Cisco Bug: CSCtd18750 - unset domain name from CLI
Feb 22, 2014
- Cisco Unified Communications Manager (CallManager)
Known Affected Releases
Symptom: From CLI of CUCM we allow setting a domain name when DNS is not configured, however there is not CLI command to unset the domain name. Conditions: it's possible to set a domainname without providing DNS servers. (7.0.2) The file /etc/nsswitch.conf secton "hosts: " is changed from "hosts: files" to "hosts: files dns" which makes Informix and hence also DBL Monitor fail. This leads to different services not starting anymore. cat /etc/nsswitch.conf | grep hosts: #hosts: db files ldap nis dns hosts: files dns [root@budapest ~]# And there is no way to: 1. Check the content of /etc/nsswitch.conf via admin CLI 2. Seems to be no way to unset the domainname since we have no DNS server set => We've just put our system into an unusable state we can't fix without going into root (unless we configure a DNS server and delete it).
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