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bgp: adjust to new CLI syntax where local-as is an individual leafNode
This commit is contained in:
Christian Poessinger
parent
274b4dc65f
commit
1534070b0d
@ -26,7 +26,8 @@ example, if you want to disable a BGP peer on VRRP transition to backup:
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#!/bin/vbash
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source /opt/vyatta/etc/functions/script-template
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configure
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set protocols bgp 65536 neighbor 192.168.2.1 shutdown
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set protocols bgp local-as 65536
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set protocols bgp neighbor 192.168.2.1 shutdown
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commit
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exit
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@ -120,13 +120,14 @@ Vyos configuration
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.. code-block:: none
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set protocols bgp 64499 neighbor 10.0.0.4 remote-as '65540'
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set protocols bgp 64499 neighbor 10.0.0.4 address-family ipv4-unicast soft-reconfiguration 'inbound'
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set protocols bgp 64499 neighbor 10.0.0.4 timers holdtime '30'
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set protocols bgp 64499 neighbor 10.0.0.4 timers keepalive '10'
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set protocols bgp local-as 64499
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set protocols bgp neighbor 10.0.0.4 remote-as '65540'
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set protocols bgp neighbor 10.0.0.4 address-family ipv4-unicast soft-reconfiguration 'inbound'
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set protocols bgp neighbor 10.0.0.4 timers holdtime '30'
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set protocols bgp neighbor 10.0.0.4 timers keepalive '10'
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- **Important**: Disable connected check \
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.. code-block:: none
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set protocols bgp 64499 neighbor 10.0.0.4 disable-connected-check
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set protocols bgp neighbor 10.0.0.4 disable-connected-check
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@ -136,20 +136,21 @@ Vyos configuration
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.. code-block:: none
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set protocols bgp 64499 neighbor 10.0.0.4 remote-as '65540'
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set protocols bgp 64499 neighbor 10.0.0.4 address-family ipv4-unicast soft-reconfiguration 'inbound'
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set protocols bgp 64499 neighbor 10.0.0.4 timers holdtime '30'
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set protocols bgp 64499 neighbor 10.0.0.4 timers keepalive '10'
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set protocols bgp local-as 64499
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set protocols bgp neighbor 10.0.0.4 remote-as '65540'
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set protocols bgp neighbor 10.0.0.4 address-family ipv4-unicast soft-reconfiguration 'inbound'
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set protocols bgp neighbor 10.0.0.4 timers holdtime '30'
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set protocols bgp neighbor 10.0.0.4 timers keepalive '10'
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set protocols bgp 64499 neighbor 10.0.0.5 remote-as '65540'
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set protocols bgp 64499 neighbor 10.0.0.5 address-family ipv4-unicast soft-reconfiguration 'inbound'
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set protocols bgp 64499 neighbor 10.0.0.5 timers holdtime '30'
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set protocols bgp 64499 neighbor 10.0.0.5 timers keepalive '10'
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set protocols bgp neighbor 10.0.0.5 remote-as '65540'
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set protocols bgp neighbor 10.0.0.5 address-family ipv4-unicast soft-reconfiguration 'inbound'
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set protocols bgp neighbor 10.0.0.5 timers holdtime '30'
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set protocols bgp neighbor 10.0.0.5 timers keepalive '10'
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- **Important**: Disable connected check, otherwise the routes learned
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from Azure will not be imported into the routing table.
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.. code-block:: none
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set protocols bgp 64499 neighbor 10.0.0.4 disable-connected-check
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set protocols bgp 64499 neighbor 10.0.0.5 disable-connected-check
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set protocols bgp neighbor 10.0.0.4 disable-connected-check
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set protocols bgp neighbor 10.0.0.5 disable-connected-check
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@ -13,39 +13,41 @@ Configuration
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.. code-block:: none
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set protocols bgp 64496 address-family ipv4-unicast redistribute connected
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set protocols bgp 64496 address-family ipv6-unicast redistribute connected
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set protocols bgp 64496 neighbor eth1 interface v6only
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set protocols bgp 64496 neighbor eth1 interface v6only peer-group 'fabric'
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set protocols bgp 64496 neighbor eth2 interface v6only
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set protocols bgp 64496 neighbor eth2 interface v6only peer-group 'fabric'
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set protocols bgp 64496 parameters bestpath as-path multipath-relax
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set protocols bgp 64496 parameters bestpath compare-routerid
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set protocols bgp 64496 parameters default no-ipv4-unicast
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set protocols bgp 64496 parameters router-id '192.168.0.1'
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set protocols bgp 64496 peer-group fabric address-family ipv4-unicast
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set protocols bgp 64496 peer-group fabric address-family ipv6-unicast
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set protocols bgp 64496 peer-group fabric capability extended-nexthop
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set protocols bgp 64496 peer-group fabric remote-as 'external'
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set protocols bgp local-as 64496
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set protocols bgp address-family ipv4-unicast redistribute connected
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set protocols bgp address-family ipv6-unicast redistribute connected
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set protocols bgp neighbor eth1 interface v6only
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set protocols bgp neighbor eth1 interface v6only peer-group 'fabric'
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set protocols bgp neighbor eth2 interface v6only
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set protocols bgp neighbor eth2 interface v6only peer-group 'fabric'
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set protocols bgp parameters bestpath as-path multipath-relax
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set protocols bgp parameters bestpath compare-routerid
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set protocols bgp parameters default no-ipv4-unicast
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set protocols bgp parameters router-id '192.168.0.1'
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set protocols bgp peer-group fabric address-family ipv4-unicast
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set protocols bgp peer-group fabric address-family ipv6-unicast
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set protocols bgp peer-group fabric capability extended-nexthop
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set protocols bgp peer-group fabric remote-as 'external'
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- Router B:
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.. code-block:: none
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set protocols bgp 64499 address-family ipv4-unicast redistribute connected
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set protocols bgp 64499 address-family ipv6-unicast redistribute connected
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set protocols bgp 64499 neighbor eth1 interface v6only
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set protocols bgp 64499 neighbor eth1 interface v6only peer-group 'fabric'
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set protocols bgp 64499 neighbor eth2 interface v6only
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set protocols bgp 64499 neighbor eth2 interface v6only peer-group 'fabric'
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set protocols bgp 64499 parameters bestpath as-path multipath-relax
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set protocols bgp 64499 parameters bestpath compare-routerid
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set protocols bgp 64499 parameters default no-ipv4-unicast
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set protocols bgp 64499 parameters router-id '192.168.0.2'
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set protocols bgp 64499 peer-group fabric address-family ipv4-unicast
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set protocols bgp 64499 peer-group fabric address-family ipv6-unicast
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set protocols bgp 64499 peer-group fabric capability extended-nexthop
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set protocols bgp 64499 peer-group fabric remote-as 'external'
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set protocols bgp local-as 64499
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set protocols bgp address-family ipv4-unicast redistribute connected
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set protocols bgp address-family ipv6-unicast redistribute connected
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set protocols bgp neighbor eth1 interface v6only
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set protocols bgp neighbor eth1 interface v6only peer-group 'fabric'
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set protocols bgp neighbor eth2 interface v6only
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set protocols bgp neighbor eth2 interface v6only peer-group 'fabric'
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set protocols bgp parameters bestpath as-path multipath-relax
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set protocols bgp parameters bestpath compare-routerid
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set protocols bgp parameters default no-ipv4-unicast
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set protocols bgp parameters router-id '192.168.0.2'
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set protocols bgp peer-group fabric address-family ipv4-unicast
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set protocols bgp peer-group fabric address-family ipv6-unicast
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set protocols bgp peer-group fabric capability extended-nexthop
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set protocols bgp peer-group fabric remote-as 'external'
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Results
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=======
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@ -6,7 +6,7 @@ This document walks you through a complete HA setup of two VyOS machines. This
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design is based on a VM as the primary router, and a physical machine as a
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backup, using VRRP, BGP, OSPF and conntrack sharing.
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The aim of this document is to walk you through setting everything up, so
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The aim of this document is to walk you through setting everything up, so
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at a point where you can reboot any machine and not lose more than a few
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seconds worth of connectivity.
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@ -555,6 +555,7 @@ it is not 203.0.113.0/24.
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set policy prefix-list BGPOUT rule 100 prefix '203.0.113.0/24'
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set policy prefix-list BGPOUT rule 10000 action 'deny'
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set policy prefix-list BGPOUT rule 10000 prefix '0.0.0.0/0'
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set policy route-map BGPOUT description 'BGP Export Filter'
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set policy route-map BGPOUT rule 10 action 'permit'
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set policy route-map BGPOUT rule 10 match ip address prefix-list 'BGPOUT'
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@ -564,14 +565,16 @@ it is not 203.0.113.0/24.
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set policy route-map BGPPREPENDOUT rule 10 set as-path-prepend '65551 65551 65551'
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set policy route-map BGPPREPENDOUT rule 10 match ip address prefix-list 'BGPOUT'
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set policy route-map BGPPREPENDOUT rule 10000 action 'deny'
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set protocols bgp 65551 address-family ipv4-unicast network 192.0.2.0/24
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set protocols bgp 65551 address-family ipv4-unicast redistribute connected metric '50'
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set protocols bgp 65551 address-family ipv4-unicast redistribute ospf metric '50'
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set protocols bgp 65551 neighbor 192.0.2.11 address-family ipv4-unicast route-map export 'BGPOUT'
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set protocols bgp 65551 neighbor 192.0.2.11 address-family ipv4-unicast soft-reconfiguration inbound
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set protocols bgp 65551 neighbor 192.0.2.11 remote-as '65550'
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set protocols bgp 65551 neighbor 192.0.2.11 update-source '192.0.2.21'
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set protocols bgp 65551 parameters router-id '192.0.2.21'
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set protocols bgp local-as 65551
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set protocols bgp address-family ipv4-unicast network 192.0.2.0/24
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set protocols bgp address-family ipv4-unicast redistribute connected metric '50'
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set protocols bgp address-family ipv4-unicast redistribute ospf metric '50'
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set protocols bgp neighbor 192.0.2.11 address-family ipv4-unicast route-map export 'BGPOUT'
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set protocols bgp neighbor 192.0.2.11 address-family ipv4-unicast soft-reconfiguration inbound
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set protocols bgp neighbor 192.0.2.11 remote-as '65550'
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set protocols bgp neighbor 192.0.2.11 update-source '192.0.2.21'
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set protocols bgp parameters router-id '192.0.2.21'
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**router2**
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@ -27,8 +27,9 @@ Example
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set policy route-map setmet rule 2 set as-path-prepend '2 2 2'
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# Apply policy to BGP
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set protocols bgp 1 neighbor 203.0.113.2 address-family ipv4-unicast route-map import 'setmet'
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set protocols bgp 1 neighbor 203.0.113.2 address-family ipv4-unicast soft-reconfiguration 'inbound'
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set protocols bgp local-as 1
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set protocols bgp neighbor 203.0.113.2 address-family ipv4-unicast route-map import 'setmet'
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set protocols bgp neighbor 203.0.113.2 address-family ipv4-unicast soft-reconfiguration 'inbound'
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Using 'soft-reconfiguration' we get the policy update without bouncing the
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neighbor.
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@ -10,7 +10,7 @@ BFD
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the following RFCs: :rfc:`5880`, :rfc:`5881` and :rfc:`5883`.
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In the age of very fast networks, a second of unreachability may equal millions of lost packets.
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The idea behind BFD is to detect very quickly when a peer is down and take action extremely fast.
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The idea behind BFD is to detect very quickly when a peer is down and take action extremely fast.
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BFD sends lots of small UDP packets very quickly to ensures that the peer is still alive.
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@ -31,7 +31,7 @@ Configure BFD
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Allow this BFD peer to not be directly connected
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.. cfgcmd:: set protocols bfd peer <address> source
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.. cfgcmd:: set protocols bfd peer <address> source
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[address <address> | interface <interface>]
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Bind listener to specifid interface/address, mandatory for IPv6
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@ -45,7 +45,7 @@ Configure BFD
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Remote transmission interval will be multiplied by this value
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.. cfgcmd:: set protocols bfd peer <address> interval
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.. cfgcmd:: set protocols bfd peer <address> interval
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[receive | transmit] <10-60000>
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Interval in milliseconds
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@ -58,11 +58,11 @@ Configure BFD
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Enable BFD in BGP
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-----------------
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.. cfgcmd:: set protocols bgp <asn> neighbor <address> bfd
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.. cfgcmd:: set protocols bgp neighbor <neighbor> bfd
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Enable BFD on a single BGP neighbor
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.. cfgcmd:: set protocols bgp <asn> peer-group <group> bfd
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.. cfgcmd:: set protocols bgp peer-group <neighbor> bfd
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Enable BFD on a BGP peer group
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@ -897,15 +897,14 @@ between these sub-ASes we use something that looks like EBGP but behaves like
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IBGP (called confederation BGP). Confederation mechanism is described in
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:rfc:`5065`
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.. cfgcmd:: set protocols bgp <subasn> parameters confederation identifier
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.. cfgcmd:: set protocols bgp parameters confederation identifier
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<asn>
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This command specifies a BGP confederation identifier. <asn> is the number
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of the autonomous system that internally includes multiple sub-autonomous
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systems (a confederation). <subasn> is the number sub-autonomous system
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inside <asn>.
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systems (a confederation).
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.. cfgcmd:: set protocols bgp <subasn> parameters confederation confederation
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.. cfgcmd:: set protocols bgp parameters confederation confederation
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peers <nsubasn>
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This command sets other confederations <nsubasn> as members of autonomous
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@ -1070,21 +1069,23 @@ A simple eBGP configuration:
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.. code-block:: none
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set protocols bgp 65534 neighbor 192.168.0.2 ebgp-multihop '2'
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set protocols bgp 65534 neighbor 192.168.0.2 remote-as '65535'
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set protocols bgp 65534 neighbor 192.168.0.2 update-source '192.168.0.1'
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set protocols bgp 65534 address-family ipv4-unicast network '172.16.0.0/16'
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set protocols bgp 65534 parameters router-id '192.168.0.1'
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set protocols bgp local-as 65534
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set protocols bgp neighbor 192.168.0.2 ebgp-multihop '2'
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set protocols bgp neighbor 192.168.0.2 remote-as '65535'
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set protocols bgp neighbor 192.168.0.2 update-source '192.168.0.1'
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set protocols bgp address-family ipv4-unicast network '172.16.0.0/16'
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set protocols bgp parameters router-id '192.168.0.1'
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**Node 2:**
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.. code-block:: none
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set protocols bgp 65535 neighbor 192.168.0.1 ebgp-multihop '2'
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set protocols bgp 65535 neighbor 192.168.0.1 remote-as '65534'
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set protocols bgp 65535 neighbor 192.168.0.1 update-source '192.168.0.2'
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set protocols bgp 65535 address-family ipv4-unicast network '172.17.0.0/16'
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set protocols bgp 65535 parameters router-id '192.168.0.2'
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set protocols bgp local-as 65535
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set protocols bgp neighbor 192.168.0.1 ebgp-multihop '2'
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set protocols bgp neighbor 192.168.0.1 remote-as '65534'
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set protocols bgp neighbor 192.168.0.1 update-source '192.168.0.2'
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set protocols bgp address-family ipv4-unicast network '172.17.0.0/16'
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set protocols bgp parameters router-id '192.168.0.2'
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Don't forget, the CIDR declared in the network statement MUST **exist in your
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@ -1113,23 +1114,25 @@ A simple BGP configuration via IPv6.
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.. code-block:: none
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set protocols bgp 65534 neighbor 2001:db8::2 ebgp-multihop '2'
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set protocols bgp 65534 neighbor 2001:db8::2 remote-as '65535'
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set protocols bgp 65534 neighbor 2001:db8::2 update-source '2001:db8::1'
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set protocols bgp 65534 neighbor 2001:db8::2 address-family ipv6-unicast
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set protocols bgp 65534 address-family ipv6-unicast network '2001:db8:1::/48'
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set protocols bgp 65534 parameters router-id '10.1.1.1'
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set protocols bgp local-as 65534
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set protocols bgp neighbor 2001:db8::2 ebgp-multihop '2'
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set protocols bgp neighbor 2001:db8::2 remote-as '65535'
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set protocols bgp neighbor 2001:db8::2 update-source '2001:db8::1'
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set protocols bgp neighbor 2001:db8::2 address-family ipv6-unicast
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set protocols bgp address-family ipv6-unicast network '2001:db8:1::/48'
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set protocols bgp parameters router-id '10.1.1.1'
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**Node 2:**
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.. code-block:: none
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set protocols bgp 65535 neighbor 2001:db8::1 ebgp-multihop '2'
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set protocols bgp 65535 neighbor 2001:db8::1 remote-as '65534'
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set protocols bgp 65535 neighbor 2001:db8::1 update-source '2001:db8::2'
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set protocols bgp 65535 neighbor 2001:db8::1 address-family ipv6-unicast
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set protocols bgp 65535 address-family ipv6-unicast network '2001:db8:2::/48'
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set protocols bgp 65535 parameters router-id '10.1.1.2'
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set protocols bgp local-as 65535
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set protocols bgp neighbor 2001:db8::1 ebgp-multihop '2'
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set protocols bgp neighbor 2001:db8::1 remote-as '65534'
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set protocols bgp neighbor 2001:db8::1 update-source '2001:db8::2'
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set protocols bgp neighbor 2001:db8::1 address-family ipv6-unicast
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set protocols bgp address-family ipv6-unicast network '2001:db8:2::/48'
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set protocols bgp parameters router-id '10.1.1.2'
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Don't forget, the CIDR declared in the network statement **MUST exist in your
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routing table (dynamic or static), the best way to make sure that is true is
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@ -1164,6 +1167,7 @@ Route filter can be applied using a route-map:
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set policy prefix-list6 AS65535-IN rule 10 prefix '2001:db8:2::/48'
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set policy prefix-list6 AS65535-OUT rule 10 action 'deny'
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set policy prefix-list6 AS65535-OUT rule 10 prefix '2001:db8:2::/48'
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set policy route-map AS65535-IN rule 10 action 'permit'
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set policy route-map AS65535-IN rule 10 match ip address prefix-list 'AS65535-IN'
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set policy route-map AS65535-IN rule 10 match ipv6 address prefix-list 'AS65535-IN'
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@ -1172,10 +1176,12 @@ Route filter can be applied using a route-map:
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set policy route-map AS65535-OUT rule 10 match ip address prefix-list 'AS65535-OUT'
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set policy route-map AS65535-OUT rule 10 match ipv6 address prefix-list 'AS65535-OUT'
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set policy route-map AS65535-OUT rule 20 action 'permit'
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set protocols bgp 65534 neighbor 2001:db8::2 address-family ipv4-unicast route-map export 'AS65535-OUT'
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set protocols bgp 65534 neighbor 2001:db8::2 address-family ipv4-unicast route-map import 'AS65535-IN'
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set protocols bgp 65534 neighbor 2001:db8::2 address-family ipv6-unicast route-map export 'AS65535-OUT'
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set protocols bgp 65534 neighbor 2001:db8::2 address-family ipv6-unicast route-map import 'AS65535-IN'
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set protocols bgp local-as 65534
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set protocols bgp neighbor 2001:db8::2 address-family ipv4-unicast route-map export 'AS65535-OUT'
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set protocols bgp neighbor 2001:db8::2 address-family ipv4-unicast route-map import 'AS65535-IN'
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set protocols bgp neighbor 2001:db8::2 address-family ipv6-unicast route-map export 'AS65535-OUT'
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set protocols bgp neighbor 2001:db8::2 address-family ipv6-unicast route-map import 'AS65535-IN'
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**Node2:**
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@ -1189,6 +1195,7 @@ Route filter can be applied using a route-map:
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set policy prefix-list6 AS65534-IN rule 10 prefix '2001:db8:1::/48'
|
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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.
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user