Cisco Sg2008 Manual

Port Management
Green Ethernet
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To configure global Green Ethernet properties:
STEP 1Click Port Management > Green Ethernet > Properties in the navigation window.
By default, Energy Detect mode is enabled globally and on all ports.
STEP  2If not already enabled, select Energy Detect Mode to enable this feature on the 
switch. The switch automatically enters the low-power mode when energy on the 
line is lost, and it resumes normal operation...

Port Management
Green Ethernet
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-Link up—There is activity on the link.
-Admin Down—Energy detect mode is administratively disabled.
STEP  2Select the port to configure and click Edit.
STEP  3Select Energy Detect to administratively enable Energy Detect on the port.
STEP  4Click Apply to save any changes to the Running Configuration. 

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VLAN Management
This chapter describes how to configure virtual LANs.
It includes the following topics:
•Creating VLANs
•Configuring VLAN Interface Settings
•Configuring VLAN Membership
•Configuring Port VLAN Membership
•Setting the Default VLAN
•Voice and Media
Virtual LAN (VLAN) on a Layer 2 switch offers some of the benefits of both 
bridging and routing. Like a bridge, a VLAN switch forwards traffic based on the 
Layer 2 header, which is...

VLAN Management
Creating VL ANs
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Creating VLANs
The Create VL AN page enables you to define and configure VLANs on the 
network. To display this page VLAN Management > Create VLAN in the 
navigation window.
The VLAN Table displays the VLAN ID, name, if one exists, and type for the pre-
configured VLAN (VLAN ID 1) and any VLANs that you add. One port must be 
configured as the Default VLAN. The type for all other VLANs is Static. The switch 
is...

VLAN Management
Configuring VL AN Interface Settings
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To configure VLAN interface settings:
STEP 1Select the port or LAG to configure and click Edit.
STEP  2Configure the following settings for the selected port or LAG:
•Interface VLAN Mode—Select an option to configure the port type with 
respect to VLAN membership and tagging.
-General—The port can be a member of one or more tagged or untagged 
VLANs. This mode allows the full capabilities...

VLAN Management
Configuring VL AN Interface Settings
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•Frame Type—Specifies the frame type accepted on the port:
-Admit Untagged Only—Only untagged frames are accepted on the 
port. Tagged frames are discarded.
-Admit Tagged Only—Only tagged frames are accepted on the port. 
Untagged frames are discarded.
-Admit All—Both tagged and untagged frames are accepted on the port. 
An access port can admit untagged frames only. A trunk port can be...

VLAN Management
Configuring VL AN Interface Settings
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Changing from Trunk Port to Access Port
If the original trunk port has an untagged VLAN member on the port, the port is 
removed from all its VLANs except the untagged VLAN on the port. The PVID is 
set to the untagged VLAN ID.
If the original Trunk port does not have an untagged VLAN member on the port, the 
port is removed from all its VLANs and becomes a member of the default VLAN. Its...

VLAN Management
Configuring VL AN Membership
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•If an Access port was a member of the deleted VLAN, the Access port 
becomes a member of the default VLAN and its PVID is changed to the 
default VLAN.
•If a General port was configured to use the VLAN ID as its PVID, the General 
port’s PVID is changed to the default VLAN ID. No other VLAN memberships 
are changed.
Configuring VLAN Membership
You can use these pages to view and configure VLAN...

VLAN Management
Configuring VL AN Membership
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Configuring Port to VLAN
Use the Por t to VL AN page to:
•Configure ports as members of a selected VLAN.
•Specify that when a port receives packets from the selected VLAN, the 
packets are tagged with the VLAN ID upon forwarding.
•Specify that the selected VLAN ID serves as the port VLAN ID (i.e., the 
selected VLAN ID is added when the port forwards packets that it receives 
with no VLAN...

VLAN Management
Configuring VL AN Membership
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Configuring Port VLAN Membership
To configure VLAN settings for ports:
STEP 1Click VLAN Management > Port VLAN Membership in the navigation window.
By default , the page displays VLAN information for each port. You can use the filter 
settings to display the VLAN information for LAG ports. The page displays the 
interface VLAN mode (Trunk, Access, or General), the PVID, and the VLAN 
membership(s)....