H3C CR16000-F Manuals

H3C CR16000-F Routers Comware 7 VXLAN Command Reference New H3C Technologies Co., Ltd. http://www.h3c.com Software version: CR16000-CMW710-R7951P01 or later Document version: 6W100-20191122

H3C CR16000-F Routers Comware 7 OAA Configuration Guide New H3C Technologies Co., Ltd. http://www.h3c.com Software version: CR16000-CMW710-R7951P01 or later Document version: 6W100-20191122

H3C CR16000-F Routers Comware 7 OAA Configuration Guide New H3C Technologies Co., Ltd. http://www.h3c.com.hk Software version: CR16000-CMW710-R7655P05 or later Document version: 6W100-20170825

i Contents Configuring network synchronization ···················································· 1 About network synchronization ····································································································· 1 Clock sources ····················································································································· 1 Clock source levels ·············································································································· 1 Clock reference selection ······································································································ 2 Clock mode on a port ··········································································································· 2 Network synchronization tasks at a glance ······················································································ 3 Configuring clock reference selection ····························································································· 3 Configuring BITS clocks ·············································································································· 4 Setting an Sa bit for the SSM of BITS clocks ············································································· 4 Setting the frequency of a BITS clock ····························································································· 4 Specifying a line clock input port ··································································································· 4 Configuring automatic reference selection parameters ······································································· 5 Configuring the method for setting the SSM quality level of a clock source······································· 5 Specifying an SSM quality level for a clock source ······································································ 6 Controlling the use of SSM in automatic reference selection ························································· 6 Setting a priority for a clock source ·························································································· 6 Display and maintenance commands for network clock monitoring module ············································ 7 Network synchronization configuration examples ·············································································· 8 Example: Configuring network synchronization ·········································································· 8 Configuring synchronous Ethernet ······················································· 9 About synchronous Ethernet ········································································································ 9 Quality levels of clocks ········································································································· 9 Clock reference selection ······································································································ 9 System clock QL distribution and SyncE port input QL updating ···················································· 9 Protocols and standards ····································································································· 10 Restrictions and guidelines: synchronous Ethernet configuration ························································ 10 Configuring SyncE on an Ethernet interface ··················································································· 10 Display and maintenance commands for SyncE ············································································· 11 Synchronous Ethernet configuration examples ··············································································· 11 Example: Configuring synchronous Ethernet ··········································································· 11