Merge pull request #2399 from nicolas-fort/T5637-sagitta

T5637: Firewall: add new rule at the end of base chains for default-a…

11 files changed, 57 insertions, 33 deletions

diff --git a/data/templates/firewall/nftables.j2 b/data/templates/firewall/nftables.j2
index c2741a07f..6257b576a 100644
--- a/data/templates/firewall/nftables.j2
+++ b/data/templates/firewall/nftables.j2
@@ -40,9 +40,8 @@ table ip vyos_filter {
 {%     set ns = namespace(sets=[]) %}
 {%     if ipv4.forward is vyos_defined %}
 {%         for prior, conf in ipv4.forward.items() %}
-{%             set def_action = conf.default_action %}
     chain VYOS_FORWARD_{{ prior }} {
-        type filter hook forward priority {{ prior }}; policy {{ def_action }};
+        type filter hook forward priority {{ prior }}; policy accept;
 {%             if conf.rule is vyos_defined %}
 {%                 for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
         {{ rule_conf | nft_rule('FWD', prior, rule_id) }}
@@ -51,15 +50,15 @@ table ip vyos_filter {
 {%                     endif %}
 {%                 endfor %}
 {%             endif %}
+        {{ conf | nft_default_rule('FWD-filter') }}
     }
 {%         endfor %}
 {%     endif %}
 
 {%     if ipv4.input is vyos_defined %}
 {%         for prior, conf in ipv4.input.items() %}
-{%             set def_action = conf.default_action %}
     chain VYOS_INPUT_{{ prior }} {
-        type filter hook input priority {{ prior }}; policy {{ def_action }};
+        type filter hook input priority {{ prior }}; policy accept;
 {%             if conf.rule is vyos_defined %}
 {%                 for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
         {{ rule_conf | nft_rule('INP',prior, rule_id) }}
@@ -68,15 +67,15 @@ table ip vyos_filter {
 {%                     endif %}
 {%                 endfor %}
 {%             endif %}
+        {{ conf | nft_default_rule('INP-filter') }}
     }
 {%         endfor %}
 {%     endif %}
 
 {%     if ipv4.output is vyos_defined %}
 {%         for prior, conf in ipv4.output.items() %}
-{%             set def_action = conf.default_action %}
     chain VYOS_OUTPUT_{{ prior }} {
-        type filter hook output priority {{ prior }}; policy {{ def_action }};
+        type filter hook output priority {{ prior }}; policy accept;
 {%             if conf.rule is vyos_defined %}
 {%                 for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
         {{ rule_conf | nft_rule('OUT', prior, rule_id) }}
@@ -85,6 +84,7 @@ table ip vyos_filter {
 {%                     endif %}
 {%                 endfor %}
 {%             endif %}
+        {{ conf | nft_default_rule('OUT-filter') }}
     }
 {%         endfor %}
 {%     endif %}
@@ -94,9 +94,8 @@ table ip vyos_filter {
     }
 {%     if ipv4.prerouting is vyos_defined %}
 {%         for prior, conf in ipv4.prerouting.items() %}
-{%             set def_action = conf.default_action %}
     chain VYOS_PREROUTING_{{ prior }} {
-        type filter hook prerouting priority {{ prior }}; policy {{ def_action }};
+        type filter hook prerouting priority {{ prior }}; policy accept;
 {%             if conf.rule is vyos_defined %}
 {%                 for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
         {{ rule_conf | nft_rule('PRE', prior, rule_id) }}
@@ -105,7 +104,7 @@ table ip vyos_filter {
 {%                     endif %}
 {%                 endfor %}
 {%             endif %}
-        {{ conf | nft_default_rule(prior) }}
+        {{ conf | nft_default_rule('PRE-filter') }}
     }
 {%         endfor %}
 {%     endif %}
@@ -163,9 +162,8 @@ table ip6 vyos_filter {
 {%     set ns = namespace(sets=[]) %}
 {%     if ipv6.forward is vyos_defined %}
 {%         for prior, conf in ipv6.forward.items() %}
-{%             set def_action = conf.default_action %}
     chain VYOS_IPV6_FORWARD_{{ prior }} {
-        type filter hook forward priority {{ prior }}; policy {{ def_action }};
+        type filter hook forward priority {{ prior }}; policy accept;
 {%             if conf.rule is vyos_defined %}
 {%                 for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
         {{ rule_conf | nft_rule('FWD', prior, rule_id ,'ip6') }}
@@ -174,15 +172,15 @@ table ip6 vyos_filter {
 {%                     endif %}
 {%                 endfor %}
 {%             endif %}
+        {{ conf | nft_default_rule('FWD-filter', ipv6=True) }}
     }
 {%         endfor %}
 {%     endif %}
 
 {%     if ipv6.input is vyos_defined %}
 {%         for prior, conf in ipv6.input.items() %}
-{%             set def_action = conf.default_action %}
     chain VYOS_IPV6_INPUT_{{ prior }} {
-        type filter hook input priority {{ prior }}; policy {{ def_action }};
+        type filter hook input priority {{ prior }}; policy accept;
 {%             if conf.rule is vyos_defined %}
 {%                 for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
         {{ rule_conf | nft_rule('INP', prior, rule_id ,'ip6') }}
@@ -191,15 +189,15 @@ table ip6 vyos_filter {
 {%                     endif %}
 {%                 endfor %}
 {%             endif %}
+        {{ conf | nft_default_rule('INP-filter', ipv6=True) }}
     }
 {%         endfor %}
 {%     endif %}
 
 {%     if ipv6.output is vyos_defined %}
 {%         for prior, conf in ipv6.output.items() %}
-{%             set def_action = conf.default_action %}
     chain VYOS_IPV6_OUTPUT_{{ prior }} {
-        type filter hook output priority {{ prior }}; policy {{ def_action }};
+        type filter hook output priority {{ prior }}; policy accept;
 {%             if conf.rule is vyos_defined %}
 {%                 for rule_id, rule_conf in conf.rule.items() if rule_conf.disable is not vyos_defined %}
         {{ rule_conf | nft_rule('OUT', prior, rule_id ,'ip6') }}
@@ -208,6 +206,7 @@ table ip6 vyos_filter {
 {%                     endif %}
 {%                 endfor %}
 {%             endif %}
+        {{ conf | nft_default_rule('OUT-filter', ipv6=True) }}
     }
 {%         endfor %}
 {%     endif %}
diff --git a/interface-definitions/include/firewall/ipv4-hook-forward.xml.i b/interface-definitions/include/firewall/ipv4-hook-forward.xml.i
index 08ee96419..9831498c9 100644
--- a/interface-definitions/include/firewall/ipv4-hook-forward.xml.i
+++ b/interface-definitions/include/firewall/ipv4-hook-forward.xml.i
@@ -10,6 +10,7 @@
       </properties>
       <children>
         #include <include/firewall/default-action-base-chains.xml.i>
+        #include <include/firewall/enable-default-log.xml.i>
         #include <include/generic-description.xml.i>
         <tagNode name="rule">
           <properties>
diff --git a/interface-definitions/include/firewall/ipv4-hook-input.xml.i b/interface-definitions/include/firewall/ipv4-hook-input.xml.i
index 32b0ec94f..22546640b 100644
--- a/interface-definitions/include/firewall/ipv4-hook-input.xml.i
+++ b/interface-definitions/include/firewall/ipv4-hook-input.xml.i
@@ -10,6 +10,7 @@
       </properties>
       <children>
         #include <include/firewall/default-action-base-chains.xml.i>
+        #include <include/firewall/enable-default-log.xml.i>
         #include <include/generic-description.xml.i>
         <tagNode name="rule">
           <properties>
diff --git a/interface-definitions/include/firewall/ipv4-hook-output.xml.i b/interface-definitions/include/firewall/ipv4-hook-output.xml.i
index d50d1e93b..80c30cdeb 100644
--- a/interface-definitions/include/firewall/ipv4-hook-output.xml.i
+++ b/interface-definitions/include/firewall/ipv4-hook-output.xml.i
@@ -10,6 +10,7 @@
       </properties>
       <children>
         #include <include/firewall/default-action-base-chains.xml.i>
+        #include <include/firewall/enable-default-log.xml.i>
         #include <include/generic-description.xml.i>
         <tagNode name="rule">
           <properties>
diff --git a/interface-definitions/include/firewall/ipv6-hook-forward.xml.i b/interface-definitions/include/firewall/ipv6-hook-forward.xml.i
index 20ab8dbe8..5c86871e5 100644
--- a/interface-definitions/include/firewall/ipv6-hook-forward.xml.i
+++ b/interface-definitions/include/firewall/ipv6-hook-forward.xml.i
@@ -10,6 +10,7 @@
       </properties>
       <children>
         #include <include/firewall/default-action-base-chains.xml.i>
+        #include <include/firewall/enable-default-log.xml.i>
         #include <include/generic-description.xml.i>
         <tagNode name="rule">
           <properties>
diff --git a/interface-definitions/include/firewall/ipv6-hook-input.xml.i b/interface-definitions/include/firewall/ipv6-hook-input.xml.i
index e34958f28..49d4493cc 100644
--- a/interface-definitions/include/firewall/ipv6-hook-input.xml.i
+++ b/interface-definitions/include/firewall/ipv6-hook-input.xml.i
@@ -10,6 +10,7 @@
       </properties>
       <children>
         #include <include/firewall/default-action-base-chains.xml.i>
+        #include <include/firewall/enable-default-log.xml.i>
         #include <include/generic-description.xml.i>
         <tagNode name="rule">
           <properties>
diff --git a/interface-definitions/include/firewall/ipv6-hook-output.xml.i b/interface-definitions/include/firewall/ipv6-hook-output.xml.i
index eb4ea7ac3..452b9027f 100644
--- a/interface-definitions/include/firewall/ipv6-hook-output.xml.i
+++ b/interface-definitions/include/firewall/ipv6-hook-output.xml.i
@@ -10,6 +10,7 @@
       </properties>
       <children>
         #include <include/firewall/default-action-base-chains.xml.i>
+        #include <include/firewall/enable-default-log.xml.i>
         #include <include/generic-description.xml.i>
         <tagNode name="rule">
           <properties>
diff --git a/python/vyos/firewall.py b/python/vyos/firewall.py
index 7de268a00..59e02a2f1 100644
--- a/python/vyos/firewall.py
+++ b/python/vyos/firewall.py
@@ -87,7 +87,13 @@ def nft_action(vyos_action):
 
 def parse_rule(rule_conf, hook, fw_name, rule_id, ip_name):
     output = []
-    def_suffix = '6' if ip_name == 'ip6' else ''
+    #def_suffix = '6' if ip_name == 'ip6' else ''
+    if ip_name == 'ip6':
+        def_suffix = '6'
+        family = 'ipv6'
+    else:
+        def_suffix = ''
+        family = 'bri' if ip_name == 'bri' else 'ipv4'
 
     if 'state' in rule_conf and rule_conf['state']:
         states = ",".join([s for s, v in rule_conf['state'].items() if v == 'enable'])
@@ -258,7 +264,8 @@ def parse_rule(rule_conf, hook, fw_name, rule_id, ip_name):
 
     if 'log' in rule_conf and rule_conf['log'] == 'enable':
         action = rule_conf['action'] if 'action' in rule_conf else 'accept'
-        output.append(f'log prefix "[{fw_name[:19]}-{rule_id}-{action[:1].upper()}]"')
+        #output.append(f'log prefix "[{fw_name[:19]}-{rule_id}-{action[:1].upper()}]"')
+        output.append(f'log prefix "[{family}-{hook}-{fw_name}-{rule_id}-{action[:1].upper()}]"')
 
         if 'log_options' in rule_conf:
 
diff --git a/python/vyos/template.py b/python/vyos/template.py
index e167488c6..320abe256 100644
--- a/python/vyos/template.py
+++ b/python/vyos/template.py
@@ -582,10 +582,11 @@ def nft_rule(rule_conf, fw_hook, fw_name, rule_id, ip_name='ip'):
 def nft_default_rule(fw_conf, fw_name, ipv6=False):
     output = ['counter']
     default_action = fw_conf['default_action']
+    family = 'ipv6' if ipv6 else 'ipv4'
 
     if 'enable_default_log' in fw_conf:
         action_suffix = default_action[:1].upper()
-        output.append(f'log prefix "[{fw_name[:19]}-default-{action_suffix}]"')
+        output.append(f'log prefix "[{family}-{fw_name[:19]}-default-{action_suffix}]"')
 
     #output.append(nft_action(default_action))
     output.append(f'{default_action}')
diff --git a/smoketest/scripts/cli/test_firewall.py b/smoketest/scripts/cli/test_firewall.py
index e8a122c8c..92aa71e38 100755
--- a/smoketest/scripts/cli/test_firewall.py
+++ b/smoketest/scripts/cli/test_firewall.py
@@ -226,6 +226,7 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
         self.cli_set(['firewall', 'ipv4', 'name', name, 'rule', '2', 'ttl', 'gt', '102'])
 
         self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'default-action', 'drop'])
+        self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'enable-default-log'])
         self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '3', 'action', 'accept'])
         self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '3', 'protocol', 'tcp'])
         self.cli_set(['firewall', 'ipv4', 'forward', 'filter', 'rule', '3', 'destination', 'port', '22'])
@@ -248,7 +249,8 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
         self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '6', 'protocol', 'gre'])
         self.cli_set(['firewall', 'ipv4', 'input', 'filter', 'rule', '6', 'connection-mark', conn_mark])
 
-        self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'default-action', 'accept'])
+        self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'default-action', 'drop'])
+        self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'enable-default-log'])
         self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'rule', '5', 'action', 'drop'])
         self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'rule', '5', 'protocol', 'gre'])
         self.cli_set(['firewall', 'ipv4', 'output', 'filter', 'rule', '5', 'outbound-interface', 'interface-name', interface_inv])
@@ -262,21 +264,23 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
 
         nftables_search = [
             ['chain VYOS_FORWARD_filter'],
-            ['type filter hook forward priority filter; policy drop;'],
+            ['type filter hook forward priority filter; policy accept;'],
             ['tcp dport 22', 'limit rate 5/minute', 'accept'],
             ['tcp dport 22', 'add @RECENT_FWD_filter_4 { ip saddr limit rate over 10/minute burst 10 packets }', 'meta pkttype host', 'drop'],
+            ['log prefix "[ipv4-FWD-filter-default-D]"','FWD-filter default-action drop', 'drop'],
             ['chain VYOS_INPUT_filter'],
             ['type filter hook input priority filter; policy accept;'],
             ['tcp flags & syn == syn', f'tcp option maxseg size {mss_range}', f'iifname "{interface_wc}"', 'meta pkttype broadcast', 'accept'],
             ['meta l4proto gre', f'ct mark {mark_hex}', 'return'],
+            ['INP-filter default-action accept', 'accept'],
             ['chain VYOS_OUTPUT_filter'],
             ['type filter hook output priority filter; policy accept;'],
             ['meta l4proto gre', f'oifname != "{interface}"', 'drop'],
             ['meta l4proto icmp', f'ct mark {mark_hex}', 'return'],
             ['chain NAME_smoketest'],
-            ['saddr 172.16.20.10', 'daddr 172.16.10.10', 'log prefix "[smoketest-1-A]" log level debug', 'ip ttl 15', 'accept'],
-            ['tcp flags syn / syn,ack', 'tcp dport 8888', 'log prefix "[smoketest-2-R]" log level err', 'ip ttl > 102', 'reject'],
-            ['log prefix "[smoketest-default-D]"','smoketest default-action', 'drop']
+            ['saddr 172.16.20.10', 'daddr 172.16.10.10', 'log prefix "[ipv4-NAM-smoketest-1-A]" log level debug', 'ip ttl 15', 'accept'],
+            ['tcp flags syn / syn,ack', 'tcp dport 8888', 'log prefix "[ipv4-NAM-smoketest-2-R]" log level err', 'ip ttl > 102', 'reject'],
+            ['log prefix "[ipv4-smoketest-default-D]"','smoketest default-action', 'drop']
         ]
 
         self.verify_nftables(nftables_search, 'ip vyos_filter')
@@ -324,16 +328,18 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
 
         nftables_search = [
             ['chain VYOS_FORWARD_filter'],
-            ['type filter hook forward priority filter; policy drop;'],
+            ['type filter hook forward priority filter; policy accept;'],
             ['ip saddr 198.51.100.1', f'jump NAME_{name}'],
+            ['FWD-filter default-action drop', 'drop'],
             ['chain VYOS_INPUT_filter'],
             ['type filter hook input priority filter; policy accept;'],
             [f'meta l4proto tcp','queue to 3'],
-            [f'meta l4proto udp','queue flags bypass,fanout to 0-15'],
+            ['meta l4proto udp','queue flags bypass,fanout to 0-15'],
+            ['INP-filter default-action accept', 'accept'],
             [f'chain NAME_{name}'],
-            ['ip length { 64, 512, 1024 }', 'ip dscp { 0x11, 0x34 }', f'log prefix "[{name}-6-A]" log group 66 snaplen 6666 queue-threshold 32000', 'accept'],
+            ['ip length { 64, 512, 1024 }', 'ip dscp { 0x11, 0x34 }', f'log prefix "[ipv4-NAM-{name}-6-A]" log group 66 snaplen 6666 queue-threshold 32000', 'accept'],
             ['ip length 1-30000', 'ip length != 60000-65535', 'ip dscp 0x03-0x0b', 'ip dscp != 0x15-0x19', 'accept'],
-            [f'log prefix "[{name}-default-D]"', 'drop']
+            [f'log prefix "[ipv4-{name}-default-D]"', 'drop']
         ]
 
         self.verify_nftables(nftables_search, 'ip vyos_filter')
@@ -384,12 +390,14 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
         self.cli_set(['firewall', 'ipv6', 'name', name, 'rule', '1', 'log-options', 'level', 'crit'])
 
         self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'default-action', 'accept'])
+        self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'enable-default-log'])
         self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '2', 'action', 'reject'])
         self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '2', 'protocol', 'tcp_udp'])
         self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '2', 'destination', 'port', '8888'])
         self.cli_set(['firewall', 'ipv6', 'forward', 'filter', 'rule', '2', 'inbound-interface', 'interface-name', interface])
 
         self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'default-action', 'drop'])
+        self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'enable-default-log'])
         self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'rule', '3', 'action', 'return'])
         self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'rule', '3', 'protocol', 'gre'])
         self.cli_set(['firewall', 'ipv6', 'output', 'filter', 'rule', '3', 'outbound-interface', 'interface-name', interface])
@@ -405,15 +413,18 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
             ['chain VYOS_IPV6_FORWARD_filter'],
             ['type filter hook forward priority filter; policy accept;'],
             ['meta l4proto { tcp, udp }', 'th dport 8888', f'iifname "{interface}"', 'reject'],
+            ['log prefix "[ipv6-FWD-filter-default-A]"','FWD-filter default-action accept', 'accept'],
             ['chain VYOS_IPV6_INPUT_filter'],
             ['type filter hook input priority filter; policy accept;'],
             ['meta l4proto udp', 'ip6 saddr 2002::1:2', f'iifname "{interface}"', 'accept'],
+            ['INP-filter default-action accept', 'accept'],
             ['chain VYOS_IPV6_OUTPUT_filter'],
-            ['type filter hook output priority filter; policy drop;'],
+            ['type filter hook output priority filter; policy accept;'],
             ['meta l4proto gre', f'oifname "{interface}"', 'return'],
+            ['log prefix "[ipv6-OUT-filter-default-D]"','OUT-filter default-action drop', 'drop'],
             [f'chain NAME6_{name}'],
-            ['saddr 2002::1', 'daddr 2002::1:1', 'log prefix "[v6-smoketest-1-A]" log level crit', 'accept'],
-            [f'"{name} default-action drop"', f'log prefix "[{name}-default-D]"', 'drop']
+            ['saddr 2002::1', 'daddr 2002::1:1', 'log prefix "[ipv6-NAM-v6-smoketest-1-A]" log level crit', 'accept'],
+            [f'"{name} default-action drop"', f'log prefix "[ipv6-{name}-default-D]"', 'drop']
         ]
 
         self.verify_nftables(nftables_search, 'ip6 vyos_filter')
@@ -455,7 +466,7 @@ class TestFirewall(VyOSUnitTestSHIM.TestCase):
             ['ip6 saddr 2001:db8::/64', f'jump NAME6_{name}'],
             [f'chain NAME6_{name}'],
             ['ip6 length { 65, 513, 1025 }', 'ip6 dscp { af21, 0x35 }', 'accept'],
-            [f'log prefix "[{name}-default-D]"', 'drop']
+            [f'log prefix "[ipv6-{name}-default-D]"', 'drop']
         ]
 
         self.verify_nftables(nftables_search, 'ip6 vyos_filter')
diff --git a/smoketest/scripts/cli/test_policy_route.py b/smoketest/scripts/cli/test_policy_route.py
index d9b64544a..118b1d3a2 100755
--- a/smoketest/scripts/cli/test_policy_route.py
+++ b/smoketest/scripts/cli/test_policy_route.py
@@ -250,7 +250,7 @@ class TestPolicyRoute(VyOSUnitTestSHIM.TestCase):
             ['meta l4proto udp', 'drop'],
             ['tcp flags syn / syn,ack', 'meta mark set ' + mark_hex],
             ['ct state new', 'tcp dport 22', 'ip saddr 198.51.100.0/24', 'ip ttl > 2', 'meta mark set ' + mark_hex],
-            ['meta l4proto icmp', 'log prefix "[smoketest-4-A]"', 'icmp type echo-request', 'ip length { 128, 1024-2048 }', 'meta pkttype other', 'meta mark set ' + mark_hex],
+            ['meta l4proto icmp', 'log prefix "[ipv4-route-smoketest-4-A]"', 'icmp type echo-request', 'ip length { 128, 1024-2048 }', 'meta pkttype other', 'meta mark set ' + mark_hex],
             ['ip dscp { 0x29, 0x39-0x3b }', 'meta mark set ' + mark_hex]
         ]
 
@@ -262,7 +262,7 @@ class TestPolicyRoute(VyOSUnitTestSHIM.TestCase):
             ['meta l4proto udp', 'drop'],
             ['tcp flags syn / syn,ack', 'meta mark set ' + mark_hex],
             ['ct state new', 'tcp dport 22', 'ip6 saddr 2001:db8::/64', 'ip6 hoplimit > 2', 'meta mark set ' + mark_hex],
-            ['meta l4proto ipv6-icmp', 'log prefix "[smoketest6-4-A]"', 'icmpv6 type echo-request', 'ip6 length != { 128, 1024-2048 }', 'meta pkttype multicast', 'meta mark set ' + mark_hex],
+            ['meta l4proto ipv6-icmp', 'log prefix "[ipv6-route6-smoketest6-4-A]"', 'icmpv6 type echo-request', 'ip6 length != { 128, 1024-2048 }', 'meta pkttype multicast', 'meta mark set ' + mark_hex],
             ['ip6 dscp != { 0x0e-0x13, 0x3d }', 'meta mark set ' + mark_hex]
         ]