[root@pga yum.repos.d]# yum provides iperf
Loaded plugins: product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
No matches found
[root@pga yum.repos.d]# yum search iperf
Loaded plugins: product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
============================================================================================== N/S matched: iperf ===============================================================================================
iperf3.i686 : Measurement tool for TCP/UDP bandwidth performance
iperf3.x86_64 : Measurement tool for TCP/UDP bandwidth performance

  Name and summary matches only, use "search all" for everything.
[root@pga yum.repos.d]# yum provides iperf3
Loaded plugins: product-id, search-disabled-repos, subscription-manager
This system is not registered with an entitlement server. You can use subscription-manager to register.
iperf3-3.1.7-2.el7.i686 : Measurement tool for TCP/UDP bandwidth performance
Repo        : abc

iperf3-3.1.7-2.el7.x86_64 : Measurement tool for TCP/UDP bandwidth performance
Repo        : abc

[root@pga yum.repos.d]#