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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
Virtual Machine Requirements
Note A serial port can be used to manage a Cisco CSR 1000V VM only if the underlying hypervisor
supports associating a serial port with a VM. For example, the Citrix XenServer environment
does not support serial port association. See your hypervisor documentation for details.
• Use remote SSH/Telnet to access the Cisco IOS XE CLI commands.
The Cisco CSR 1000V also supports management and configuration using the following products:
• Cisco CSR 1000V REST API
• Cisco Prime Network Services Controller
For more information, see the “Management Support” section on page 1-20.
Router Interfaces
The Cisco CSR 1000V router interfaces perform the same functionality as those on hardware-based
Cisco routers. The Cisco CSR 1000V interfaces function as follows:
• Interfaces are logically named as the Gigabit Ethernet (GE) interfaces.
• The available interface numbering depends on the Cisco CSR 1000V version.
(Cisco IOS XE Release 3.11S and later) The interface numbering is as follows:
–
Interface port numbering is from 1 and up to the number of interfaces supported.
–
GigabitEthernet interface 0 is no longer supported beginning with this release.
–
You can designate any interface as the management interface. You can change the management
interface when deploying the OVA template on first-time installation.
(Cisco IOS XE Release 3.10S and earlier) The interface numbering is as follows:
–
Interface port numbering is from 0 and up to the number of interfaces supported.
–
Gigabit Ethernet interface 0 is reserved for the management interface used for obtaining the
licenses and upgrading software.
• At first boot, the Cisco CSR 1000V router interfaces are mapped to the vNIC interfaces on the VM
based on the vNIC enumeration to the Cisco CSR 1000V; on subsequent boot, the Cisco CSR 1000V
router interfaces are mapped to the vNIC MAC address
Caution If upgrading to Cisco IOS XE Release 3.11S from an earlier release, Cisco recommends you update your
configuration to remove the GigabitEthernet 0 management interface before upgrading. Because the
GigabitEthernet 0 interface is no longer supported beginning with Cisco IOS XE Release 3.11S, you will
receive system errors if the upgraded configuration includes this interface.
For more information, see the “Mapping Cisco CSR 1000V Network Interfaces to VM Network
Interfaces” section on page 10-1.
Virtual Machine Requirements
The Cisco CSR 1000V runs only on a virtual machine. This section describes the virtual machine
requirements for the router.