libnetsnmp.so.20

–> Finished Dependency Resolution
Error: Package: zabbix-server-mysql-3.2.11-1.el6.x86_64 (zabbix)
Requires: libnetsnmp.so.20()(64bit)
Error: Package: zabbix-server-mysql-3.2.11-1.el6.x86_64 (zabbix)
Requires: libmysqlclient.so.16()(64bit)
Error: Package: zabbix-server-mysql-3.2.11-1.el6.x86_64 (zabbix)
Requires: libmysqlclient.so.16(libmysqlclient_16)(64bit)
Error: Package: iksemel-1.4-2.el6.x86_64 (zabbix-non-supported)
Requires: libgnutls.so.26()(64bit)
Error: Package: iksemel-1.4-2.el6.x86_64 (zabbix-non-supported)
Requires: libgnutls.so.26(GNUTLS_1_4)(64bit)
You could try using --skip-broken to work around the problem
You could try running: rpm -Va --nofiles --nodigest

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1. 解决措施，修改/etc/yum.repo.d/zabbix.repo里的两处：
   修改：baseurl=http://repo.zabbix.com/zabbix/3.2/rhel/6/$basearch/为：baseurl=http://repo.zabbix.com/zabbix/3.2/rhel/7/$basearch/
   修改：baseurl=http://repo.zabbix.com/non-supported/rhel/6/$basearch/为：baseurl=http://repo.zabbix.com/non-supported/rhel/7/$basearch/

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