diff --git a/Sanity/ifconfig-inaccurately-rounds-exabytes/data b/Sanity/ifconfig-inaccurately-rounds-exabytes/data
new file mode 100644
index 0000000..c91f3d7
--- /dev/null
+++ b/Sanity/ifconfig-inaccurately-rounds-exabytes/data
@@ -0,0 +1,6 @@
+431640404764:401.9 GiB
+1125899906842624:1024.0 TiB
+1125899906842625:1.0 PiB
+2154408931384050514:1.8 EiB
+9223372036854775807:8.0 EiB
+9999999999999999999999999999992154408931384050514:16.0 EiB
diff --git a/Sanity/ifconfig-inaccurately-rounds-exabytes/dev b/Sanity/ifconfig-inaccurately-rounds-exabytes/dev
new file mode 100644
index 0000000..cfb7bba
--- /dev/null
+++ b/Sanity/ifconfig-inaccurately-rounds-exabytes/dev
@@ -0,0 +1,3 @@
+Inter-|   Receive                                                |  Transmit
+ face |bytes    packets errs drop fifo frame compressed multicast|bytes    packets errs drop fifo colls carrier compressed
+    lo:  XXX     690    0    0    0     0          0         0   0     0    0    0    0     0       0          0
diff --git a/Sanity/ifconfig-inaccurately-rounds-exabytes/main.fmf b/Sanity/ifconfig-inaccurately-rounds-exabytes/main.fmf
new file mode 100644
index 0000000..91d5f4b
--- /dev/null
+++ b/Sanity/ifconfig-inaccurately-rounds-exabytes/main.fmf
@@ -0,0 +1,28 @@
+summary: Test for BZ#1177980 (ifconfig inaccurately rounds exabytes)
+description: |
+    Bug summary: ifconfig inaccurately rounds exabytes
+    Bugzilla link: https://bugzilla.redhat.com/show_bug.cgi?id=1177980
+enabled: true
+link:
+  - relates: https://bugzilla.redhat.com/show_bug.cgi?id=1177980
+  - relates: https://bugzilla.redhat.com/show_bug.cgi?id=1592732
+  - relates: https://bugzilla.redhat.com/show_bug.cgi?id=1414765
+  - relates: https://bugzilla.redhat.com/show_bug.cgi?id=1392910
+tag:
+  - Tier1
+tier: '1'
+adjust:
+  - enabled: false
+    when: distro < rhel-6
+    continue: false
+contact: fhrdina@redhat.com
+component:
+  - net-tools
+test: ./runtest.sh
+framework: beakerlib
+recommend:
+  - net-tools
+duration: 20m
+extra-nitrate: TC#0539000
+extra-summary: /CoreOS/net-tools/Sanity/ifconfig-inaccurately-rounds-exabytes
+extra-task: /CoreOS/net-tools/Sanity/ifconfig-inaccurately-rounds-exabytes
diff --git a/Sanity/ifconfig-inaccurately-rounds-exabytes/runtest.sh b/Sanity/ifconfig-inaccurately-rounds-exabytes/runtest.sh
new file mode 100755
index 0000000..159d110
--- /dev/null
+++ b/Sanity/ifconfig-inaccurately-rounds-exabytes/runtest.sh
@@ -0,0 +1,66 @@
+#!/bin/bash
+# vim: dict+=/usr/share/beakerlib/dictionary.vim cpt=.,w,b,u,t,i,k
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+#   runtest.sh of /CoreOS/net-tools/Sanity/ifconfig-inaccurately-rounds-exabytes
+#   Description: Test for BZ#1177980 (ifconfig inaccurately rounds exabytes)
+#   Author: Petr Sklenar <psklenar@redhat.com>
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+#
+#   Copyright (c) 2016 Red Hat, Inc.
+#
+#   This program is free software: you can redistribute it and/or
+#   modify it under the terms of the GNU General Public License as
+#   published by the Free Software Foundation, either version 2 of
+#   the License, or (at your option) any later version.
+#
+#   This program is distributed in the hope that it will be
+#   useful, but WITHOUT ANY WARRANTY; without even the implied
+#   warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+#   PURPOSE.  See the GNU General Public License for more details.
+#
+#   You should have received a copy of the GNU General Public License
+#   along with this program. If not, see http://www.gnu.org/licenses/.
+#
+# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+# Include Beaker environment
+. /usr/share/beakerlib/beakerlib.sh || exit 1
+
+PACKAGE="net-tools"
+
+rlJournalStart
+    rlPhaseStartSetup
+        rlAssertRpm $PACKAGE
+        chrootd=`mktemp -d`
+        rlIsFedora && rlRun "dnf -y --installroot=$chrootd --releasever=`rlGetDistroRelease` install net-tools"
+        rlIsFedora && dnf -y --installroot=$chrootd --releasever=rawhide upgrade net-tools --nogpg 
+        rlIsRHEL && rlRun "yum -y --installroot=$chrootd install net-tools --nogpgcheck"
+        rlRun "mkdir $chrootd/proc/net -p"
+    rlPhaseEnd
+
+
+    rlPhaseStartTest
+        old="$IFS"
+        #IFS =  delimiter:
+        IFS='
+'
+        for i in $(<data);do
+            echo ============
+            bytes=`echo $i | gawk -F: '{ print $1 }'`
+            iB=`echo $i | gawk -F: '{ print $2 }'`
+            sed s/XXX/$bytes/g dev > $chrootd/proc/net/dev
+            chroot $chrootd /bin/bash -c "ifconfig" | grep "$iB"
+            rlAssert0 "$iB" $?
+            chroot $chrootd /bin/bash -c "ifconfig"
+            echo ===========
+        done
+        IFS="$old"
+    rlPhaseEnd
+
+    rlPhaseStartCleanup
+        rlRun "rm -r $chrootd"
+    rlPhaseEnd
+rlJournalPrintText
+rlJournalEnd