diff --git a/cloudinit/distros/bsd.py b/cloudinit/distros/bsd.py
index 4664762487a..60490c8a794 100644
--- a/cloudinit/distros/bsd.py
+++ b/cloudinit/distros/bsd.py
@@ -39,7 +39,7 @@ def __init__(self, name, cfg, paths):
         cfg["ssh_svcname"] = "sshd"
         cfg["rsyslog_svcname"] = "rsyslogd"
         self.osfamily = platform.system().lower()
-        self.net_ops = bsd_netops
+        self.net_ops = bsd_netops.BsdNetOps
 
     def _read_system_hostname(self):
         sys_hostname = self._read_hostname(self.hostname_conf_fn)
diff --git a/cloudinit/net/netops/bsd_netops.py b/cloudinit/net/netops/bsd_netops.py
index e87ee1e8444..fd9ea8ca573 100644
--- a/cloudinit/net/netops/bsd_netops.py
+++ b/cloudinit/net/netops/bsd_netops.py
@@ -1,16 +1,17 @@
 from typing import Optional
 
 import cloudinit.net.netops as netops
+from cloudinit import subp
 
 
 class BsdNetOps(netops.NetOps):
     @staticmethod
     def link_up(interface: str):
-        pass
+        subp.subp(["ifconfig", interface, "up"])
 
     @staticmethod
     def link_down(interface: str):
-        pass
+        subp.subp(["ifconfig", interface, "down"])
 
     @staticmethod
     def add_route(
@@ -20,11 +21,15 @@ def add_route(
         gateway: Optional[str] = None,
         source_address: Optional[str] = None
     ):
-        pass
+        subp.subp(["route", "add", route, "-interface", interface])
+        if gateway and gateway != "0.0.0.0":
+            subp.subp(
+                ["route", "change", route, gateway],
+            )
 
     @staticmethod
     def append_route(interface: str, address: str, gateway: str):
-        pass
+        return BsdNetOps.add_route(interface, route=address, gateway=gateway)
 
     @staticmethod
     def del_route(
@@ -34,16 +39,36 @@ def del_route(
         gateway: Optional[str] = None,
         source_address: Optional[str] = None
     ):
-        pass
+        subp.subp(
+            ["route", "del", address]
+            + ([gateway] if gateway and gateway != "0.0.0.0" else []),
+        )
 
     @staticmethod
     def get_default_route() -> str:
-        pass
+        std, _ = subp.subp(["route", "-nv", "get", "0.0.0.0/0"])
+        return std.splitlines()[-1].strip()
 
     @staticmethod
     def add_addr(interface: str, address: str, broadcast: str):
-        pass
+        subp.subp(
+            [
+                "ifconfig",
+                interface,
+                address,
+                "broadcast",
+                broadcast,
+                "alias",
+            ],
+        )
 
     @staticmethod
     def del_addr(interface: str, address: str):
-        pass
+        subp.subp(
+            [
+                "ifconfig",
+                interface,
+                address,
+                "-alias",
+            ],
+        )