[baseimage]: Subnet route added for management interface (eth0) - "fixes

#1023" (#1142) * Added management subnet route to route table-default in kernel. * Added sample output to interface file
sonic-net · Nov 14, 2017 · 803c263 · 803c263
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commit 803c263
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diff --git a/files/image_config/interfaces/interfaces.j2 b/files/image_config/interfaces/interfaces.j2
@@ -28,12 +28,14 @@ iface eth0 {{ 'inet' if prefix | ipv4 else 'inet6' }} static
     ########## management network policy routing rules
     # management port up rules
     up ip {{ '-4' if prefix | ipv4 else '-6' }} route add default via {{ MGMT_INTERFACE[(name, prefix)]['gwaddr'] }} dev eth0 table default
+    up ip {{ '-4' if prefix | ipv4 else '-6' }} route add {{ prefix | network }}/{{ prefix | prefixlen }} dev eth0 table default
     up ip {{ '-4' if prefix | ipv4 else '-6' }} rule add from {{ prefix | ip }}/{{ '32' if prefix | ipv4 else '128' }} table default
 {% for route in MGMT_INTERFACE[(name, prefix)]['forced_mgmt_routes'] %}
     up ip rule add to {{ route }} table default
 {% endfor %}
     # management port down rules
     down ip {{ '-4' if prefix | ipv4 else '-6' }} route delete default via {{ MGMT_INTERFACE[(name, prefix)]['gwaddr'] }} dev eth0 table default
+    down ip {{ '-4' if prefix | ipv4 else '-6' }} route delete {{ prefix | network }}/{{ prefix | prefixlen }} dev eth0 table default
     down ip {{ '-4' if prefix | ipv4 else '-6' }} rule delete from {{ prefix | ip }}/{{ '32' if prefix | ipv4 else '128' }} table default
 {% for route in MGMT_INTERFACE[(name, prefix)]['forced_mgmt_routes'] %}
     down ip rule delete to {{ route }} table default

diff --git a/src/sonic-config-engine/tests/sample_output/interfaces b/src/sonic-config-engine/tests/sample_output/interfaces
@@ -23,19 +23,23 @@ iface eth0 inet static
     ########## management network policy routing rules
     # management port up rules
     up ip -4 route add default via 10.0.0.1 dev eth0 table default
+    up ip -4 route add 10.0.0.0/24 dev eth0 table default
     up ip -4 rule add from 10.0.0.100/32 table default
     # management port down rules
     down ip -4 route delete default via 10.0.0.1 dev eth0 table default
+    down ip -4 route delete 10.0.0.0/24 dev eth0 table default
     down ip -4 rule delete from 10.0.0.100/32 table default
 iface eth0 inet6 static
     address 2603:10e2:0:2902::8
     netmask 64
     ########## management network policy routing rules
     # management port up rules
     up ip -6 route add default via 2603:10e2:0:2902::1 dev eth0 table default
+    up ip -6 route add 2603:10e2:0:2902::/64 dev eth0 table default
     up ip -6 rule add from 2603:10e2:0:2902::8/128 table default
     # management port down rules
     down ip -6 route delete default via 2603:10e2:0:2902::1 dev eth0 table default
+    down ip -6 route delete 2603:10e2:0:2902::/64 dev eth0 table default
     down ip -6 rule delete from 2603:10e2:0:2902::8/128 table default
 #
 # The switch front panel interfaces