doc:add bgp for srv6 te policy

Signed-off-by: guozhongfeng.gzf <[email protected]>

tests/topotests/bgp_srv6l3vpn_srv6_te_policy/ce1/bgpd.conf

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+frr defaults traditional
+!
+hostname ce1
+password zebra
+!
+log stdout notifications
+log commands
+log file bgpd.log

tests/topotests/bgp_srv6l3vpn_srv6_te_policy/ce1/zebra.conf

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+log file zebra.log
+!
+hostname ce1
+!
+interface eth0
+ ip address 192.168.1.2/24
+ ipv6 address 1001:1::2/64
+!
+ip forwarding
+ipv6 forwarding
+!
+ip route 0.0.0.0/0 192.168.1.1
+ipv6 route ::/0 1001:1::1
+!
+line vty
+!

tests/topotests/bgp_srv6l3vpn_srv6_te_policy/ce2/bgpd.conf

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+frr defaults traditional
+!
+hostname ce2
+password zebra
+!
+log stdout notifications
+log commands
+log file bgpd.log

tests/topotests/bgp_srv6l3vpn_srv6_te_policy/ce2/zebra.conf

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+log file zebra.log
+!
+hostname ce2
+!
+interface eth0
+ ip address 192.168.2.2/24
+ ipv6 address 1001:2::2/64
+!
+ip forwarding
+ipv6 forwarding
+!
+ip route 0.0.0.0/0 192.168.2.1
+ipv6 route ::/0 1001:2::1
+!
+line vty
+!

tests/topotests/bgp_srv6l3vpn_srv6_te_policy/ce3/bgpd.conf

@@ -0,0 +1,8 @@
+frr defaults traditional
+!
+hostname ce3
+password zebra
+!
+log stdout notifications
+log commands
+log file bgpd.log

tests/topotests/bgp_srv6l3vpn_srv6_te_policy/ce3/zebra.conf

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+log file zebra.log
+!
+hostname ce3
+!
+interface eth0
+ ip address 192.168.3.2/24
+ ipv6 address 1001:3::2/64
+!
+ip forwarding
+ipv6 forwarding
+!
+ip route 0.0.0.0/0 192.168.3.1
+ipv6 route ::/0 1001:3::1
+!
+line vty
+!

tests/topotests/bgp_srv6l3vpn_srv6_te_policy/ce4/bgpd.conf

@@ -0,0 +1,8 @@
+frr defaults traditional
+!
+hostname ce4
+password zebra
+!
+log stdout notifications
+log commands
+log file bgpd.log

tests/topotests/bgp_srv6l3vpn_srv6_te_policy/ce4/zebra.conf

@@ -0,0 +1,16 @@
+log file zebra.log
+!
+hostname ce4
+!
+interface eth0
+ ip address 192.168.4.2/24
+ ipv6 address 1001:4::2/64
+!
+ip forwarding
+ipv6 forwarding
+!
+ip route 0.0.0.0/0 192.168.4.1
+ipv6 route ::/0 1001:4::1
+!
+line vty
+!

tests/topotests/bgp_srv6l3vpn_srv6_te_policy/p1/bgpd.conf

@@ -0,0 +1,26 @@
+frr defaults traditional
+!
+hostname p1
+password zebra
+!
+log stdout notifications
+log commands
+log file bgpd.log
+!
+router bgp 3
+ bgp router-id 1.1.1.1
+ no bgp ebgp-requires-policy
+ !no bgp default ipv4-unicast
+ neighbor 2001:1::1 remote-as 1
+ neighbor 2001:1::1 timers 3 10
+ neighbor 2001:1::1 timers connect 1
+ neighbor 2002:1::1 remote-as 2
+ neighbor 2002:1::1 timers 3 10
+ neighbor 2002:1::1 timers connect 1
+ !
+ address-family ipv6 unicast
+  neighbor 2001:1::1 activate
+  neighbor 2002:1::1 activate
+ exit-address-family
+ !
+!

tests/topotests/bgp_srv6l3vpn_srv6_te_policy/p1/zebra.conf

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+log file zebra.log
+!
+hostname p1
+!
+interface Loopback1
+ ipv6 address 3000::1/64
+!
+interface eth1
+ ipv6 address 2001:1::2/64
+!
+interface eth2
+ ipv6 address 2002:1::1/64
+!
+interface eth3
+ ipv6 address 2002:3::2/64
+!
+ip forwarding
+ipv6 forwarding
+!
+segment-routing
+ srv6
+  locators
+   locator loc1
+    prefix 2001:db8:3:3::/64
+  !
+ !
+!
+ipv6 route 2001:db8:1:1::/64 2001:1::1
+ipv6 route 2001:db8:2:2::/64 2002:1::2
+ipv6 route 2001:db8:4:4::/64 2002:3::1
+line vty
+!

tests/topotests/bgp_srv6l3vpn_srv6_te_policy/p2/bgpd.conf

@@ -0,0 +1,26 @@
+frr defaults traditional
+!
+hostname p2
+password zebra
+!
+log stdout notifications
+log commands
+log file bgpd.log
+!
+router bgp 4
+ bgp router-id 1.1.1.1
+ no bgp ebgp-requires-policy
+ !no bgp default ipv4-unicast
+ neighbor 2001:2::1 remote-as 1
+ neighbor 2001:2::1 timers 3 10
+ neighbor 2001:2::1 timers connect 1
+ neighbor 2002:2::2 remote-as 2
+ neighbor 2002:2::2 timers 3 10
+ neighbor 2002:2::2 timers connect 1
+ !
+ address-family ipv6 unicast
+  neighbor 2001:2::1 activate
+  neighbor 2002:1::1 activate
+ exit-address-family
+ !
+!

tests/topotests/bgp_srv6l3vpn_srv6_te_policy/p2/zebra.conf

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+log file zebra.log
+!
+hostname p2
+!
+interface Loopback1
+ ipv6 address 4000::1/64
+!
+interface eth1
+ ipv6 address 2001:2::2/64
+!
+interface eth2
+ ipv6 address 2002:2::1/64
+!
+interface eth3
+ ipv6 address 2002:3::1/64
+!
+ip forwarding
+ipv6 forwarding
+!
+segment-routing
+ srv6
+  locators
+   locator loc1
+    prefix 2001:db8:4:4::/64
+  !
+ !
+!
+!
+ipv6 route 2001:db8:1:1::/64 2001:2::1
+ipv6 route 2001:db8:2:2::/64 2002:2::2
+ipv6 route 2001:db8:3:3::/64 2002:3::2
+line vty
+!

tests/topotests/bgp_srv6l3vpn_srv6_te_policy/pe1/bgpd.conf

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+frr defaults traditional
+!
+bgp send-extra-data zebra
+!
+hostname pe1
+password zebra
+!
+log stdout notifications
+log commands
+!
+!debug bgp neighbor-events
+!debug bgp zebra
+!debug bgp update-groups
+!debug bgp updates in
+!debug bgp updates out
+!debug bgp vpn label
+!debug bgp vpn leak-from-vrf
+!debug bgp vpn leak-to-vrf
+!debug bgp vpn rmap-event
+!
+route-map color_v4 permit 10
+ set extcommunity color 01:100
+!
+route-map color_v6 permit 10
+ set extcommunity color 01:200
+!
+router bgp 1
+ bgp router-id 1.1.1.1
+ no bgp ebgp-requires-policy
+ !no bgp default ipv4-unicast
+ neighbor 2001:1::2 remote-as 3
+ neighbor 2001:1::2 timers 3 10
+ neighbor 2001:1::2 timers connect 1
+ neighbor 2001:2::2 remote-as 4
+ neighbor 2001:2::2 timers 3 10
+ neighbor 2001:2::2 timers connect 1
+ neighbor 2000::1 remote-as 1
+ neighbor 2000::1 timers 3 10
+ neighbor 2000::1 timers connect 1
+ neighbor 2000::1 ebgp-multihop
+ neighbor 2000::1 capability extended-nexthop
+ !
+ address-family ipv4 vpn
+  neighbor 2000::1 activate
+  neighbor 2000::1 route-map color_v4 out
+ exit-address-family
+ !
+ address-family ipv6 vpn
+  neighbor 2000::1 activate
+  neighbor 2000::1 route-map color_v6 out
+ exit-address-family
+ !
+ address-family ipv6 unicast
+  network 1000::1/64
+  neighbor 2001:1::2 activate
+  neighbor 2001:2::2 activate
+ exit-address-family
+
+ segment-routing srv6
+  locator loc1
+ !
+!
+router bgp 1 vrf vrf1
+ bgp router-id 1.1.1.1
+ no bgp ebgp-requires-policy
+ sid vpn per-vrf export auto
+ !
+ address-family ipv4 unicast
+  nexthop vpn export 2001::1
+  rd vpn export 1:10
+  rt vpn both 99:99
+  export vpn
+  redistribute connected
+ exit-address-family
+ !
+ address-family ipv6 unicast
+  rd vpn export 1:10
+  rt vpn both 99:99
+  export vpn
+  redistribute connected
+ exit-address-family
+!
+router bgp 1 vrf vrf2
+ bgp router-id 1.1.1.1
+ no bgp ebgp-requires-policy
+ sid vpn per-vrf export auto
+ !
+ address-family ipv4 unicast
+  nexthop vpn export 2001::1
+  rd vpn export 1:20
+  rt vpn both 88:88
+  export vpn
+  redistribute connected
+ exit-address-family
+ !
+ address-family ipv6 unicast
+  rd vpn export 1:20
+  rt vpn both 88:88
+  export vpn
+  redistribute connected
+ exit-address-family
+!

tests/topotests/bgp_srv6l3vpn_srv6_te_policy/pe1/pathd.conf

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+log file pathd.log
+!
+hostname pe1
+!
+segment-routing
+ traffic-eng
+  segment-list a
+   index 10 ipv6-address 2001:db8:3:3::
+   index 20 ipv6-address 2001:db8:1:1::
+!