Merge pull request #354 from apwiggins/frr-service-reset-interfaces

added reset interfaces at FRR startup

daemon/core/services/frr.py

@@ -131,7 +131,7 @@ class FRRZebra(CoreService):
         frr_sbin_search = node.session.options.get_config(
             "frr_sbin_search", default='"/usr/local/sbin /usr/sbin /usr/lib/frr"'
         )
-        return """\
+        cfg = """\
 #!/bin/sh
 # auto-generated by zebra service (frr.py)
 FRR_CONF=%s
@@ -225,6 +225,7 @@ if [ "$1" != "zebra" ]; then
     echo "WARNING: '$1': all FRR daemons are launched by the 'zebra' service!"
     exit 1
 fi
+
 confcheck
 bootfrr
 """ % (
@@ -233,6 +234,11 @@ bootfrr
             frr_bin_search,
             constants.FRR_STATE_DIR,
         )
+        for ifc in node.netifs():
+            cfg += f"ip link set dev {ifc.name} down\n"
+            cfg += "sleep 1\n"
+            cfg += f"ip link set dev {ifc.name} up\n"
+        return cfg
 
     @classmethod
     def generateFrrDaemons(cls, node):