Spa Interface Addresses On Sips - Cisco CRS-1 - Carrier Routing System Router Hardware Installation Manual

Identifying Slots and Subslots for SIPs and SPAs
Figure 2-5
SPA
SUB-
SLOT
3
SPA
SUB-
SLOT
4
SPA
SUB-
SLOT
5

SPA Interface Addresses on SIPs

SPAs in the Cisco CRS-1 router running Cisco IOS XR Software Release 3.4.1 use an addressing format
that specifies the physical location of the SIP, SPA, and interface. The interface address format is
rack/slot/subslot/port, where:
•
•
Cisco CRS-1 Carrier Routing System SIP and SPA Hardware Installation Guide
2-6
Cisco CRS-1 SIP-800 Subslot Locations
3 0
3 0
SPA SPA
SUB- SUB-
SLOT SLOT
3 0
SPA
SUB-
SLOT
0
4
1
4
1
SPA SPA
SUB- SUB-
SLOT SLOT
4 1
SPA
SUB-
SLOT
1
SPA SPA
SUB- SUB-
SLOT SLOT
5 2
SPA
SUB-
SLOT
2
5 2
5 2
rack—Specifies the rack number, 0 in a single-chassis system.
slot—Specifies the slot number in the Cisco CRS-1 router in which the SIP that contains the SPA is
installed:
– For the 8-slot line card chassis—0 through 7
For the 16-slot line card chassis—0 through 15
–
Chapter 2 Overview: Cisco CRS-1 SPA Interface Processor
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