Modified keyword 'Get Network Configuration'

Let user to specify Ethernet Interface name by channel number while
running, if not, the channel number default is 1.

Signed-off-by: Tony Lee <tony.lee@quantatw.com>
Change-Id: I02131688a6c7bf3c383dfa51ee97fe7501b04b42
diff --git a/lib/bmc_network_utils.robot b/lib/bmc_network_utils.robot
index b4c6c79..15d80ce 100644
--- a/lib/bmc_network_utils.robot
+++ b/lib/bmc_network_utils.robot
@@ -4,6 +4,7 @@
 Resource                ../lib/boot_utils.robot
 Library                 ../lib/gen_misc.py
 Library                 ../lib/utils.py
+Library                 ../lib/bmc_network_utils.py
 
 *** Variables ***
 # MAC input from user.
@@ -352,8 +353,8 @@
     #    "VLANEnable": false,
     #    "VLANId": 0
     #  }
-
-    ${resp}=  Redfish.Get  ${REDFISH_NW_ETH0_URI}
+    ${active_channel_config}=  Get Active Channel Config
+    ${resp}=  Redfish.Get  ${REDFISH_NW_ETH_IFACE}/${active_channel_config['${CHANNEL_NUMBER}']['name']}
     @{network_configurations}=  Get From Dictionary  ${resp.dict}  IPv4StaticAddresses
     [Return]  @{network_configurations}