<sep> </sep>
<groupchoice >
<kwd >once</kwd>
<groupcomp >
<kwd >every</kwd>
<sep> </sep>
<kwd >number</kwd>
<sep> </sep>
<groupchoice >
<kwd >milliseconds</kwd>
<kwd >seconds</kwd>
<kwd >minutes</kwd>
<kwd >hours</kwd>
</groupchoice>
</groupcomp>
</groupchoice>
</groupcomp>
<groupcomp >
<kwd >burst</kwd>
<sep> </sep>
<groupchoice >
<kwd >once</kwd>
<groupcomp >
<kwd >every</kwd>
<sep> </sep>
<kwd >number</kwd>
<sep> </sep>
<groupchoice >
<kwd >seconds</kwd>
<kwd >minutes</kwd>
<kwd >hours</kwd>
</groupchoice>
</groupcomp>
</groupchoice>
</groupcomp>
</groupchoice>
Cisco ASR 9000 Series Aggregation Services Router Interface and Hardware Component Command Reference,
Release 5.3.x
218
Ethernet OAM Commands on the Cisco ASR 9000 Series Router
ethernet sla on-demand operation type cfm-delay-measurement probe