From 650989533b0de8afc808c3176d222fde25caeb81 Mon Sep 17 00:00:00 2001
From: fett0 <fernando.gmaidana@gmail.com>
Date: Wed, 29 May 2024 01:06:00 +0000
Subject: ISIS: T6332: Fix isis not working only ipv6

(cherry picked from commit 03fd368ed263ca28c9b1b5e29f486217784d15ef)
---
 data/templates/frr/isisd.frr.j2                    |  5 +++-
 .../include/isis/protocol-common-config.xml.i      | 35 ++++++++++++++++++++++
 smoketest/scripts/cli/test_protocols_isis.py       | 15 ++++++++++
 3 files changed, 54 insertions(+), 1 deletion(-)

diff --git a/data/templates/frr/isisd.frr.j2 b/data/templates/frr/isisd.frr.j2
index 1e1cc3c27..5570caaa7 100644
--- a/data/templates/frr/isisd.frr.j2
+++ b/data/templates/frr/isisd.frr.j2
@@ -178,7 +178,7 @@ advertise-passive-only
 {%             for priority, priority_limit_options in fast_reroute.lfa.local.priority_limit.items() %}
 {%                 for level in priority_limit_options %}
  fast-reroute priority-limit {{ priority }} {{ level | replace('_', '-') }}
-{%                 endfor %}                   
+{%                 endfor %}
 {%             endfor %}
 {%         endif %}
 {%         if fast_reroute.lfa.local.tiebreaker is vyos_defined %}
@@ -233,6 +233,9 @@ fast-reroute remote-lfa prefix-list {{ prefix_list }}
 {%         endfor %}
 {%     endfor %}
 {% endif %}
+{% if topology is vyos_defined %}
+topology {{ topology }}
+{% endif %}
 {% if level is vyos_defined('level-2') %}
  is-type level-2-only
 {% elif level is vyos_defined %}
diff --git a/interface-definitions/include/isis/protocol-common-config.xml.i b/interface-definitions/include/isis/protocol-common-config.xml.i
index 404f03cb5..0e79ca5f2 100644
--- a/interface-definitions/include/isis/protocol-common-config.xml.i
+++ b/interface-definitions/include/isis/protocol-common-config.xml.i
@@ -165,6 +165,41 @@
   </properties>
 </leafNode>
 #include <include/isis/ldp-sync-protocol.xml.i>
+<leafNode name="topology">
+  <properties>
+    <help>Configure IS-IS topologies</help>
+    <completionHelp>
+      <list>ipv4-multicast ipv4-mgmt ipv6-unicast ipv6-multicast ipv6-mgmt ipv6-dstsrc</list>
+    </completionHelp>
+    <valueHelp>
+      <format>ipv4-multicast</format>
+      <description>Use IPv4 multicast topology</description>
+    </valueHelp>
+    <valueHelp>
+      <format>ipv4-mgmt</format>
+      <description>Use IPv4 management topology</description>
+    </valueHelp>
+    <valueHelp>
+      <format>ipv6-unicast</format>
+      <description>Use IPv6 unicast topology</description>
+    </valueHelp>
+    <valueHelp>
+      <format>ipv6-multicast</format>
+      <description>Use IPv6 multicast topology</description>
+    </valueHelp>
+    <valueHelp>
+      <format>ipv6-mgmt</format>
+      <description>Use IPv6 management topology</description>
+    </valueHelp>
+    <valueHelp>
+      <format>ipv6-dstsrc</format>
+      <description>Use IPv6 dst-src topology</description>
+    </valueHelp>
+    <constraint>
+      <regex>(ipv4-multicast|ipv4-mgmt|ipv6-unicast|ipv6-multicast|ipv6-mgmt|ipv6-dstsrc)</regex>
+    </constraint>
+  </properties>
+</leafNode>
 <node name="fast-reroute">
   <properties>
     <help>IS-IS fast reroute configuration</help>
diff --git a/smoketest/scripts/cli/test_protocols_isis.py b/smoketest/scripts/cli/test_protocols_isis.py
index a7663a720..0217c941a 100755
--- a/smoketest/scripts/cli/test_protocols_isis.py
+++ b/smoketest/scripts/cli/test_protocols_isis.py
@@ -395,5 +395,20 @@ class TestProtocolsISIS(VyOSUnitTestSHIM.TestCase):
         self.cli_delete(['policy', 'prefix-list', prefix_list])
         self.cli_commit()
 
+    def test_isis_10_topology(self):
+        topologies = ['ipv4-multicast', 'ipv4-mgmt', 'ipv6-unicast', 'ipv6-multicast', 'ipv6-mgmt']
+        interface = 'lo'
+
+        # Set a basic IS-IS config
+        self.cli_set(base_path + ['net', net])
+
+        self.cli_set(base_path + ['interface', interface])
+        for topology in topologies:
+            self.cli_set(base_path + ['topology', topology])
+            self.cli_commit()
+            tmp = self.getFRRconfig(f'router isis {domain}', daemon='isisd')
+            self.assertIn(f' net {net}', tmp)
+            self.assertIn(f' topology {topology}', tmp)
+
 if __name__ == '__main__':
     unittest.main(verbosity=2)
\ No newline at end of file
-- 
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