User manual

APS User Manual
172
Port Type: There are several port types that can be selected depending on the role of
the port. The port type available are Unaware, (Customer) C-Port, (Service)
S-Port and S-Custom Port:
Unaware – This port type can be used when the configured port is an
untagged port. All received packets will be tagged with the corresponding
PVID.
This port type can also be used when using Q-in-Q VLAN’s as this port type
will allow a Tagged Port to re-Tagged for Q-in-Q, as long as the TPID is
0x8100. (Standard 802.1q valid Ethernet Frame)
If the frame received has a TPID of 0x88A8 (Standard 802.1ad Q-in-Q Frame)
it will be discarded.
When the frame leaves the switch the TPID will be set to 0x8100.
C-Port – This port type can be used when the configured port is an untagged
port. All received packets will be tagged with the corresponding PVID.
This port can also be used for Tagged Ports. If the frame received has a TPID
of 0x8100 (Standard 802.1q valid Ethernet Frame) it will be forwarded.
If the frame received has a TPID of 0x88A8 (Standard 802.1ad Q-in-Q Frame)
it will be discarded.
When the frame leaves the switch the TPID will be set to 0x8100.
S-Port – This port type can be used when the configured port is an untagged
port. All received packets will be tagged with the corresponding PVID.
This port can also be used for Tagged Ports. If the frame received has a TPID
of 0x88A8 (Standard 802.1ad Q-in-Q Frame) it will be forwarded.
If the frame received has a TPID of 0x8100 (Standard 802.1q valid Ethernet
Frame) it will be discarded.
When the frame leaves the switch the TPID will be set to 0x88A8.
S-Custom-Port – This port type can be used when the configured port is an
untagged port. All received packets will be tagged with the corresponding
PVID.
This port can also be used for Tagged Ports. If the frame received has a TPID
of 0x88A8 (Standard 802.1ad Q-in-Q Frame) it will be forwarded.
If the frame received has a TPID of 0x8100 (Standard 802.1q valid Ethernet
Frame) it will be discarded.
When the frame leaves the switch the TPID will be set to The Ethertype
specified in the Ethertype for Custom S-Ports field.
Ingress Filtering: Enable ingress filtering on a port by checking the box. This parameter affects
VLAN ingress processing. If ingress filtering is enabled and the ingress port is