type
Access
Trunk
Hybrid
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.
Processing of an incoming packet
If the
packet
If the packet carries a
does not
carry a
VLAN tag
If the VLAN ID is just the
default VLAN ID, receive
the packet.
If the VLAN ID is not the
default VLAN ID, discard
the packet.
If the VLAN ID is just the
default VLAN ID, receive
Receive
the packet.
the packet
If the VLAN ID is not the
and add
default VLAN ID but is
the default
one of the VLAN IDs
tag to the
allowed to pass through
packet.
the port, receive the
packet.
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.
Huawei Technologies Proprietary
Chapter 1 Basic Port Configuration
VLAN tag
Deprive the tag from the
packet and send the packet.
1-3
Processing of an
outgoing packet
If the VLAN ID is just the
default VLAN ID, deprive
the tag and send the
packet.
If the VLAN ID is not the
default VLAN ID, keep
the original tag
unchanged and send the
packet.
If the VLAN ID is just the
default VLAN ID, deprive
the tag and send the
packet.
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.