Table 7: Cisco CSR 1000v Series Architecture Differences with Cisco ASR 1000 Series Routers
Cisco CSR 1000v Series
Cisco ASR 1000 Series
Feature
The Cisco CSR 1000v does not
include a hard disk. The software
image is stored on bootflash only
(8 GB).
Supported.
Hard Disk
Managed by the hypervisor.
Physical resources are shared
among VMs.
Managed by architecture of the
hardware platform.
Physical resources
•
Virtual VGA console
•
Virtual serial port network
option (virtual terminal
server)
•
Named pipe option
•
Physical serial port on the
ESXi or KVM host
Physical serial port.
Console types supported
The Cisco CSR 1000v does not
include ROMMON, but uses
GRUB to provide similar but more
limited functionality.
Supported.
ROMMON
Not supported.
Supported.
Break Signal
Gigabit Ethernet x ports only.
See the
.
Port numbering
Not supported.
Supports In-Service Software
Upgrades (ISSU).
ISSU
Subpackages not supported. The
Cisco CSR 1000v does not support
SPAs.
Supports installation of
subpackages for specific SPAs and
SIP SPAs.
Subpackage upgrades
Not supported.
Supported.
Diagnostic mode
Supported. (Requires reload of the
VM.)
Supported.
Dynamic addition/deletion of ports
Cisco CSR 1000v Series Cloud Services Router Software Configuration Guide
36
Cisco CSR 1000v Series Cloud Services Router Overview
Differences Between Cisco CSR 1000v Series and ASR 1000 Series