-34-
1.
If the 802.1Q Control function is disabled, Management VLAN settings are ignored and no VLAN
limitation is applied in accessing the web management interface. The http server only accepts untagged
management packets and replies untagged packets to the management host.
2.
If [Management VLAN - VID] setting is zero, no VLAN limitation is applied in accessing the web
management interface. The http server only accepts untagged management packets and replies untagged
packets to the management host.
3.
If [Management VLAN - VID] setting is not zero, the http server only accepts tagged management packets
matched [Management VLAN -VID] and replies tagged packets with tag composed of [Management
VLAN] VID, CFI and User Priority settings to the management host.
Summary of the rules:
802.1Q Control
Management VLAN VID
Embedded Http (Web) Server operation
Disabled
Ignore Accept
untagged
web
packets
Reply
untagged
packets
Enabled
VID=0 Accept
untagged
web
packets
Reply
untagged
packets
Enabled
VID<>0
Accept
matched
tagged
web
packets
only
( 1 ~ 4095)
Reply tagged packets with the configured tag
Notes:
1.
No matter how management VLAN is configured, login password authentication is still required.
2.
Default [Management VLAN - VID] is equal to zero. It is allowed to access the device from any untagged
PC web browser.
3.
Most of the PCs are tag-incapable for LAN access. Be sure the rules are followed before setting
[Management VLAN - VID] not equal to zero.