CHAPTER
13-1
Cisco 12000/10700 v3.1.1 Router Manager User Guide
OL-4455-01
13

Managing VLANs

This c hapt er d escri b es t he V LAN func ti onal ity su ppo rted by t he C is co 12000 /1072 0 R oute r Ma na ger
applica ti on an d guide s y ou thro ugh the proc ess o f cr eat ing an d con figuring VL AN obj ects. V LANs
support logi cal gro uping o f n etwo rk nod es to r e duce br oadc ast traffic and a ll ow more c on trol i n
implementing security policies.
The main advantages of VLANs are efficient traffic separation and excellent bandwidth utilization.
VLANs i mp rove scaling by logica lly segment ing the phy sica l LAN struc tur e in to sub-ne twork s so tha t
the pac kets are switched between p orts within th e same VLA N. This pro ves to be bene fici al for se curity,
broad cast con t ainm en t, an d a cco unti ng.
The Cisco 12000/1072 0 Router Manager faci litates the conf igurati on of VLANs and also man ages these
VLANs t hat are provisio ned f ro m th e EMS. Cisc o 1200 0/ 10720 Ro uter M ana ger al so provi des a
synchronization facility so that the VLAN information is retrieved from the entire network, when the
sync is initiated for the first time.
This chapter provides the following information:
Launch ing th e VLAN Wi ndows
VLAN Synchronization
Deploying VLAN obje cts
VLAN Configuration
VLAN Performance
Reparenting VLANs and VLAN Sub-Interfaces
Deleting VLAN Objects

Launching th e VLAN Windows

Table 13-1 display s e ach ob jec t typ e that ca n be u sed t o open the Cisc o 120 00/10 720 Rout er Ma nage r
windows that allow you to view performance, configuration, and synchronization of the VLAN objects.
Note Table 13-1 li sts th e menu op tio ns fo r l aunc hing the V LAN di alo gs from th e V LAN v iew.
These windows have to be launched from the VLAN objects in the VLAN view. For example, the VLAN
Performa nce window can be laun ched from a Site and Chassis, but cannot be launched fro m a modul e
or an Interface object.