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authorChristian Poessinger <christian@poessinger.com>2021-05-26 00:01:45 +0200
committerChristian Poessinger <christian@poessinger.com>2021-05-26 00:01:45 +0200
commit1534070b0d555d5da2a7e96bfe129843ad00fc40 (patch)
tree3187ced1fe77de948326a5a4b971f8291fd6c92d /docs
parent274b4dc65f4323b0dd046f71cee5310c9b230095 (diff)
downloadvyos-documentation-1534070b0d555d5da2a7e96bfe129843ad00fc40.tar.gz
vyos-documentation-1534070b0d555d5da2a7e96bfe129843ad00fc40.zip
bgp: adjust to new CLI syntax where local-as is an individual leafNode
Diffstat (limited to 'docs')
-rw-r--r--docs/automation/command-scripting.rst3
-rw-r--r--docs/configexamples/azure-vpn-bgp.rst11
-rw-r--r--docs/configexamples/azure-vpn-dual-bgp.rst21
-rw-r--r--docs/configexamples/bgp-ipv6-unnumbered.rst58
-rw-r--r--docs/configexamples/ha.rst21
-rw-r--r--docs/configuration/policy/index.rst5
-rw-r--r--docs/configuration/protocols/bfd.rst10
-rw-r--r--docs/configuration/protocols/bgp.rst77
8 files changed, 112 insertions, 94 deletions
diff --git a/docs/automation/command-scripting.rst b/docs/automation/command-scripting.rst
index 7d0ab6c5..6bc6690c 100644
--- a/docs/automation/command-scripting.rst
+++ b/docs/automation/command-scripting.rst
@@ -26,7 +26,8 @@ example, if you want to disable a BGP peer on VRRP transition to backup:
#!/bin/vbash
source /opt/vyatta/etc/functions/script-template
configure
- set protocols bgp 65536 neighbor 192.168.2.1 shutdown
+ set protocols bgp local-as 65536
+ set protocols bgp neighbor 192.168.2.1 shutdown
commit
exit
diff --git a/docs/configexamples/azure-vpn-bgp.rst b/docs/configexamples/azure-vpn-bgp.rst
index 1d61b3b8..c40e1b76 100644
--- a/docs/configexamples/azure-vpn-bgp.rst
+++ b/docs/configexamples/azure-vpn-bgp.rst
@@ -120,13 +120,14 @@ Vyos configuration
.. code-block:: none
- set protocols bgp 64499 neighbor 10.0.0.4 remote-as '65540'
- set protocols bgp 64499 neighbor 10.0.0.4 address-family ipv4-unicast soft-reconfiguration 'inbound'
- set protocols bgp 64499 neighbor 10.0.0.4 timers holdtime '30'
- set protocols bgp 64499 neighbor 10.0.0.4 timers keepalive '10'
+ set protocols bgp local-as 64499
+ set protocols bgp neighbor 10.0.0.4 remote-as '65540'
+ set protocols bgp neighbor 10.0.0.4 address-family ipv4-unicast soft-reconfiguration 'inbound'
+ set protocols bgp neighbor 10.0.0.4 timers holdtime '30'
+ set protocols bgp neighbor 10.0.0.4 timers keepalive '10'
- **Important**: Disable connected check \
.. code-block:: none
- set protocols bgp 64499 neighbor 10.0.0.4 disable-connected-check
+ set protocols bgp neighbor 10.0.0.4 disable-connected-check
diff --git a/docs/configexamples/azure-vpn-dual-bgp.rst b/docs/configexamples/azure-vpn-dual-bgp.rst
index 0a48156c..6df5d2ff 100644
--- a/docs/configexamples/azure-vpn-dual-bgp.rst
+++ b/docs/configexamples/azure-vpn-dual-bgp.rst
@@ -136,20 +136,21 @@ Vyos configuration
.. code-block:: none
- set protocols bgp 64499 neighbor 10.0.0.4 remote-as '65540'
- set protocols bgp 64499 neighbor 10.0.0.4 address-family ipv4-unicast soft-reconfiguration 'inbound'
- set protocols bgp 64499 neighbor 10.0.0.4 timers holdtime '30'
- set protocols bgp 64499 neighbor 10.0.0.4 timers keepalive '10'
+ set protocols bgp local-as 64499
+ set protocols bgp neighbor 10.0.0.4 remote-as '65540'
+ set protocols bgp neighbor 10.0.0.4 address-family ipv4-unicast soft-reconfiguration 'inbound'
+ set protocols bgp neighbor 10.0.0.4 timers holdtime '30'
+ set protocols bgp neighbor 10.0.0.4 timers keepalive '10'
- set protocols bgp 64499 neighbor 10.0.0.5 remote-as '65540'
- set protocols bgp 64499 neighbor 10.0.0.5 address-family ipv4-unicast soft-reconfiguration 'inbound'
- set protocols bgp 64499 neighbor 10.0.0.5 timers holdtime '30'
- set protocols bgp 64499 neighbor 10.0.0.5 timers keepalive '10'
+ set protocols bgp neighbor 10.0.0.5 remote-as '65540'
+ set protocols bgp neighbor 10.0.0.5 address-family ipv4-unicast soft-reconfiguration 'inbound'
+ set protocols bgp neighbor 10.0.0.5 timers holdtime '30'
+ set protocols bgp neighbor 10.0.0.5 timers keepalive '10'
- **Important**: Disable connected check, otherwise the routes learned
from Azure will not be imported into the routing table.
.. code-block:: none
- set protocols bgp 64499 neighbor 10.0.0.4 disable-connected-check
- set protocols bgp 64499 neighbor 10.0.0.5 disable-connected-check
+ set protocols bgp neighbor 10.0.0.4 disable-connected-check
+ set protocols bgp neighbor 10.0.0.5 disable-connected-check
diff --git a/docs/configexamples/bgp-ipv6-unnumbered.rst b/docs/configexamples/bgp-ipv6-unnumbered.rst
index fe4430ae..12ce2bd6 100644
--- a/docs/configexamples/bgp-ipv6-unnumbered.rst
+++ b/docs/configexamples/bgp-ipv6-unnumbered.rst
@@ -13,39 +13,41 @@ Configuration
.. code-block:: none
- set protocols bgp 64496 address-family ipv4-unicast redistribute connected
- set protocols bgp 64496 address-family ipv6-unicast redistribute connected
- set protocols bgp 64496 neighbor eth1 interface v6only
- set protocols bgp 64496 neighbor eth1 interface v6only peer-group 'fabric'
- set protocols bgp 64496 neighbor eth2 interface v6only
- set protocols bgp 64496 neighbor eth2 interface v6only peer-group 'fabric'
- set protocols bgp 64496 parameters bestpath as-path multipath-relax
- set protocols bgp 64496 parameters bestpath compare-routerid
- set protocols bgp 64496 parameters default no-ipv4-unicast
- set protocols bgp 64496 parameters router-id '192.168.0.1'
- set protocols bgp 64496 peer-group fabric address-family ipv4-unicast
- set protocols bgp 64496 peer-group fabric address-family ipv6-unicast
- set protocols bgp 64496 peer-group fabric capability extended-nexthop
- set protocols bgp 64496 peer-group fabric remote-as 'external'
+ set protocols bgp local-as 64496
+ set protocols bgp address-family ipv4-unicast redistribute connected
+ set protocols bgp address-family ipv6-unicast redistribute connected
+ set protocols bgp neighbor eth1 interface v6only
+ set protocols bgp neighbor eth1 interface v6only peer-group 'fabric'
+ set protocols bgp neighbor eth2 interface v6only
+ set protocols bgp neighbor eth2 interface v6only peer-group 'fabric'
+ set protocols bgp parameters bestpath as-path multipath-relax
+ set protocols bgp parameters bestpath compare-routerid
+ set protocols bgp parameters default no-ipv4-unicast
+ set protocols bgp parameters router-id '192.168.0.1'
+ set protocols bgp peer-group fabric address-family ipv4-unicast
+ set protocols bgp peer-group fabric address-family ipv6-unicast
+ set protocols bgp peer-group fabric capability extended-nexthop
+ set protocols bgp peer-group fabric remote-as 'external'
- Router B:
.. code-block:: none
- set protocols bgp 64499 address-family ipv4-unicast redistribute connected
- set protocols bgp 64499 address-family ipv6-unicast redistribute connected
- set protocols bgp 64499 neighbor eth1 interface v6only
- set protocols bgp 64499 neighbor eth1 interface v6only peer-group 'fabric'
- set protocols bgp 64499 neighbor eth2 interface v6only
- set protocols bgp 64499 neighbor eth2 interface v6only peer-group 'fabric'
- set protocols bgp 64499 parameters bestpath as-path multipath-relax
- set protocols bgp 64499 parameters bestpath compare-routerid
- set protocols bgp 64499 parameters default no-ipv4-unicast
- set protocols bgp 64499 parameters router-id '192.168.0.2'
- set protocols bgp 64499 peer-group fabric address-family ipv4-unicast
- set protocols bgp 64499 peer-group fabric address-family ipv6-unicast
- set protocols bgp 64499 peer-group fabric capability extended-nexthop
- set protocols bgp 64499 peer-group fabric remote-as 'external'
+ set protocols bgp local-as 64499
+ set protocols bgp address-family ipv4-unicast redistribute connected
+ set protocols bgp address-family ipv6-unicast redistribute connected
+ set protocols bgp neighbor eth1 interface v6only
+ set protocols bgp neighbor eth1 interface v6only peer-group 'fabric'
+ set protocols bgp neighbor eth2 interface v6only
+ set protocols bgp neighbor eth2 interface v6only peer-group 'fabric'
+ set protocols bgp parameters bestpath as-path multipath-relax
+ set protocols bgp parameters bestpath compare-routerid
+ set protocols bgp parameters default no-ipv4-unicast
+ set protocols bgp parameters router-id '192.168.0.2'
+ set protocols bgp peer-group fabric address-family ipv4-unicast
+ set protocols bgp peer-group fabric address-family ipv6-unicast
+ set protocols bgp peer-group fabric capability extended-nexthop
+ set protocols bgp peer-group fabric remote-as 'external'
Results
=======
diff --git a/docs/configexamples/ha.rst b/docs/configexamples/ha.rst
index 48d093c9..aa184d09 100644
--- a/docs/configexamples/ha.rst
+++ b/docs/configexamples/ha.rst
@@ -6,7 +6,7 @@ This document walks you through a complete HA setup of two VyOS machines. This
design is based on a VM as the primary router, and a physical machine as a
backup, using VRRP, BGP, OSPF and conntrack sharing.
-The aim of this document is to walk you through setting everything up, so
+The aim of this document is to walk you through setting everything up, so
at a point where you can reboot any machine and not lose more than a few
seconds worth of connectivity.
@@ -555,6 +555,7 @@ it is not 203.0.113.0/24.
set policy prefix-list BGPOUT rule 100 prefix '203.0.113.0/24'
set policy prefix-list BGPOUT rule 10000 action 'deny'
set policy prefix-list BGPOUT rule 10000 prefix '0.0.0.0/0'
+
set policy route-map BGPOUT description 'BGP Export Filter'
set policy route-map BGPOUT rule 10 action 'permit'
set policy route-map BGPOUT rule 10 match ip address prefix-list 'BGPOUT'
@@ -564,14 +565,16 @@ it is not 203.0.113.0/24.
set policy route-map BGPPREPENDOUT rule 10 set as-path-prepend '65551 65551 65551'
set policy route-map BGPPREPENDOUT rule 10 match ip address prefix-list 'BGPOUT'
set policy route-map BGPPREPENDOUT rule 10000 action 'deny'
- set protocols bgp 65551 address-family ipv4-unicast network 192.0.2.0/24
- set protocols bgp 65551 address-family ipv4-unicast redistribute connected metric '50'
- set protocols bgp 65551 address-family ipv4-unicast redistribute ospf metric '50'
- set protocols bgp 65551 neighbor 192.0.2.11 address-family ipv4-unicast route-map export 'BGPOUT'
- set protocols bgp 65551 neighbor 192.0.2.11 address-family ipv4-unicast soft-reconfiguration inbound
- set protocols bgp 65551 neighbor 192.0.2.11 remote-as '65550'
- set protocols bgp 65551 neighbor 192.0.2.11 update-source '192.0.2.21'
- set protocols bgp 65551 parameters router-id '192.0.2.21'
+
+ set protocols bgp local-as 65551
+ set protocols bgp address-family ipv4-unicast network 192.0.2.0/24
+ set protocols bgp address-family ipv4-unicast redistribute connected metric '50'
+ set protocols bgp address-family ipv4-unicast redistribute ospf metric '50'
+ set protocols bgp neighbor 192.0.2.11 address-family ipv4-unicast route-map export 'BGPOUT'
+ set protocols bgp neighbor 192.0.2.11 address-family ipv4-unicast soft-reconfiguration inbound
+ set protocols bgp neighbor 192.0.2.11 remote-as '65550'
+ set protocols bgp neighbor 192.0.2.11 update-source '192.0.2.21'
+ set protocols bgp parameters router-id '192.0.2.21'
**router2**
diff --git a/docs/configuration/policy/index.rst b/docs/configuration/policy/index.rst
index c772306f..7a329500 100644
--- a/docs/configuration/policy/index.rst
+++ b/docs/configuration/policy/index.rst
@@ -27,8 +27,9 @@ Example
set policy route-map setmet rule 2 set as-path-prepend '2 2 2'
# Apply policy to BGP
- set protocols bgp 1 neighbor 203.0.113.2 address-family ipv4-unicast route-map import 'setmet'
- set protocols bgp 1 neighbor 203.0.113.2 address-family ipv4-unicast soft-reconfiguration 'inbound'
+ set protocols bgp local-as 1
+ set protocols bgp neighbor 203.0.113.2 address-family ipv4-unicast route-map import 'setmet'
+ set protocols bgp neighbor 203.0.113.2 address-family ipv4-unicast soft-reconfiguration 'inbound'
Using 'soft-reconfiguration' we get the policy update without bouncing the
neighbor.
diff --git a/docs/configuration/protocols/bfd.rst b/docs/configuration/protocols/bfd.rst
index 8d19334c..e5153667 100644
--- a/docs/configuration/protocols/bfd.rst
+++ b/docs/configuration/protocols/bfd.rst
@@ -10,7 +10,7 @@ BFD
the following RFCs: :rfc:`5880`, :rfc:`5881` and :rfc:`5883`.
In the age of very fast networks, a second of unreachability may equal millions of lost packets.
-The idea behind BFD is to detect very quickly when a peer is down and take action extremely fast.
+The idea behind BFD is to detect very quickly when a peer is down and take action extremely fast.
BFD sends lots of small UDP packets very quickly to ensures that the peer is still alive.
@@ -31,7 +31,7 @@ Configure BFD
Allow this BFD peer to not be directly connected
-.. cfgcmd:: set protocols bfd peer <address> source
+.. cfgcmd:: set protocols bfd peer <address> source
[address <address> | interface <interface>]
Bind listener to specifid interface/address, mandatory for IPv6
@@ -45,7 +45,7 @@ Configure BFD
Remote transmission interval will be multiplied by this value
-.. cfgcmd:: set protocols bfd peer <address> interval
+.. cfgcmd:: set protocols bfd peer <address> interval
[receive | transmit] <10-60000>
Interval in milliseconds
@@ -58,11 +58,11 @@ Configure BFD
Enable BFD in BGP
-----------------
-.. cfgcmd:: set protocols bgp <asn> neighbor <address> bfd
+.. cfgcmd:: set protocols bgp neighbor <neighbor> bfd
Enable BFD on a single BGP neighbor
-.. cfgcmd:: set protocols bgp <asn> peer-group <group> bfd
+.. cfgcmd:: set protocols bgp peer-group <neighbor> bfd
Enable BFD on a BGP peer group
diff --git a/docs/configuration/protocols/bgp.rst b/docs/configuration/protocols/bgp.rst
index 2ef7c247..f1f15f38 100644
--- a/docs/configuration/protocols/bgp.rst
+++ b/docs/configuration/protocols/bgp.rst
@@ -897,15 +897,14 @@ between these sub-ASes we use something that looks like EBGP but behaves like
IBGP (called confederation BGP). Confederation mechanism is described in
:rfc:`5065`
-.. cfgcmd:: set protocols bgp <subasn> parameters confederation identifier
+.. cfgcmd:: set protocols bgp parameters confederation identifier
<asn>
This command specifies a BGP confederation identifier. <asn> is the number
of the autonomous system that internally includes multiple sub-autonomous
- systems (a confederation). <subasn> is the number sub-autonomous system
- inside <asn>.
+ systems (a confederation).
-.. cfgcmd:: set protocols bgp <subasn> parameters confederation confederation
+.. cfgcmd:: set protocols bgp parameters confederation confederation
peers <nsubasn>
This command sets other confederations <nsubasn> as members of autonomous
@@ -1070,21 +1069,23 @@ A simple eBGP configuration:
.. code-block:: none
- set protocols bgp 65534 neighbor 192.168.0.2 ebgp-multihop '2'
- set protocols bgp 65534 neighbor 192.168.0.2 remote-as '65535'
- set protocols bgp 65534 neighbor 192.168.0.2 update-source '192.168.0.1'
- set protocols bgp 65534 address-family ipv4-unicast network '172.16.0.0/16'
- set protocols bgp 65534 parameters router-id '192.168.0.1'
+ set protocols bgp local-as 65534
+ set protocols bgp neighbor 192.168.0.2 ebgp-multihop '2'
+ set protocols bgp neighbor 192.168.0.2 remote-as '65535'
+ set protocols bgp neighbor 192.168.0.2 update-source '192.168.0.1'
+ set protocols bgp address-family ipv4-unicast network '172.16.0.0/16'
+ set protocols bgp parameters router-id '192.168.0.1'
**Node 2:**
.. code-block:: none
- set protocols bgp 65535 neighbor 192.168.0.1 ebgp-multihop '2'
- set protocols bgp 65535 neighbor 192.168.0.1 remote-as '65534'
- set protocols bgp 65535 neighbor 192.168.0.1 update-source '192.168.0.2'
- set protocols bgp 65535 address-family ipv4-unicast network '172.17.0.0/16'
- set protocols bgp 65535 parameters router-id '192.168.0.2'
+ set protocols bgp local-as 65535
+ set protocols bgp neighbor 192.168.0.1 ebgp-multihop '2'
+ set protocols bgp neighbor 192.168.0.1 remote-as '65534'
+ set protocols bgp neighbor 192.168.0.1 update-source '192.168.0.2'
+ set protocols bgp address-family ipv4-unicast network '172.17.0.0/16'
+ set protocols bgp parameters router-id '192.168.0.2'
Don't forget, the CIDR declared in the network statement MUST **exist in your
@@ -1113,23 +1114,25 @@ A simple BGP configuration via IPv6.
.. code-block:: none
- set protocols bgp 65534 neighbor 2001:db8::2 ebgp-multihop '2'
- set protocols bgp 65534 neighbor 2001:db8::2 remote-as '65535'
- set protocols bgp 65534 neighbor 2001:db8::2 update-source '2001:db8::1'
- set protocols bgp 65534 neighbor 2001:db8::2 address-family ipv6-unicast
- set protocols bgp 65534 address-family ipv6-unicast network '2001:db8:1::/48'
- set protocols bgp 65534 parameters router-id '10.1.1.1'
+ set protocols bgp local-as 65534
+ set protocols bgp neighbor 2001:db8::2 ebgp-multihop '2'
+ set protocols bgp neighbor 2001:db8::2 remote-as '65535'
+ set protocols bgp neighbor 2001:db8::2 update-source '2001:db8::1'
+ set protocols bgp neighbor 2001:db8::2 address-family ipv6-unicast
+ set protocols bgp address-family ipv6-unicast network '2001:db8:1::/48'
+ set protocols bgp parameters router-id '10.1.1.1'
**Node 2:**
.. code-block:: none
- set protocols bgp 65535 neighbor 2001:db8::1 ebgp-multihop '2'
- set protocols bgp 65535 neighbor 2001:db8::1 remote-as '65534'
- set protocols bgp 65535 neighbor 2001:db8::1 update-source '2001:db8::2'
- set protocols bgp 65535 neighbor 2001:db8::1 address-family ipv6-unicast
- set protocols bgp 65535 address-family ipv6-unicast network '2001:db8:2::/48'
- set protocols bgp 65535 parameters router-id '10.1.1.2'
+ set protocols bgp local-as 65535
+ set protocols bgp neighbor 2001:db8::1 ebgp-multihop '2'
+ set protocols bgp neighbor 2001:db8::1 remote-as '65534'
+ set protocols bgp neighbor 2001:db8::1 update-source '2001:db8::2'
+ set protocols bgp neighbor 2001:db8::1 address-family ipv6-unicast
+ set protocols bgp address-family ipv6-unicast network '2001:db8:2::/48'
+ set protocols bgp parameters router-id '10.1.1.2'
Don't forget, the CIDR declared in the network statement **MUST exist in your
routing table (dynamic or static), the best way to make sure that is true is
@@ -1164,6 +1167,7 @@ Route filter can be applied using a route-map:
set policy prefix-list6 AS65535-IN rule 10 prefix '2001:db8:2::/48'
set policy prefix-list6 AS65535-OUT rule 10 action 'deny'
set policy prefix-list6 AS65535-OUT rule 10 prefix '2001:db8:2::/48'
+
set policy route-map AS65535-IN rule 10 action 'permit'
set policy route-map AS65535-IN rule 10 match ip address prefix-list 'AS65535-IN'
set policy route-map AS65535-IN rule 10 match ipv6 address prefix-list 'AS65535-IN'
@@ -1172,10 +1176,12 @@ Route filter can be applied using a route-map:
set policy route-map AS65535-OUT rule 10 match ip address prefix-list 'AS65535-OUT'
set policy route-map AS65535-OUT rule 10 match ipv6 address prefix-list 'AS65535-OUT'
set policy route-map AS65535-OUT rule 20 action 'permit'
- set protocols bgp 65534 neighbor 2001:db8::2 address-family ipv4-unicast route-map export 'AS65535-OUT'
- set protocols bgp 65534 neighbor 2001:db8::2 address-family ipv4-unicast route-map import 'AS65535-IN'
- set protocols bgp 65534 neighbor 2001:db8::2 address-family ipv6-unicast route-map export 'AS65535-OUT'
- set protocols bgp 65534 neighbor 2001:db8::2 address-family ipv6-unicast route-map import 'AS65535-IN'
+
+ set protocols bgp local-as 65534
+ set protocols bgp neighbor 2001:db8::2 address-family ipv4-unicast route-map export 'AS65535-OUT'
+ set protocols bgp neighbor 2001:db8::2 address-family ipv4-unicast route-map import 'AS65535-IN'
+ set protocols bgp neighbor 2001:db8::2 address-family ipv6-unicast route-map export 'AS65535-OUT'
+ set protocols bgp neighbor 2001:db8::2 address-family ipv6-unicast route-map import 'AS65535-IN'
**Node2:**
@@ -1189,6 +1195,7 @@ Route filter can be applied using a route-map:
set policy prefix-list6 AS65534-IN rule 10 prefix '2001:db8:1::/48'
set policy prefix-list6 AS65534-OUT rule 10 action 'deny'
set policy prefix-list6 AS65534-OUT rule 10 prefix '2001:db8:1::/48'
+
set policy route-map AS65534-IN rule 10 action 'permit'
set policy route-map AS65534-IN rule 10 match ip address prefix-list 'AS65534-IN'
set policy route-map AS65534-IN rule 10 match ipv6 address prefix-list 'AS65534-IN'
@@ -1197,10 +1204,12 @@ Route filter can be applied using a route-map:
set policy route-map AS65534-OUT rule 10 match ip address prefix-list 'AS65534-OUT'
set policy route-map AS65534-OUT rule 10 match ipv6 address prefix-list 'AS65534-OUT'
set policy route-map AS65534-OUT rule 20 action 'permit'
- set protocols bgp 65535 neighbor 2001:db8::1 address-family ipv4-unicast route-map export 'AS65534-OUT'
- set protocols bgp 65535 neighbor 2001:db8::1 address-family ipv4-unicast route-map import 'AS65534-IN'
- set protocols bgp 65535 neighbor 2001:db8::1 address-family ipv6-unicast route-map export 'AS65534-OUT'
- set protocols bgp 65535 neighbor 2001:db8::1 address-family ipv6-unicast route-map import 'AS65534-IN'
+
+ set protocols bgp local-as 65535
+ set protocols bgp neighbor 2001:db8::1 address-family ipv4-unicast route-map export 'AS65534-OUT'
+ set protocols bgp neighbor 2001:db8::1 address-family ipv4-unicast route-map import 'AS65534-IN'
+ set protocols bgp neighbor 2001:db8::1 address-family ipv6-unicast route-map export 'AS65534-OUT'
+ set protocols bgp neighbor 2001:db8::1 address-family ipv6-unicast route-map import 'AS65534-IN'
We could expand on this and also deny link local and multicast in the rule 20
action deny.