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Our online forum for Smart Call Home customers to share, learn, and collaborate on Smart Call Home related topics. We encourage you to ask questions of Cisco experts, start a discussion, or share ideas and insight.

Smart Call Home enabled devices perform proactive diagnostics on their own components to provide real-time alerts and remediation advice when an issue is detected. An embedded support feature available on a broad range of Cisco products, it is provided at no additional cost with an active Smart Net Total Care Service, SP Base, Unified Computing Support Service, or Mission Critical Support Service contract for the designated products.

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Call Home Source Interface when doing Email Transport

On ASR/ISR, any call home workarounds known on how to get around not being able to configure a source interface for email transport.  I need to source packets from a specific interface.  Very frustrating that this config option was not migrated into your latest platform/ios XE.

Cisco Employee

On the ISR platforms, there is a source interface command. But on the ASR, there is not.

For email, you can go out the management interface on the ASR and just use the vrf command under call home to select the mgmt interface vrf. It will use the mgmt interface ip address as the source ip address. The coders assumed all important router generated communications would go out this interface in their design.

As far as going out a specific interface, call home should use the outgoing interface ip address as the source ip address in the email packet. The forwarding table will determine the interface. The issue is that the router creates these packets and, by default, uses the outbound interface as the source ip address.

I guess you want to use a loopback interface for the email and there is no known workaround at this time.

BTW, the difference between the 2 routers, ISR and ASR, is that the ISR does not have a management port. Hence, the source interface command is required to specify the interface.

Message was edited by: Lawrence Searcy

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