IWAN domain. Minimum configurations for peering.

SAF IWAN peering

 

PfRv3 is an intelligent-path control mechanism for improving application delivery and WAN efficiency. It protects critical applications, increases bandwidth utilization, and servers as an integral part of the Cisco Intelligent WAN (IWAN) solution. PfRv3 uses differentiated services code points (DSCP) and application-based policy framework to provide a multi-site aware bandwidth and path control optimization. And it works over autoconfigured eigrp routing. Every site exist MasterControllerBranch(MCB), which connected to HQ MasterControllerHUB(MCH)/DC(domain controller). Each site has a unique identifier called a site ID whis is retrieved from Loopback interface. If you couldn`t discover any site you should check at first derived-config and check which is loopback interfaces are using for SAF adv:

router eigrp #AUTOCFG# (API-generated auto-configuration, not user configurable)
!
service-family ipv4 autonomous-system 59501
!

sf-interface Loopback0
hello-interval 120
hold-time 600
exit-sf-interface

!

and typical configuration for MCH, MCB, BR:

MCH:

domain iwan
master hub
source-interface Loopback0
site-prefixes prefix-list DC1_Prefix  
load-balance advanced
path-preference INET1 INET2 fallback routing
advanced
channel-unreachable-timer 4
enterprise-prefix prefix-list Enterprise_Prefix
collector 10.0.0.139 port 9991

DC1_Prefix   – prefix of HQ

Enterprise_Prefix – prefix of whole network

BRH:

domain iwan
vrf default
border
source-interface Loopback0
master 10.25.0.254
collector 10.0.0.139 port 9991

MCB/BR:

domain iwan
vrf default
border
source-interface Loopback0
master local
master branch
source-interface Loopback0
site-prefixes prefix-list Site-prefix
hub 10.25.0.254
collector 10.0.0.139 port 9991

Site-prefix – prefix of branch

collector configuration allow to see something like that from Prime Infrastructure:

PfR topology

 

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