CHAPTER
19-1
Cisco 12000/10700 v3.1.1 Router Manager User Guide
OL-4455-01
19
Change Management
This chapter describes how to manage the insertion and removal of line cards (ATM, Ethernet, POS,
DS-3, SRP, Modular Ethernet) in Cisco 12000/10720 Routers being managed by the Cisco 12000/10720
Router Manager application.
This chapter contains the following information:
•Inserti ng a Line C ard
•Mismatched State
•Removing a Line Card
Change m anag emen t also de als with re m oval and insertio n of o ther mod ul es into a Cisc o 12 000/ 1072 0
Router. Removing or inserti ng module s have implicat ions in Cisco 12000/ 10720 Router M anager and
need to be handled effectiv ely. Cisco 12000 Series Routers support the Online Insertion/Removal (OIR)
feature for the following modules:
•GRPs (only fo r dual RPs)
•AC or DC power supply modu les
•Fan tra ys
•Blower modules
Modules inserted i nto a chas sis are discovered within one minu te. When Cisco 12000/10 720 Router
Manager detects the presence of a module, the chassis enters subchassis discovery to determine the type
of module that was inserted . When the new modu le is discovered, it is added to the appropr iate Cisco
12000/10 720 Rout er M ana ger views an d autom a tica lly c omm issione d.
When you remove an existing module from a chassis, Cisco 12000/10720 Router Manager detects this by
heartbeat polling. An informati ve alarm is raised against the chassis object. The chassis rediscov ers itself and
its child objects. The remov ed modu le is then placed in the lost comms state, which causes a major alarm to
be raised against that module. When the module is re-inserted into the chassis, the chassis rediscovers itself
and its child objects due to change in the hardware confi guration. The re-inserted module is placed in the
appropriate state and the previously raised major alarm is cleared.
Note For detailed information on individual states, see “Cisco 12000/107 20 Rou ter Man ag er O bject State s”
section on page 2 -14.