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PA-POS-1OC3 Single-Port Port Adapter Installation and Configuration Guide
OL-6514-04
Chapter 1 PA-POS-1OC3 Overview
Identifying Interface Addresses
Identifying Interface Addresses
This section describes how to identify interface addresses for the PA-POS-1OC3 in supported platforms.
Interface addresses specify the actual physical location of each interface on a router or switch.
Interfaces on a port adapter installed in a router maintain the same address regardless of whether other
port adapters are installed or removed. However, when you move a port adapter to a different slot, the
first number in the interface address changes to reflect the new port adapter slot number.
Interfaces on a port adapter installed in a VIP or FlexWAN module maintain the same address regardless
of whether other interface processors or modules are installed or removed. However, when you move a
VIP or FlexWAN module to a different slot, the interface processor or module slot number changes to
reflect the new interface processor or module slot.
Note Interface ports are numbered from left to right starting with 0.
The following subsections describe the interface address formats for the supported platforms:
• Cisco 7200 VXR Routers Interface Addresses, page 1-21
• Cisco 7201 Router Interface Addresses, page 1-21
• Cisco 7301 Router Interface Addresses, page 1-21
• Cisco 7304 PCI Port Adapter Carrier Card Interface Addresses, page 1-22
• Cisco 7401ASR Router Interface Addresses, page 1-22
• Cisco 7500 Series Routers VIP Interface Addresses, page 1-22
• Cisco 7600 Series Routers FlexWAN Module Interface Addresses, page 1-23
Table 1-3 summarizes the interface address formats for the supported platforms.
Table 1-3 Interface Addresses
Platform Interface Address Format Numbers Syntax
Cisco 7200 VXR routers
(7204VXR, 7206VXR)
Port-adapter-slot-number/interface-port-number Port adapter slot—1 through 6
(depends on the number of slots
in the router)
1
Interface port—0
1/0
Cisco 7201 router Port-adapter-slot-number/interface-port number Port adapter slot—always 1
Interface port—0
1/0
Cisco 7301 router Port-adapter-slot-number/interface-port number Port adapter slot—always 1
Interface port—0
1/0
Cisco 7304 PCI port adapter
carrier card in Cisco 7304
router
Module-slot-number/interface-port-number Module slot—2 through 5
Interface port—0
3/0
Cisco 7401ASR router Port-adapter-slot-number/interface-port number Port adapter slot—always 1
Interface port—0
1/0