Packet loss varies based on scale and features, but is expected to be anywhere from 8s to 180s.
Figure 21: Cisco ASR 9000 nV Edge Scripted Rack-by-Rack Upgrade
Prerequisites for Cisco ASR 9000 nV Edge System Scripted Rack-by-Rack
upgrade
•
Cisco IOS XR Software Release 4.3.1 and later
•
Cisco IOS XR Software Release 4.2.3 nV Edge Umbrella DDTS#1
•
Linux Workstation
•
Console Server
•
Two Cisco ASR 9000 Series Routers in the Cisco ASR 9000 nV Edge System.
This Rack-by-Rack upgrade procedure is based upon two Cisco ASR 9001 Routers, Cisco IOS XR Software
Release 4.3.2 to 5.1.0, and an Ubuntu Linux workstation. The information in this section is created from
devices in a specific lab environment. All of the devices used in this document started with a cleared (default)
configuration. If your network is live, make sure that you understand the potential impact of any command.
Support for Cisco ASR 9001 Router is added in Cisco IOS XR Software Release 4.3.2. The script must
not be used on the Cisco ASR 9001 in earlier releases.
Note
Cisco ASR 9000 Series Aggregation Services Router nV System Configuration Guide, Release 5.3.x
148
Configuring the nV Edge System on the Cisco ASR 9000 Series Router
Prerequisites for Cisco ASR 9000 nV Edge System Scripted Rack-by-Rack upgrade