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authorChristian Breunig <christian@breunig.cc>2023-11-13 22:19:44 +0100
committerChristian Breunig <christian@breunig.cc>2023-11-13 22:23:09 +0100
commit403d2ffd6e46cb082b1d16ddf515e1784bee968c (patch)
tree199df6028fd540db6c841cfcb4911cfc1e4003a2
parent6ce2ecb10884a4b79a7643e22596a2d03d805a91 (diff)
downloadvyos-1x-403d2ffd6e46cb082b1d16ddf515e1784bee968c.tar.gz
vyos-1x-403d2ffd6e46cb082b1d16ddf515e1784bee968c.zip
pim6: T5733: add missing FRR PIM6 related features
-rw-r--r--data/templates/frr/pim6d.frr.j245
-rw-r--r--interface-definitions/include/policy/prefix-list6.xml.i14
-rw-r--r--interface-definitions/protocols-pim6.xml.in97
-rw-r--r--op-mode-definitions/show-ipv6-mld.xml.in42
-rw-r--r--op-mode-definitions/show-ipv6-pim.xml.in120
-rwxr-xr-xsmoketest/scripts/cli/test_protocols_pim6.py73
-rwxr-xr-xsrc/conf_mode/protocols_pim6.py57
7 files changed, 387 insertions, 61 deletions
diff --git a/data/templates/frr/pim6d.frr.j2 b/data/templates/frr/pim6d.frr.j2
index 8e430541d..bac716fcc 100644
--- a/data/templates/frr/pim6d.frr.j2
+++ b/data/templates/frr/pim6d.frr.j2
@@ -1,7 +1,24 @@
!
{% if interface is vyos_defined %}
{% for iface, iface_config in interface.items() %}
+!
interface {{ iface }}
+ ipv6 pim
+{% if iface_config.no_bsm is vyos_defined %}
+ no ipv6 pim bsm
+{% endif %}
+{% if iface_config.dr_priority is vyos_defined %}
+ ipv6 pim drpriority {{ iface_config.dr_priority }}
+{% endif %}
+{% if iface_config.hello is vyos_defined %}
+ ipv6 pim hello {{ iface_config.hello }}
+{% endif %}
+{% if iface_config.no_unicast_bsm is vyos_defined %}
+ no ipv6 pim unicast-bsm
+{% endif %}
+{% if iface_config.passive is vyos_defined %}
+ ipv6 pim passive
+{% endif %}
{% if iface_config.mld is vyos_defined and iface_config.mld.disable is not vyos_defined %}
ipv6 mld
{% if iface_config.mld.version is vyos_defined %}
@@ -32,7 +49,33 @@ interface {{ iface }}
{% endif %}
{% endif %}
exit
-!
{% endfor %}
+{% endif %}
!
+{% if join_prune_interval is vyos_defined %}
+ipv6 pim join-prune-interval {{ join_prune_interval }}
+{% endif %}
+{% if keep_alive_timer is vyos_defined %}
+ipv6 pim keep-alive-timer {{ keep_alive_timer }}
+{% endif %}
+{% if packets is vyos_defined %}
+ipv6 pim packets {{ packets }}
+{% endif %}
+{% if register_suppress_time is vyos_defined %}
+ipv6 pim register-suppress-time {{ register_suppress_time }}
+{% endif %}
+{% if rp.address is vyos_defined %}
+{% for address, address_config in rp.address.items() %}
+{% if address_config.group is vyos_defined %}
+{% for group in address_config.group %}
+ipv6 pim rp {{ address }} {{ group }}
+{% endfor %}
+{% endif %}
+{% if address_config.prefix_list6 is vyos_defined %}
+ipv6 pim rp {{ address }} prefix-list {{ address_config.prefix_list6 }}
+{% endif %}
+{% endfor %}
+{% endif %}
+{% if rp.keep_alive_timer is vyos_defined %}
+ipv6 pim rp keep-alive-timer {{ rp.keep_alive_timer }}
{% endif %}
diff --git a/interface-definitions/include/policy/prefix-list6.xml.i b/interface-definitions/include/policy/prefix-list6.xml.i
new file mode 100644
index 000000000..101702f1f
--- /dev/null
+++ b/interface-definitions/include/policy/prefix-list6.xml.i
@@ -0,0 +1,14 @@
+<!-- include start from policy/prefix-list6.xml.i -->
+<leafNode name="prefix-list6">
+ <properties>
+ <help>Prefix-list to use</help>
+ <valueHelp>
+ <format>txt</format>
+ <description>Prefix-list to apply (IPv6)</description>
+ </valueHelp>
+ <completionHelp>
+ <path>policy prefix-list6</path>
+ </completionHelp>
+ </properties>
+</leafNode>
+<!-- include end -->
diff --git a/interface-definitions/protocols-pim6.xml.in b/interface-definitions/protocols-pim6.xml.in
index 58ef5a1e3..8bd3f3fee 100644
--- a/interface-definitions/protocols-pim6.xml.in
+++ b/interface-definitions/protocols-pim6.xml.in
@@ -5,7 +5,7 @@
<children>
<node name="pim6" owner="${vyos_conf_scripts_dir}/protocols_pim6.py">
<properties>
- <help>Protocol Independent Multicast for IPv6 (PIMv6)</help>
+ <help>Protocol Independent Multicast for IPv6 (PIMv6) and MLD</help>
<priority>400</priority>
</properties>
<children>
@@ -15,8 +15,15 @@
<completionHelp>
<script>${vyos_completion_dir}/list_interfaces</script>
</completionHelp>
+ <constraint>
+ #include <include/constraint/interface-name.xml.i>
+ </constraint>
</properties>
<children>
+ #include <include/pim/bsm.xml.i>
+ #include <include/pim/dr-priority.xml.i>
+ #include <include/pim/hello.xml.i>
+ #include <include/pim/passive.xml.i>
<node name="mld">
<properties>
<help>Multicast Listener Discovery (MLD)</help>
@@ -53,25 +60,29 @@
</leafNode>
</children>
</tagNode>
- <leafNode name="version">
+ <leafNode name="last-member-query-count">
<properties>
- <help>MLD version</help>
- <completionHelp>
- <list>1 2</list>
- </completionHelp>
+ <help>Last member query count</help>
<valueHelp>
- <format>1</format>
- <description>MLD version 1</description>
+ <format>u32:1-255</format>
+ <description>Count</description>
</valueHelp>
- <valueHelp>
- <format>2</format>
- <description>MLD version 2</description>
+ <constraint>
+ <validator name="numeric" argument="--range 1-255"/>
+ </constraint>
+ </properties>
+ </leafNode>
+ <leafNode name="last-member-query-interval">
+ <properties>
+ <help>Last member query interval</help>
+ <valueHelp>
+ <format>u32:100-6553500</format>
+ <description>Last member query interval in milliseconds</description>
</valueHelp>
<constraint>
- <validator name="numeric" argument="--range 1-2"/>
+ <validator name="numeric" argument="--range 100-6553500"/>
</constraint>
</properties>
- <defaultValue>2</defaultValue>
</leafNode>
<leafNode name="interval">
<properties>
@@ -97,34 +108,70 @@
</constraint>
</properties>
</leafNode>
- <leafNode name="last-member-query-count">
+ <leafNode name="version">
<properties>
- <help>Last member query count</help>
+ <help>MLD version</help>
+ <completionHelp>
+ <list>1 2</list>
+ </completionHelp>
<valueHelp>
- <format>u32:1-255</format>
- <description>Count</description>
+ <format>1</format>
+ <description>MLD version 1</description>
+ </valueHelp>
+ <valueHelp>
+ <format>2</format>
+ <description>MLD version 2</description>
</valueHelp>
<constraint>
- <validator name="numeric" argument="--range 1-255"/>
+ <validator name="numeric" argument="--range 1-2"/>
</constraint>
</properties>
+ <defaultValue>2</defaultValue>
</leafNode>
- <leafNode name="last-member-query-interval">
+ </children>
+ </node>
+ </children>
+ </tagNode>
+ #include <include/pim/join-prune-interval.xml.i>
+ #include <include/pim/keep-alive-timer.xml.i>
+ #include <include/pim/packets.xml.i>
+ #include <include/pim/register-suppress-time.xml.i>
+ <node name="rp">
+ <properties>
+ <help>Rendezvous Point</help>
+ </properties>
+ <children>
+ <tagNode name="address">
+ <properties>
+ <help>Rendezvous Point address</help>
+ <valueHelp>
+ <format>ipv6</format>
+ <description>Rendezvous Point address</description>
+ </valueHelp>
+ <constraint>
+ <validator name="ipv6-address"/>
+ </constraint>
+ </properties>
+ <children>
+ <leafNode name="group">
<properties>
- <help>Last member query interval</help>
+ <help>Group Address range</help>
<valueHelp>
- <format>u32:100-6553500</format>
- <description>Last member query interval in milliseconds</description>
+ <format>ipv6net</format>
+ <description>Group Address range</description>
</valueHelp>
<constraint>
- <validator name="numeric" argument="--range 100-6553500"/>
+ <validator name="ipv6-prefix"/>
</constraint>
+ <multi/>
</properties>
</leafNode>
+ #include <include/policy/prefix-list6.xml.i>
</children>
- </node>
+ </tagNode>
+ #include <include/pim/keep-alive-timer.xml.i>
</children>
- </tagNode>
+ </node>
</children>
</node>
</children>
diff --git a/op-mode-definitions/show-ipv6-mld.xml.in b/op-mode-definitions/show-ipv6-mld.xml.in
new file mode 100644
index 000000000..5c719f700
--- /dev/null
+++ b/op-mode-definitions/show-ipv6-mld.xml.in
@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<interfaceDefinition>
+ <node name="show">
+ <children>
+ <node name="ipv6">
+ <children>
+ <node name="mld">
+ <properties>
+ <help>Show MLD (Multicast Listener Discovery) information</help>
+ </properties>
+ <children>
+ <leafNode name="groups">
+ <properties>
+ <help>MLD group information</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="interface">
+ <properties>
+ <help>MLD interface information</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="joins">
+ <properties>
+ <help>MLD joined groups and sources</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="statistics">
+ <properties>
+ <help>MLD statistics</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ </children>
+ </node>
+ </children>
+ </node>
+ </children>
+ </node>
+</interfaceDefinition>
diff --git a/op-mode-definitions/show-ipv6-pim.xml.in b/op-mode-definitions/show-ipv6-pim.xml.in
new file mode 100644
index 000000000..7cc3ce742
--- /dev/null
+++ b/op-mode-definitions/show-ipv6-pim.xml.in
@@ -0,0 +1,120 @@
+<?xml version="1.0"?>
+<interfaceDefinition>
+ <node name="show">
+ <children>
+ <node name="ipv6">
+ <children>
+ <node name="pim">
+ <properties>
+ <help>Show PIM (Protocol Independent Multicast) information</help>
+ </properties>
+ <children>
+ <leafNode name="bsm-database">
+ <properties>
+ <help>PIM cached bsm packets information</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="bsr">
+ <properties>
+ <help>PIM boot-strap router information</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="bsrp-info">
+ <properties>
+ <help>PIM cached group-rp mappings information</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="channel">
+ <properties>
+ <help>PIM downstream channel info</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="interface">
+ <properties>
+ <help>PIM interfaces information</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="join">
+ <properties>
+ <help>PIM join information</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="local-membership">
+ <properties>
+ <help>PIM interface local-membership</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="neighbor">
+ <properties>
+ <help>PIM neighbor information</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="nexthop">
+ <properties>
+ <help>PIM cached nexthop rpf information</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="rp-info">
+ <properties>
+ <help>PIM rendezvous point information</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="rpf">
+ <properties>
+ <help>PIM reverse path forwarding information</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="secondary">
+ <properties>
+ <help>PIM neighbor addresses</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="state">
+ <properties>
+ <help>PIM state information</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="statistics">
+ <properties>
+ <help>PIM statistics</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="upstream">
+ <properties>
+ <help>PIM upstream information</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="upstream-join-desired">
+ <properties>
+ <help>PIM upstream join-desired</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ <leafNode name="upstream-rpf">
+ <properties>
+ <help>PIM upstream source reverse path forwarding</help>
+ </properties>
+ <command>${vyos_op_scripts_dir}/vtysh_wrapper.sh $@</command>
+ </leafNode>
+ </children>
+ </node>
+ </children>
+ </node>
+ </children>
+ </node>
+</interfaceDefinition>
diff --git a/smoketest/scripts/cli/test_protocols_pim6.py b/smoketest/scripts/cli/test_protocols_pim6.py
index 1be12836d..e22a7c722 100755
--- a/smoketest/scripts/cli/test_protocols_pim6.py
+++ b/smoketest/scripts/cli/test_protocols_pim6.py
@@ -24,18 +24,20 @@ from vyos.utils.process import process_named_running
PROCESS_NAME = 'pim6d'
base_path = ['protocols', 'pim6']
-
class TestProtocolsPIMv6(VyOSUnitTestSHIM.TestCase):
def tearDown(self):
# Check for running process
self.assertTrue(process_named_running(PROCESS_NAME))
+
self.cli_delete(base_path)
self.cli_commit()
+ # Check for running process
+ self.assertTrue(process_named_running(PROCESS_NAME))
+
def test_pim6_01_mld_simple(self):
# commit changes
interfaces = Section.interfaces('ethernet')
-
for interface in interfaces:
self.cli_set(base_path + ['interface', interface])
@@ -43,68 +45,95 @@ class TestProtocolsPIMv6(VyOSUnitTestSHIM.TestCase):
# Verify FRR pim6d configuration
for interface in interfaces:
- config = self.getFRRconfig(
- f'interface {interface}', daemon=PROCESS_NAME)
+ config = self.getFRRconfig(f'interface {interface}', daemon=PROCESS_NAME)
self.assertIn(f'interface {interface}', config)
self.assertIn(f' ipv6 mld', config)
self.assertNotIn(f' ipv6 mld version 1', config)
# Change to MLD version 1
for interface in interfaces:
- self.cli_set(base_path + ['interface',
- interface, 'mld', 'version', '1'])
+ self.cli_set(base_path + ['interface', interface, 'mld', 'version', '1'])
self.cli_commit()
# Verify FRR pim6d configuration
for interface in interfaces:
- config = self.getFRRconfig(
- f'interface {interface}', daemon=PROCESS_NAME)
+ config = self.getFRRconfig(f'interface {interface}', daemon=PROCESS_NAME)
self.assertIn(f'interface {interface}', config)
self.assertIn(f' ipv6 mld', config)
self.assertIn(f' ipv6 mld version 1', config)
def test_pim6_02_mld_join(self):
- # commit changes
interfaces = Section.interfaces('ethernet')
-
- # Use an invalid multiple group address
+ # Use an invalid multicast group address
for interface in interfaces:
- self.cli_set(base_path + ['interface',
- interface, 'mld', 'join', 'fd00::1234'])
+ self.cli_set(base_path + ['interface', interface, 'mld', 'join', 'fd00::1234'])
with self.assertRaises(ConfigSessionError):
self.cli_commit()
self.cli_delete(base_path + ['interface'])
- # Use a valid multiple group address
+ # Use a valid multicast group address
for interface in interfaces:
- self.cli_set(base_path + ['interface',
- interface, 'mld', 'join', 'ff18::1234'])
+ self.cli_set(base_path + ['interface', interface, 'mld', 'join', 'ff18::1234'])
self.cli_commit()
# Verify FRR pim6d configuration
for interface in interfaces:
- config = self.getFRRconfig(
- f'interface {interface}', daemon=PROCESS_NAME)
+ config = self.getFRRconfig(f'interface {interface}', daemon=PROCESS_NAME)
self.assertIn(f'interface {interface}', config)
self.assertIn(f' ipv6 mld join ff18::1234', config)
# Join a source-specific multicast group
for interface in interfaces:
- self.cli_set(base_path + ['interface', interface,
- 'mld', 'join', 'ff38::5678', 'source', '2001:db8::5678'])
+ self.cli_set(base_path + ['interface', interface, 'mld', 'join', 'ff38::5678', 'source', '2001:db8::5678'])
self.cli_commit()
# Verify FRR pim6d configuration
for interface in interfaces:
- config = self.getFRRconfig(
- f'interface {interface}', daemon=PROCESS_NAME)
+ config = self.getFRRconfig(f'interface {interface}', daemon=PROCESS_NAME)
self.assertIn(f'interface {interface}', config)
self.assertIn(f' ipv6 mld join ff38::5678 2001:db8::5678', config)
+ def test_pim6_03_basic(self):
+ interfaces = Section.interfaces('ethernet')
+ join_prune_interval = '123'
+ keep_alive_timer = '77'
+ packets = '5'
+ register_suppress_time = '99'
+ dr_priority = '100'
+ hello = '50'
+
+ self.cli_set(base_path + ['join-prune-interval', join_prune_interval])
+ self.cli_set(base_path + ['keep-alive-timer', keep_alive_timer])
+ self.cli_set(base_path + ['packets', packets])
+ self.cli_set(base_path + ['register-suppress-time', register_suppress_time])
+
+ for interface in interfaces:
+ self.cli_set(base_path + ['interface', interface, 'dr-priority', dr_priority])
+ self.cli_set(base_path + ['interface', interface, 'hello', hello])
+ self.cli_set(base_path + ['interface', interface, 'no-bsm'])
+ self.cli_set(base_path + ['interface', interface, 'no-unicast-bsm'])
+ self.cli_set(base_path + ['interface', interface, 'passive'])
+
+ self.cli_commit()
+
+ # Verify FRR pim6d configuration
+ config = self.getFRRconfig(daemon=PROCESS_NAME)
+ self.assertIn(f'ipv6 pim join-prune-interval {join_prune_interval}', config)
+ self.assertIn(f'ipv6 pim keep-alive-timer {keep_alive_timer}', config)
+ self.assertIn(f'ipv6 pim packets {packets}', config)
+ self.assertIn(f'ipv6 pim register-suppress-time {register_suppress_time}', config)
+
+ for interface in interfaces:
+ config = self.getFRRconfig(f'interface {interface}', daemon=PROCESS_NAME)
+ self.assertIn(f' ipv6 pim drpriority {dr_priority}', config)
+ self.assertIn(f' ipv6 pim hello {hello}', config)
+ self.assertIn(f' no ipv6 pim bsm', config)
+ self.assertIn(f' no ipv6 pim unicast-bsm', config)
+ self.assertIn(f' ipv6 pim passive', config)
if __name__ == '__main__':
unittest.main(verbosity=2)
diff --git a/src/conf_mode/protocols_pim6.py b/src/conf_mode/protocols_pim6.py
index 6a1235ba5..2003a1014 100755
--- a/src/conf_mode/protocols_pim6.py
+++ b/src/conf_mode/protocols_pim6.py
@@ -15,18 +15,19 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from ipaddress import IPv6Address
+from ipaddress import IPv6Network
from sys import exit
-from typing import Optional
-from vyos import ConfigError, airbag, frr
-from vyos.config import Config, ConfigDict
+from vyos.config import Config
+from vyos.config import config_dict_merge
from vyos.configdict import node_changed
from vyos.configverify import verify_interface_exists
from vyos.template import render_to_string
-
+from vyos import ConfigError
+from vyos import frr
+from vyos import airbag
airbag.enable()
-
def get_config(config=None):
if config:
conf = config
@@ -44,11 +45,21 @@ def get_config(config=None):
if interfaces_removed:
pim6['interface_removed'] = list(interfaces_removed)
- return pim6
+ # Bail out early if configuration tree does no longer exist. this must
+ # be done after retrieving the list of interfaces to be removed.
+ if not conf.exists(base):
+ pim6.update({'deleted' : ''})
+ return pim6
+ # We have gathered the dict representation of the CLI, but there are default
+ # options which we need to update into the dictionary retrived.
+ default_values = conf.get_config_defaults(**pim6.kwargs, recursive=True)
+
+ pim6 = config_dict_merge(default_values, pim6)
+ return pim6
def verify(pim6):
- if pim6 is None:
+ if not pim6 or 'deleted' in pim6:
return
for interface, interface_config in pim6.get('interface', {}).items():
@@ -60,13 +71,34 @@ def verify(pim6):
if not IPv6Address(group).is_multicast:
raise ConfigError(f"{group} is not a multicast group")
+ if 'rp' in pim6:
+ if 'address' not in pim6['rp']:
+ raise ConfigError('PIM6 rendezvous point needs to be defined!')
+
+ # Check unique multicast groups
+ unique = []
+ pim_base_error = 'PIM6 rendezvous point group'
+
+ if {'address', 'prefix-list6'} <= set(pim6['rp']):
+ raise ConfigError(f'{pim_base_error} supports either address or a prefix-list!')
+
+ for address, address_config in pim6['rp']['address'].items():
+ if 'group' not in address_config:
+ raise ConfigError(f'{pim_base_error} should be defined for "{address}"!')
+
+ # Check if it is a multicast group
+ for gr_addr in address_config['group']:
+ if not IPv6Network(gr_addr).is_multicast:
+ raise ConfigError(f'{pim_base_error} "{gr_addr}" is not a multicast group!')
+ if gr_addr in unique:
+ raise ConfigError(f'{pim_base_error} must be unique!')
+ unique.append(gr_addr)
def generate(pim6):
- if pim6 is None:
+ if not pim6 or 'deleted' in pim6:
return
-
pim6['new_frr_config'] = render_to_string('frr/pim6d.frr.j2', pim6)
-
+ return None
def apply(pim6):
if pim6 is None:
@@ -83,13 +115,12 @@ def apply(pim6):
if key not in pim6:
continue
for interface in pim6[key]:
- frr_cfg.modify_section(
- f'^interface {interface}', stop_pattern='^exit', remove_stop_mark=True)
+ frr_cfg.modify_section(f'^interface {interface}', stop_pattern='^exit', remove_stop_mark=True)
if 'new_frr_config' in pim6:
frr_cfg.add_before(frr.default_add_before, pim6['new_frr_config'])
frr_cfg.commit_configuration(pim6_daemon)
-
+ return None
if __name__ == '__main__':
try: