Configuration Guide User guide
xxii FastIron Configuration Guide
53-1002494-02
Routing between VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .765
Virtual routing interfaces (Layer 2 switches only) . . . . . . . . . .765
Routing between VLANs using virtual routing interfaces
(Layer 3 switches only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .765
Dynamic port assignment (Layer 2 switches and
Layer 3 switches) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .766
Assigning a different VLAN ID to the default VLAN . . . . . . . . .766
Assigning different VLAN IDs to reserved VLANs
4091 and 4092 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .767
Assigning trunk group ports . . . . . . . . . . . . . . . . . . . . . . . . . . .768
Enable spanning tree on a VLAN . . . . . . . . . . . . . . . . . . . . . . .768
Configuring IP subnet, IPX network and
protocol-based VLANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .770
IP subnet, IPX network, and protocol-based
VLAN configuration example . . . . . . . . . . . . . . . . . . . . . . . . . . .770
IP subnet, IPX network, and protocol-based
VLANs within port-based VLANs. . . . . . . . . . . . . . . . . . . . . . . . . . . .772
IPv6 protocol VLAN configuration. . . . . . . . . . . . . . . . . . . . . . . . . . .776
Routing between VLANs using virtual routing
interfaces (Layer 3 switches only) . . . . . . . . . . . . . . . . . . . . . . . . . .776
Configuring protocol VLANs with dynamic ports . . . . . . . . . . . . . . .782
Aging of dynamic ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .783
Configuration guidelines for membership
aging of dynamic VLAN ports . . . . . . . . . . . . . . . . . . . . . . . . . .784
Configuring an IP, IPX, or AppleTalk Protocol
VLAN with Dynamic Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . .784
Configuring an IP subnet VLAN with dynamic ports . . . . . . . .785
Configuring an IPX network VLAN with dynamic ports . . . . . .785
Configuring uplink ports within a port-based VLAN . . . . . . . . . . . .787
Configuration considerations for uplink
ports within a port-based VLAN . . . . . . . . . . . . . . . . . . . . . . . .787
Configuration syntax for uplink ports
within a port-based VLAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . .787
IP subnet address on multiple port-based VLAN
configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .788
VLAN groups and virtual routing interface group . . . . . . . . . . . . . .791
Configuring a VLAN group . . . . . . . . . . . . . . . . . . . . . . . . . . . . .791
Configuring a virtual routing interface group . . . . . . . . . . . . . .793
Displaying the VLAN group and virtual routing
interface group information . . . . . . . . . . . . . . . . . . . . . . . . . . .794
Allocating memory for more VLANs or virtual
routing interfaces. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .795
Super-aggregated VLAN configuration. . . . . . . . . . . . . . . . . . . . . . .796
Configuration notes for aggregated VLANs . . . . . . . . . . . . . . .799
Configuring aggregated VLANs . . . . . . . . . . . . . . . . . . . . . . . . .799
Verifying the aggregated VLAN configuration. . . . . . . . . . . . . .801
Complete CLI examples for aggregated VLANs . . . . . . . . . . . .801