Cisco Cisco Packet Data Gateway (PDG) Guia De Resolução De Problemas
Maintenance
Configuring an Online Upgrade ▀
Cisco ASR 5000 Series Packet Data Interworking Function Administration Guide ▄
OL-22963-01
The SRP virtual MAC address is applied to the port when the chassis is in SRP Active state. The default is
.
The loopback address should be 0.0.0.0/32
Upgrading the Primary Chassis
You can now upgrade the Primary chassis.
Step 1
Force an SRP switchover using the
command so that PDIF (B) becomes the active
chassis. Once the switchover is complete, PDIF (B) is able to dispose of all the calls that used to be on Primary (P). The
primary PDIF, PDIF (P), can now be upgraded through an offline upgrade without affecting the network.
primary PDIF, PDIF (P), can now be upgraded through an offline upgrade without affecting the network.
At this stage PDIF (P) is in SRP STANDBY state. The loopback interface
is disabled and the MAC address of
the loopback interface is the same as the original MAC address of the physical port <
> The SRP
virtual MAC address is used by PDIF (B) while in SRP ACTIVE state.
Step 2
Reboot PDIF (P). Once the PDIF (P) has come back on line, and the chassis are synchronized, force an SRP switchover
so that PDIF (P) is the active chassis.
so that PDIF (P) is the active chassis.
Step 3
Once the switchover is complete, add PDIF (P) back to the DNS active list so it can send new sessions to PDIF (P).
Completing the Upgrade
At this point, the SRP configuration for online upgrade can be removed from the primary PDIF, and the backup PDIF
can be physically removed. The upgrade is complete and the standby chassis can be reconfigured to upgrade another
PDIF.
can be physically removed. The upgrade is complete and the standby chassis can be reconfigured to upgrade another
PDIF.
I
MPORTANT
:
Note that during the upgrade, the configuration to the neighboring routers/switches did not change
because the ASR 5000s are sharing a virtual IP address.