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Cisco Bug: CSCvv22466 - vEdge cannot resolve vBond. No packets going out of loopback interface.

Last Modified

Oct 23, 2020

Products (1)

  • Cisco SD-WAN

Known Affected Releases

19.2.3 20.3.1

Description (partial)

vEdge doesn't form control connections; doesn't able to resolve vBond URL with the following error message:
vdebug.1:local7.debug: Aug  1 08:20:48 HH-NH10-RTW901 VDAEMON[3395]: vip_dns_callback[672]Failed dns lookup Timeout while contacting DNS servers

While nslookup command works well and ping to any URL uses properly resolved IP.
The issue is only with control connections

The same config\setup under 19.2.097 and 19.2.1 - no issue

When the device meets following conditions.
- vBond configured with FQDN and DNS configured under VPN0
- all of the SD-WAN interfaces are loopback
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