Changes between Version 6 and Version 7 of GENIExperimenter/Tutorials/GettingStarted_PartI/Procedure/Execute
- Timestamp:
- 01/10/14 18:33:26 (10 years ago)
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GENIExperimenter/Tutorials/GettingStarted_PartI/Procedure/Execute
v6 v7 93 93 </table> 94 94 }}} 95 c. From the client, ping the server. From the terminal window that is logged in to the client type :95 c. From the client, `ping` the server '''data plane interface'''. From the terminal window that is logged in to the client type : 96 96 {{{ 97 97 ping <server data IP addr> -c 5 … … 111 111 64 bytes from 10.17.1.2: icmp_req=4 ttl=64 time=91.1 ms 112 112 64 bytes from 10.17.1.2: icmp_req=5 ttl=64 time=91.2 ms 113 114 113 --- 10.17.1.2 ping statistics --- 115 114 5 packets transmitted, 5 received, 0% packet loss, time 4004ms … … 117 116 }}} 118 117 119 120 === 5.2 (optional) Send non-IP traffic === 118 d. Now run `traceroute` to the server data IP address: 119 {{{ 120 traceroute <server data IP addr> 121 }}} 122 123 e. From the client, now `ping` the server '''control plane interface''' and run `traceroute`. From the terminal window that is logged in to the client type : 124 {{{ 125 ping <server control IP addr> -c 5 126 traceroute <server data IP addr> 127 }}} 128 129 === 5.2 Take down the data interface === 121 130 122 131 a. ExoGENI nodes run a service called "neuca" that managed network interfaces on the node. To manually adjust the IP address, we must first disable neuca on both nodes. … … 165 174 This time the ping should indicate that the destination is unreachable. 166 175 167 168 176 === 5.3 (optional) Take down the control interface === 177 a. Now disable the IP on the control interface. 178 {{{ 179 sudo ifconfig <control interface name> 0.0.0.0 180 }}} 181 182 Your ssh session should immediately hang. 183 184 Why? 185 186 <table id="Table_03" border="0" cellpadding="5" cellspacing="0"> 187 <tr> 188 <td> 189 <img src="http://groups.geni.net/geni/attachment/wiki/GENIExperimenter/Tutorials/Graphics/Symbols-Tips-icon.png?format=raw" width="50" height="50" alt="Tip"> 190 </td> 191 <td> 192 Unfortunately, in order to recover from a situation like this where you've lost the ability to login to your nodes, the only way to recover is to delete your resources and start again. 193 </tr> 194 </table> 169 195 170 196 == 6. Analyze Experiment == … … 173 199 174 200 === 6.1 Logout of your nodes === 175 176 * When you are done, CTRL-C in the server window to stop !PingPlusListener. 177 * Then type `exit` in each of your open terminals. 201 * Then type `exit` in your open terminal. 178 202 179 203 Congratulations you have run an experiment in GENI!