67Configuration restrictions and guidelines• You can assign a subring to only one RRPP ring group. Make sure the RRPP ring group configuredon the edge node and the RRPP ring group configured on the assistant-edge node contain the samesubrings. Otherwise, the RRPP ring group cannot operate properly.• Make sure the subrings in an RRPP ring group share the same edge node and assistant-edge nodeand that the edge node and the assistant edge node have the same SRPTs.• Make sure a device plays the same role on the subrings in an RRPP ring group. The role can be theedge node or the assistant-edge node.• Make sure the RRPP ring group on the edge node and the RRPP ring group on the assistant-edgenode have the same configurations and activation status.• Make sure that all subrings in an RRPP ring group have the same SRPTs. If the SRPTs of thesesubrings are configured or modified differently, the RRPP ring group cannot operate properly.Configuration procedureTo configure an RRPP ring group:Step Command1. Enter system view. system-view2. Create an RRPP ring group and enter RRPP ringgroup view. rrpp ring-group ring-group-id3. Assign the specified subrings to the RRPP ringgroup. domain domain-id ring ring-id-listDisplaying and maintaining RRPPTask Command RemarksDisplay brief RRPP information.display rrpp brief [ | { begin |exclude | include }regular-expression ]Available in any viewDisplay RRPP group configurationinformation.display rrpp ring-group[ ring-group-id ] [ | { begin |exclude | include }regular-expression ]Available in any viewDisplay detailed RRPP information.display rrpp verbose domaindomain-id [ ring ring-id ] [ | { begin| exclude | include }regular-expression ]Available in any viewDisplay RRPP statistics.display rrpp statistics domaindomain-id [ ring ring-id ] [ | { begin| exclude | include }regular-expression ]Available in any viewClear RRPP statistics. reset rrpp statistics domaindomain-id [ ring ring-id ] Available in user view
