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Chapter 18      Managing Carrier Ethernet Configurations
  Viewing EVC Service Properties
Figure 18-18 EVC Port Properties in Physical Inventory 
Table 18-29 describes the information displayed for these properties.
Table 18-29 EVC Port Properties in Physical Inventory
Field Description
Storm Control and Monitoring Properties Area
Storm Control Status of storm control on the port: Enabled or Disabled.
Port Monitoring Status Status of port monitoring: 
Enabled—The switch sends keepalive messages on user network 
interfaces (UNIs) and enhanced network interfaces (ENIs) and does 
not send keep alive messages on network node interfaces (NNIs). 
Disabled—The switch does not send keepalive messages.
Port Monitoring Interval Keepalive interval in seconds. The default value is ten seconds.
Storm Control Level Representing a percentage of the total available bandwidth of the port, 
the threshold at which additional traffic of the specified type is 
suppressed until the incoming traffic falls below the threshold. 
Storm Control Type Type of storm the port is configured for protection from: Broadcast, 
Multicast, or Unicast. 
Security Properties Areas
Port Security Status of security on the port: Enabled or Disabled. 
MAC Address Limit Maximum number of MAC addresses allowed on the interface.  
						

							  
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  Viewing the Virtual Connections for a Port
Viewing the Virtual Connections for a Port
In Prime Network, you can view the related virtual connections for an ethernet port or LAG port. In other 
words, you can view a list of Ethernet Virtual Connections (EVCs) to which the selected port is linked 
to. The virtual connections can be of type L2 (if the virtual connection is a L2 service) or L3 (if the 
virtual connection is an L3 service or combination of L2 and L3 service).
To view the related virtual connections for an ethernet port:
Step 1Right-click on the required device and choose the Inventory option.
Step 2In the Inventory window, choose Physical Inventory>Chassis>slot> port.
Step 3Right-click on the selected port and choose Get Virtual Connections. The Virtual Connections 
window is displayed as shown in Figure 18-19. Aging  Type Type of aging used for automatically learned addresses on a secure port: 
Absolute—Times out the MAC address after the specified age-time 
has been exceeded, regardless of the traffic pattern. This is the 
default for any secured port, and the age-time value is set to 0.
Inactivity—Times out the MAC address only after the specified 
age-time of inactivity from the corresponding host has been 
exceeded. 
Aging Time Length of time, in minutes, that a MAC address can remain on the port 
security table. 
Violation Mode Action that occurs when a new device connects to a port or when a new 
device connects to a port after the maximum number of devices are 
connected: 
Protect—Drops packets with unknown source addresses until a 
sufficient number of secure MAC addresses are removed to drop 
below the maximum value
Restrict—Drops packets with unknown source addresses until a 
sufficient number of secure MAC addresses are removed to drop 
below the maximum value and causes the Security Violation counter 
to increment.
Shutdown—Puts the interface into the error-disabled state 
immediately and sends an SNMP trap notification. 
Table 18-29 EVC Port Properties in Physical Inventory (continued)
Field Description 
						

							  
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  Viewing the Virtual Connections for a Port
Figure 18-19 Virtual Connections
NoteIf no related virtual connections are available for a port, then a message indicating that there are no 
virtual connections for the port is displayed.
Step 4In the Virtual Connections window, select the relevant connections and click OK. A temporary map that 
contains the selected connections is created and displayed in the Prime Network Vision window.
You can also view the virtual connections for an ethernet link aggregation. 
To view the related virtual connections for an ethernet link aggregation:
Step 1Right-click on the required device and choose the Inventory option.
Step 2In the Inventory window, choose Logical Inventory>Ethernet Link Aggregation. The link 
aggregation details are displayed in the content pane.
Step 3In the Data Link Aggregations section, Right-click the ID and select Get Virtual Connections. The 
Virtual Connections window is displayed. 
Step 4Select the relevant connections and click OK to create a temporary map for the connections. 
						

							  
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Chapter 18      Managing Carrier Ethernet Configurations
  Viewing and Renaming Ethernet Flow Domains
Viewing and Renaming Ethernet Flow Domains
An Ethernet flow domain represents an Ethernet access domain. The Ethernet flow domain holds all 
network elements between the CE (inclusive, if managed by the SP), up to the SP core (exclusive). This 
includes CE, access, aggregation, and distribution network elements. 
An Ethernet flow domain can have no N-PEs (flat VLAN) or one or more N-PEs (N-PE redundancy 
configuration). The Ethernet flow domain is defined using physical connectivity at the port level, and 
not at the network element level. STP is used to mark the root bridge, root or blocked ports, and blocked 
VLAN links.
To view Ethernet flow domains: 
Step 1In the Vision client, choose Network Inventory > Ethernet Flow Domains.
The Ethernet Flow Domain List window is displayed with the domain name, the system-defined domain 
name, and a brief description for each Ethernet flow domain as shown in Figure 18-20. 
Figure 18-20 Ethernet Flow Domain List Properties Window
Step 2
To rename an Ethernet flow domain:
a.Right-click the required domain, then choose Rename. 
b.In the Rename Node dialog box, enter a new name for the domain.
c.Click OK. 
The window is refreshed, and the new name is displayed.
Step 3To view Ethernet flow domain properties, do either of the following: 
						

							  
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Right-click the required domain, then choose Properties. 
Double-click the required domain.
The Ethernet Flow Domain Properties window is displayed as shown in Figure 18-21.
Figure 18-21 Ethernet Flow Domain Properties Window
Table 18-30 describes the information displayed in the Ethernet Flow Domain Properties window. 
NoteNot all fields are available in all tables. The table contents depend on the domain type, such as 
FastEthernet.
Table 18-30 Ethernet Flow Domain Properties Window
Field Description
Domain Name Name of the selected domain.
System Defined Name Domain name as identified by the most dominant device and its lowest 
port name lexicographically. 
Elements Table
ID Interface identifier, hyperlinked to the interface in physical inventory.
Type Aggregation group type: Ethernet Channel (EtherChannel), or IEEE 
802.3 AD LAG (IEEE 802.3 link aggregation group).
Discovery Protocols Discovery protocols used on the interface. 
Is ELMI Enabled Whether or not Ethernet LMI is enabled on the interface: True or False. 
						

							  
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  Working with VLANs
Step 4To navigate to the individual interface or link aggregation group, click an interface identifier or group.
The interface or link aggregation group properties are displayed in the inventory window.
Working with VLANs
The following topics provide information and procedures for working with VLANs. The Vision GUI 
client supports a VLAN overlay which, when applied, highlights the network elements and links that a 
VLAN (and its associated VLANs) traverse. The overlay displays STP and REP link and port 
information. Using overlays is described in Displaying VLANs By Applying VLAN Overlays to a Map, 
page 18-77.
Understanding VLAN and EFD Discovery, page 18-62
Understanding VLAN Elements, page 18-63
Switching Entities Containing Termination Points, page 18-67
Adding and Removing VLANs from a Map, page 18-67
Viewing VLAN Mappings, page 18-70
Working with Associated VLANs, page 18-71
Viewing VLAN Links Between VLAN Elements and Devices, page 18-75
Displaying VLANs By Applying VLAN Overlays to a Map, page 18-77
Viewing VLAN Service Link Properties, page 18-80
Viewing REP Information in VLAN Domain Views and VLAN Overlays, page 18-80
Viewing REP Properties for VLAN Service Links, page 18-81
Viewing STP Information in VLAN Domain Views and VLAN Overlays, page 18-83
Viewing STP Properties for VLAN Service Links, page 18-84
Viewing VLAN Trunk Group Properties, page 18-85
Viewing VLAN Bridge Properties, page 18-87
Using Commands to Work With VLANs, page 18-89
Understanding VLAN and EFD Discovery
When you start the Prime Network gateway the first time, the Prime Network waits for two topology 
cycles to complete before discovering new VLANs, VLAN associations, and EFDs. The default 
configured time for two topology cycles to complete is one hour, but might be configured for longer 
periods of time on large setups. This delay allows the system to stabilize, and provides the time needed 
to model devices and discover links. 
During this delay, Prime Network does not add VNEs or apply updates to existing VLANs or EFDs. 
After the initial delay has passed, Prime Network discovers new VLANs, VLAN associations, and EFDs, 
applies updates to existing VLANs, VLAN associations, and EFDs, and updates the database 
accordingly. 
When you restart the gateway, Prime Network uses the persisted topology information instead of waiting 
two topology cycles, thus improving the discovery time for new VLANs, VLAN associations, and EFDs.  
						

							  
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  Working with VLANs
Understanding VLAN Elements
The following concepts are important to understand when working with the representation of edge EFPs 
inside VLANs: 
VLAN Elements in the Vision Client, page 18-63
VLANs, page 18-63
Switching Entities, page 18-63
Ethernet Flow Points, page 18-63
VLAN Elements in the Vision Client
Table 18-31 describes the icons that the Vision client uses to represent VLAN elements. 
VLANs
Prime Network discovers and allows you to display maps with a network-level view of VLANs. 
In Prime Network, a VLAN entity consists of one or more switching entities and the corresponding EFP 
elements. 
A network VLAN represents the virtual LAN. The network VLAN holds its contained switching entities 
and can be associated to a customer. The network VLAN also holds the Ethernet flow points that are part 
of the network VLAN but not part of any switching entity. For example, a port that tags ingress flows 
after which the flow moves to a different VLAN.
Switching Entities
A switching entity represents a device-level Layer 2 forwarding entity (such as a VLAN or bridge 
domain) that participates in a network VLAN. A switching entity is associated to a network VLAN 
according to its relationship to the same Ethernet Flow Domain (EFD) and the VLAN identifier.
If you right-click a switching entity in the Vision client and then choose Inventory, the inventory 
window is displayed with the corresponding bridge selected in Logical Inventory. 
A switching entity typically contains EFP elements. 
Table 18-31 VLAN Elements and Icons in the Vision Window
Element Associated Network Element Icon
Network VLAN None
Switching entity Bridge
Ethernet Flow Point (EFP) Ethernet port 
						

							  
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Ethernet Flow Points
An Ethernet flow point (EFP) can represent a port that is configured for participation in a specific 
VLAN. 
If you right-click an EFP in the Vision client and then choose Inventory, the inventory window is 
displayed with the corresponding port selected in Physical Inventory. 
EFPs that are located in a switching entity represent Ethernet ports that are configured as switch ports 
(in either Access, Trunk, or Dot1Q tunnel mode). 
Figure 18-22 shows an example of EFPs configured as switch ports in the Vision client.
Figure 18-22 EFPs Configured as Switch Ports
EFPs that are located directly inside a VLAN represent one of the following: 
Termination point EFPs—Ethernet ports that are at the edge of a Layer 2 domain flow, such as a 
VLAN, on which traffic enters a Layer 3 domain or a different Layer 2 domain, such as EoMPLS 
(for example, in Cisco 7600 series, Cisco GSR, and Cisco ASR 9000 series devices).
These EFPs are typically connected to a switching entity inside the VLAN by a VLAN link, as 
shown in Figure 18-23. 
						

							  
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  Working with VLANs
Figure 18-23 Termination Point EFP Inside a VLAN

Edge EFPs—A subset of EFPs that exist inside a switching entity but that are not connected to other 
EFPs and that represent edge EFPs in the context of the VLAN. 
In the Vision client, edge EFPs are displayed directly under the VLAN at the same level as their 
switching entities and are connected to their corresponding switching entities by a dotted link, as shown 
in Figure 18-24.  
						

							  
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  Working with VLANs
Figure 18-24 Edge EFP Inside a VLAN
An edge EFP can be displayed both inside and outside of its switching entity, as shown (highlighted with 
a red outline) in Figure 18-25: