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Implementing SAF on CUCM Clusters

Ahmed habib
Level 3
Level 3

Hello,

I want to implement SAF on cucm clusters but I don't under the scenario and how will configuration be done and how did I check after configuration

Shall I configure every cucm cluster PUB as SAF Forwarder?

I revised SRND and SAF configuration document but it isn't clear to me https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/saf/configuration/xe-3s/saf-xe-3s-book/saf-configuring.html

Please, I want a clear document or video for this feature scenario and configuration

Note: I made the configuration in the guide but when I check I found

#show eigrp service-family ipv4 subscriptions
EIGRP-SFv4 VR(saf) Subscriptions for AS(1)/ID(192.168.178.125)
No active subscriptionsW

#show eigrp service-family ipv4 clients
EIGRP-SFv4 VR(saf) Clients for AS(1)/ID(192.168.178.125)
No Clients attached to this Forwarder

 

 

9 Replies 9

Jonathan Schulenberg
Hall of Fame
Hall of Fame
SAF has been superceeded by Inter-Cluster Lookup Service (ILS). Do not use SAF in production unless you have a corner-case that somehow precludes the use of ILS.

1) Below Will be useful for ILS
https://www.youtube.com/watch?v=CnSuho44_dw

https://info.stack8.com/blog/new-practices-for-cucm-dial-plans

*** Please rate helpful post; Mark "Accept as a Solution" if applicable

Thanks,
Haris

Thanks both for your interest but I don't want URI dialing

I just want to use SAF and CCD and I applied the configuration but when I try show commands 

show eigrp service-family ipv4 clients
EIGRP-SFv4 VR(saf) Clients for AS(1)/ID(192.168.178.125)
No Clients attached to this Forwarder

 

GW#show eigrp service-family ipv4 subscriptions
EIGRP-SFv4 VR(saf) Subscriptions for AS(1)/ID(192.168.178.125)
No active subscriptions

 

GW#show eigrp service-family external-client Habib
Detail data for client -- Habib
Username: admin Version: 1.2
Client Context: AS (1): AFI: IPv4 Topology: Base
Router Name: saf
Config Using as Client Basename

 

I made the configuration on two cucm test clusters but no one is active

Can anyone help me ?

 

 

router eigrp saf
!
service-family ipv4 autonomous-system 1
!
topology base
external-client Habib
external-client Habib1
exit-sf-topology
exit-service-family

 

service-family external-client listen ipv4 5050
external-client Habib basename
username admin
password ..............
keepalive 200000
!
external-client Habib1
username admin
password ............
keepalive 200000

@HARIS_HUSSAIN  @Jonathan Schulenberg 

 

I got finally the two clients registered

Is there a method to show the patterns learned on cucm or must show on RTMT ?

and Is should add manually every pattern I need to advertise ?

and Calls are done from one side only , if dialed from the other it gets fast busy tone although the learned pattern shown and all is reachable

Hi, for various reasons I need to implement saf. You said you had issues then get it working- what issues and how did you get them resolved

 

Thanks

Why do you need SAF? It’s much better and easier to use ILS with GDPR. What is it that you want to achieve?



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I've got Ils working now but reading different posts I have some questions

People have stated the directory numbers are not advertised and you need to make use of alternative enterprise number, alternative e164 which work however if I do not select them and advertise only the real directory numbers only then ils works as well. I was told, read that Directory numbers are not advertised only the alternative enterprise ones are but it works - why?

 

  • Thanks 

Sorry, but I don't quite understand what you wrote. Would you please re-phrase it and provide a little more specific details? If you can provide pictures to show what it is that you refer to in CM that would be great.

With GDPR/ILS you should generally not advertise individual numbers, what is done on the DN level. Instead you should advertise patterns from the Call Routing > Global Dial Plan Replication > Advertised Pattern menu as that provides a much leaner/easier way to maintain what each leaf cluster advertises.



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Besides this your question about ILS/GDPR is off topic to the OPs question. With that it is recommended that you create a new post to continue the ILS/GDPR line of question so that we can help you out.



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