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--- wiki:test_multicast_join [2017/07/18 13:36] – walkeradmin
+++ wiki:test_multicast_join [2023/03/09 22:35] (current) – external edit 127.0.0.1
@@ Line 6: / Line 6: @@
 ----
 We can test if our device can join a multicast using a tool called <color #ed1c24>iperf</color>. <color #ed1c24>iperf</color> is not installed by default, so you will have to add it by us9ing:
+\\
+    yum install iperf
+\\
+\\
+If you see the following error when trying to install iperf:
+\\
+<file>
+Loaded plugins: fastestmirror
+base                                                                                  | 3.6 kB  00:00:00
+extras                                                                                | 3.4 kB  00:00:00
+updates                                                                               | 3.4 kB  00:00:00
+(1/4): base/7/x86_64/group_gz                                                         | 156 kB  00:00:00
+(2/4): extras/7/x86_64/primary_db                                                     | 110 kB  00:00:00
+(3/4): updates/7/x86_64/primary_db                                                    | 2.7 MB  00:00:00
+(4/4): base/7/x86_64/primary_db                                                       | 5.7 MB  00:00:01
+Determining fastest mirrors
+ * base: anorien.csc.warwick.ac.uk
+ * extras: mirrors.clouvider.net
+ * updates: mirrors.coreix.net
+No package iperf available.
+Error: Nothing to do
+</file>
+\\
+The last line that states <color #ed1c24>Error: Nothing to do</color> means that CentOS doesn't know where to get iperf from (not in the repositories that CentOS is aware of) then you can run the following.
+\\
+    yum install epel-release
+\\
+This will install the relevant repositories for CentOS to find iperf. Once again you can run:
 \\
     yum install iperf