Configuring An Ipx Network Vlan With Dynamic Ports - Foundry Networks Switch and Router Installation And Configuration Manual

Configuring an IPX Network VLAN with Dynamic Ports

To configure an IPX network VLAN with dynamic ports, use one of the following methods.
USING THE CLI
To configure port-based VLAN 20, then configure an IPX network VLAN within the port-based VLAN with dynamic
ports, enter commands such as the following:
BigIron(config)# vlan 20 by port name IPX_VLAN
BigIron(config-vlan-10)# untag ethernet 2/1 to 2/6
added untagged port ethe 2/1 to 2/6 to port-vlan 20.
BigIron(config-vlan-10)# ipx-network abcd ethernet_ii name Eng-LAN
BigIron(config-vlan-10)# dynamic
BigIron(config)# write memory
These commands create a port-based VLAN on BigIron chassis ports 2/1 – 2/6 named "Eng-LAN", configure an
IPX network VLAN within the port-based VLAN, and then add ports from the port-based VLAN dynamically.
Syntax: vlan <vlan-id> by port [name <string>]
Syntax: untagged ethernet <portnum> to <portnum>
Or
Syntax: untagged ethernet <portnum> ethernet <portnum>
NOTE: Use the first untagged command for adding a range of ports. Use the second command for adding
separate ports (not in a range).
Syntax: ipx-network <network-addr> ethernet_ii | ethernet_802.2 | ethernet_802.3 | ethernet_snap
[name <string>]
Syntax: dynamic
Configuring Uplink Ports Within a Port-Based VLAN
You can configure a subset of the ports in a port-based VLAN as uplink ports. When you configure uplink ports in
a port-based VLAN, the device sends all broadcast and unknown-unicast traffic from a port in the VLAN to the
uplink ports, but not to other ports within the VLAN. Thus, the uplink ports provide tighter broadcast control within
the VLAN.
For example, if two ports within a port-based VLAN are Gigabit ports attached to the network and the other ports
in the VLAN are 10/100 ports attached to clients, you can configure the two ports attached to the network as uplink
ports. In this configuration, broadcast and unknown-unicast traffic in the VLAN does not go to all ports in the
VLAN. The traffic goes only to the uplink ports. The clients on the network do not receive broadcast and
unknown-unicast traffic from other ports, including other clients.
To configure uplink ports in a port-based VLAN, use the following CLI method.
USING THE CLI
To configure a port-based VLAN containing uplink ports, enter commands such as the following:
BigIron(config)# vlan 10 by port
BigIron(config-vlan-10)# untag ethernet 1/1 to 1/24
BigIron(config-vlan-10)# untag ethernet 2/1 to 2/2
BigIron(config-vlan-10)# uplink-switch ethernet 2/1 to 2/2
Syntax: [no] uplink-switch ethernet <portnum> [to <portnum> | ethernet <portnum>]
In this example, 24 ports on a 10/100 module and two Gigabit ports on a Gigabit module are added to port-based
VLAN 10. The two Gigabit ports are then configured as uplink ports.
USING THE WEB MANAGEMENT INTERFACE
You cannot configure uplink ports in a port-based VLAN using the Web management interface.
December 2000
Configuring Virtual LANs (VLANs)
25 - 39