NB2800
User Manual for NRSW version 4.5.0.100
VLAN Management
NetModule routers support Virtual LAN according to IEEE 802.1Q which can be used to create virtual
interfaces on top of an Ethernet interface. The VLAN protocol inserts an additional header to Ethernet
frames carrying a VLAN Identifier (VLAN ID) which is used for distributing the packets to the associated
virtual interface. Any untagged packets, as well as packets with an unassigned ID, will be distributed
to the native interface.
NetModule Router Simulator
Hostname NB1600
Software Version 4.4.0.103
© 2004-2020, NetModule AG
WAN
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VLAN Management
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VLAN Management
VLAN
Interface
ID Network Interface Priority Mode
LAN1-1 1 LAN1 default routed
LAN1-2 5 LAN1 background routed
HOME INTERFACES ROUTING FIREWALL VPN SERVICES SYSTEM
LOGOUT
Figure 5.8.: VLAN Management
In order to form a distinctive subnet, the network interface of a remote LAN host must be configured
with the same VLAN ID as defined on the router. Further, 802.1P introduces a priority field which
influences packet scheduling in the TCP/IP stack.
The following priority levels (from lowest to highest) exist:
Parameter VLAN Priority Levels
0 Background
1 Best Effort
2 Excellent Effort
3 Critical Applications
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