CHAPTER
9-1
Cisco ONS 15530 Configuration Guide and Command Reference
78-14227-01, Cisco IOS Release 12.1(10)EV2
9
Monitoring Your Network Topology
This chapter describes how to configure and manage your network topology. This chapter inclu de s th e
following sections:
About the OSC, page 9-1
Configuring CDP, page 9-3
Configuring OSCP, page 9-7
Configuring IP on the OSC, page 9-9
Configuring IP on Ethernetdcc Interfaces for the In-Band Me ssag e Cha nn el, page 9-1 2
Configuring SNMP, page 9-15
Monitoring Without the OSC or In-Band Message Channel, page 9-19
Configuring Interfaces in the Network Topology, page 9-21
About Embedded CiscoView, page 9-23
Installing and Configuring Embedded CiscoView, page 9-23

About the OSC

As described in the OSC Modules section on page 1-5, the Cisco ONS 15530 de dica te s a se para te
channel (channel 0) for the OSC (optical supervisory channel), wh ic h is use d f or ne twor k c ontr ol a nd
management information between Cisco ONS 15530 systems on the network. The OSC is carried on the
same fiber as the data channels (channels1 through 32), but it carries no client data traffic.
Figure 9-1 shows the path of the OSC in a protected ring configuration. The OSC signal is gene rated by
a laser on an OSC card and is sent in both directions from the node; both receive signals are monitored
to maintain communication with the neighboring nodes. The OSC signal termina tes at eac h node.