SETUP
Page 38
DOC_DEV_XS_Setup guide_C
9.2.2
Ingress policy
That part of the page is made to register which process must be applied to the Ethernet frames when they
enter a given port of the switch or when they are received from the line.
One defines
•
which already tagged frames can enter the switch;
•
which VLAN ID will be assigned to untagged frames coming into the switch.
Example :
Let us go on with the example given at the previous paragraph; we have defined the Egress policy :
Egress policy
LAN1
LAN2
LAN3
LAN4
SHDSL
VLAN 4
Yes
–
tagged
No
No
No
Yes
–
tagged
VLAN 5
Yes
–
tagged
No
No
No
Yes
–
tagged
VLAN 12
No
Yes
–
untagged
No
No
Yes
–
tagged
The table hereafter, defines the ingress policy :
LAN1
LAN2
LAN3
LAN4
SHDSL
VLAN ID
4
12
0
0
12
Accept all frames
Refuse a frame not belonging to a configured VLAN
X
Refuse a frame not belonging to a VLAN associated
to the port
X
X
X
X
LAN1
Only frames tagged with ID 4 or 5 can enter through this port.
Untagged frames are assigned to VLAN 4 and can enter through this port.
LAN2
Only frames tagged with VLAN ID 12 can enter through this port.
Untagged frames are assigned to VLAN 12 and can enter through this port.
LAN3 et LAN4
Frames cannot enter through these ports.
SHDSL
Only frames tagged with ID 4 or 5 or 12 can enter through these ports.
Untagged frames are assigned to VLAN 12 and can enter through this port.
Содержание XLAN+ Series
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