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Cisco CSR 1000V Series Cloud Services Router Software Configuration Guide
OL-27477-07
Chapter 1 Cisco CSR 1000V Series Cloud Services Router Overview
Cisco CSR 1000V Series Software License Overview
• When a Cisco CSR 1000V interface is directly connected to a physical router, and that physical
router’s connecting interface goes down, the change is not reflected on the Cisco CSR 1000V. This
is because the Cisco CSR 1000V is actually connected to the hypervisor’s vSwitch and the vSwitch
uplink port is connected to the physical interface of the router. This behavior is expected.
• The Cisco CSR 1000V provides an MTU range from 1500 to 9216 bytes. However, ESXi 5.0
supports only a maximum value of 9000 bytes.
Server Requirements
The server and processor requirements are different depending on the Cisco CSR 1000V release.
For more information, see the Cisco CSR 1000V Series Cloud Services Router Release Notes.
Note In Cisco IOS XE Release 3.9S and earlier, the Cisco CSR 1000V uses instructions not supported on Intel
pre-Nehalem generation processors. The existence of the required Nehalem or later processor instruction
set is determined at boot time. If the required instructions are not present, the following message is
displayed:
%IOSXEBOOT-4-BOOT_HALT: (rp/0): Halted boot due to missing CPU feature
requirement(s)
For more information, see the “Installation Overview” section on page 3-1.
Cisco CSR 1000V Series Software License Overview
The Cisco CSR 1000V Series software supports the standard Cisco software licensing process in
Cisco IOS XE. The software activation process is similar to other Cisco router products, but there are
some differences and additional requirements.
The Cisco CSR 1000V supports the following license types depending on the software release:
• Perpetual and subscription term licenses for 1, 3, and 5 years based on the following attributes:
–
Cisco IOS XE technology packages (Standard, Advanced and Premium)
–
Maximum supported throughput level (10, 25, 50, 100, 250, or 500 Mbps, and 1, 2.5 or 5 Gbps )
Table 1-3 Server Requirements
Cisco CSR 1000V Release Intel AMD
Cisco IOS XE Release
3.9S
Intel Nehalem and
later-generation
processors are
supported.
Not supported
Cisco IOS XE Releases
3.10S, 3.11S, 3.12S
Intel processors prior
to the Nehalem
generation are
supported.
Supported