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Page 46 / 104 Scroll up to view Page 41 - 45
38
Chapter 5: Configuring the Switch through the Web Utility
Switch Config
24-Port 10/100 + 2-Port Gigabit Switch with Webview and Power over Ethernet
VLAN Port
You can configure VLAN behavior for specific interfaces, including the default VLAN identifier (PVID), accepted
frame types, ingress filtering and mode.
VLAN identifier (PVID)
. VLAN ID assigned to untagged frames received on the interface. (Default: 1)
•
If an interface is not a member of VLAN 1 and you assign its PVID to this VLAN, the interface will
automatically be added to VLAN 1 as an untagged member. For all other VLANs, an interface must first be
configured as an untagged member before you can assign its PVID to that group.
Accepted frame types
. Sets the interface to accept all frame types, including tagged or untagged frames, or
only tagged frames. When set to receive all frame types, any received frames that are untagged are assigned to
the default VLAN. (Options: All, Tagged; Default: All)
Ingress filtering
. Determines how to process frames tagged for VLANs for which the ingress port is not a
member. (Default: Disabled)
•
Ingress filtering only affects tagged frames.
•
If ingress filtering is disabled and a port receives frames tagged for VLANs for which it is not a member,
these frames will be flooded to all other ports (except for those VLANs explicitly forbidden on this port).
•
If ingress filtering is enabled and a port receives frames tagged for VLANs for which it is not a member,
these frames will be discarded.
•
Ingress filtering does not affect VLAN independent BPDU frames, such as GVRP or STP. However, they do
affect VLAN dependent BPDU frames, such as GMRP.
Mode
. Indicates VLAN membership mode for an interface. (Default: General)
•
Trunk – Specifies a port as an end-point for a VLAN trunk. A trunk is a direct link between two switches,
so the port transmits tagged frames that identify the source VLAN. Note that frames belonging to the
port’s default VLAN (that is, associated with the PVID) are also transmitted as tagged frames.
•
General – Specifies a hybrid VLAN interface. The port may transmit tagged or untagged frames.
•
Access – Is the default setting for all ports.
Fill in the required settings for each interface, click
Submit
.
Figure 5-17: Switch Config - VLAN Port
Page 47 / 104
39
Chapter 5: Configuring the Switch through the Web Utility
Switch Config
24-Port 10/100 + 2-Port Gigabit Switch with Webview and Power over Ethernet
LAG Configuration
You can create multiple links between devices that work as one virtual, aggregate link. An aggregated link offers
a dramatic increase in bandwidth for network segments where bottlenecks exist, as well as providing a fault-
tolerant link between two devices. You can create up to four lags on the switch. Each lag can contain up to eight
ports.
The LAG Configuration screen displays the following information
LagName
. Shows you the label assigned to an interface. (Range: 1-64 characters)
Type
. Indicates the port type. (100BASE-TX, 1000BASE-T, or SFP)
Admin Status
. Shows if the interface is enabled or disabled.
Oper Status
. Shows if the link is Up or Down.
Speed Duplex Status
. Shows the current speed and duplex mode. (Auto, or fixed choice)
Flow Control Status
. Indicates the type of flow control currently in use. (IEEE 802.3x, Back-Pressure or None)
Autonegotiation
. Shows if auto-negotiation is enabled or disabled.
Creation
. Shows if a lag is manually configured or dynamically set via LACP.
To create a new lag, click
Create Lag
.
To configure broadcast control on a lag, click
Lag Broadcast Control
.
To configure VLAN activity for a specific lag, click
VLAN Lag Configuration
.
Figure 5-18: Switch Config - LAG Configuration
Page 48 / 104
40
Chapter 5: Configuring the Switch through the Web Utility
Switch Config
24-Port 10/100 + 2-Port Gigabit Switch with Webview and Power over Ethernet
Create LAG
Enter a lag ID of 1-4 in the
Lag
field, select any of the switch ports from the scroll-down port list, and click
Add
.
LAG Broadcast Control
Set the threshold for any lag, click
Submit
.
VLAN LAG Configuration
You can configure VLAN behavior for specific lag, including the default VLAN identifier (PVID), accepted frame
types, ingress filtering and mode.
Fill in the required settings for each lag, click
Submit
.
Acceptable Frame Type
. Sets the interface to accept all frame types, including tagged or untagged frames, or
only tagged frames. When set to receive all frame types, any received frames that are untagged are assigned to
the default VLAN. (Options: All, Tagged; Default: All)
Mode
. Indicates VLAN membership mode for an interface.
•
Trunk – Specifies a port as an end-point for a VLAN trunk. A trunk is a direct link between two switches,
so the port transmits tagged frames that identify the source VLAN. Note that frames belonging to the
port’s default VLAN (that is, associated with the PVID) are also transmitted as tagged frames.
•
General – Specifies a hybrid VLAN interface. The port may transmit tagged or untagged frames.
•
Access – Is the default setting for all ports.
Figure 5-19: Create LAG Screen
Figure 5-20: LAG Broadcast Control Screen
Figure 5-21: VLAN LAG Configuration Screen
Page 49 / 104
41
Chapter 5: Configuring the Switch through the Web Utility
Switch Config
24-Port 10/100 + 2-Port Gigabit Switch with Webview and Power over Ethernet
Port Mirroring
You can mirror traffic from any source port to a target port for real-time analysis. You can then attach a logic
analyzer or RMON probe to the target port and study the traffic crossing the source port in a completely
unobtrusive manner.
Monitor port speed should match or exceed source port speed, otherwise traffic may be dropped from the
monitor port.
All mirror sessions have to share the same destination port.
When mirroring port traffic, the target port must be included in the same VLAN as the source port.
Set the following attributes for port mirroring using the Port Mirroring screen.
Mirror Sessions
. Displays a list of current mirror sessions.
Source Port
. The port whose traffic will be monitored.
Type
. Allows you to select which traffic to mirror to the target port, Rx (receive), or Tx (transmit).
Target Port
. The port that will mirror the traffic on the source port.
Specify the source port, the traffic type to be mirrored, and the target port, then click
Add
.
Figure 5-22: Switch Config - Port Mirroring
Page 50 / 104
42
Chapter 5: Configuring the Switch through the Web Utility
Switch Config
24-Port 10/100 + 2-Port Gigabit Switch with Webview and Power over Ethernet
LACP
Ports can be statically grouped into an aggregate link (i.e., lag) to increase the bandwidth of a network
connection or to ensure fault recovery. Or you can use the Link Aggregation Control Protocol (LACP) to
automatically negotiate a lag link between this switch and another network device. For static lags, the switches
have to comply with the Cisco EtherChannel standard. For dynamic lags, the switches have to comply with LACP.
This switch supports up to four lags. For example, a lag consisting of two 1000 Mbps ports can support an
aggregate bandwidth of 4 Gbps when operating at full duplex.
To avoid creating a loop in the network, be sure you enable LACP before connecting the ports, and also
disconnect the ports before disabling LACP.
Set Port Actor – This menu sets the local side of an aggregate link; that is, the ports on this switch.
Set Port Partner – This menu sets the remote side of an aggregate link; that is, the ports on the attached device.
The command attributes have the same meaning as those used for the port actor. However, configuring LACP
settings for the partner only applies to its administrative state, not its operational state, and will only take effect
the next time an aggregate link is established with the partner.
Set the System Priority, Admin Key, and Port Priority for the Port Actor. You can optionally configure these settings
for the Port Partner. (Be aware that these settings only affect the administrative state of the partner, and will not
take effect until the next time an aggregate link is formed with this device.) After you have completed setting the
port LACP parameters, click
submit
.
To assign ports to the member list, click LACP Membership.
LACP Membership
Select any of the switch ports from the drop-down menu and click
Add
. After you have completed adding ports to
the member list, click
submit
.
Figure 5-23: Switch Config - LACP
Figure 5-24: LACP Membership Screen

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