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topotests: add bgp_nexthop_mp_ipv4_6 test

Browse source 
Add bgp_nexthop_mp_ipv4_6 topotest to test to nexhop value with
MP-BGP IPv4 and IPv6 on IPv4 peering. The test has route-reflector,
route-server, iBGP and eBGP peers.

Signed-off-by: Louis Scalbert <louis.scalbert@6wind.com>
This commit is contained in:
Louis Scalbert 2024-03-27 16:13:46 +01:00
parent c2e29941da
commit c49fb49e9a
50 changed files with 1716 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

0
tests/topotests/bgp_nexthop_mp_ipv4_6/__init__.py Normal file
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6
tests/topotests/bgp_nexthop_mp_ipv4_6/h1/zebra.conf Normal file
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ipv6 route ::/0 fd00:100::2
ip route 0.0.0.0/0 192.168.1.2
interface eth-r1
ip address 192.168.1.1/24
ipv6 address fd00:100::1/64
!

6
tests/topotests/bgp_nexthop_mp_ipv4_6/h2/zebra.conf Normal file
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ipv6 route ::/0 fd00:700::2
ip route 0.0.0.0/0 192.168.7.2
interface eth-r7
ip address 192.168.7.1/24
ipv6 address fd00:700::1/64
!

6
tests/topotests/bgp_nexthop_mp_ipv4_6/h3/zebra.conf Normal file
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ipv6 route ::/0 fd00:800::2
ip route 0.0.0.0/0 192.168.8.2
interface eth-r8
ip address 192.168.8.1/24
ipv6 address fd00:800::1/64
!

70
tests/topotests/bgp_nexthop_mp_ipv4_6/r1/bgp_ipv4.json Executable file
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{
"routes": {
"192.168.1.0/24": [
{
"valid": true,
"bestpath": true,
"path": "",
"nexthops": [
{
"ip": "0.0.0.0",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.7.0/24": [
{
"valid": true,
"multipath": true,
"path": "65000 65700",
"nexthops": [
{
"ip": "172.16.1.3",
"afi": "ipv4",
"used": true
}
]
},
{
"valid": true,
"bestpath": true,
"path": "65000 65700",
"nexthops": [
{
"ip": "172.16.0.2",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.8.0/24": [
{
"valid": true,
"multipath": true,
"path": "65000 65800",
"nexthops": [
{
"ip": "172.16.1.3",
"afi": "ipv4",
"used": true
}
]
},
{
"valid": true,
"bestpath": true,
"path": "65000 65800",
"nexthops": [
{
"ip": "172.16.0.2",
"afi": "ipv4",
"used": true
}
]
}
]
}
}

90
tests/topotests/bgp_nexthop_mp_ipv4_6/r1/bgp_ipv6_step1.json Executable file
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{
"routes": {
"fd00:100::/64": [
{
"valid": true,
"bestpath": true,
"path": "",
"nexthops": [
{
"ip": "::",
"afi": "ipv6",
"used": true
}
]
}
],
"fd00:700::/64": [
{
"valid": true,
"multipath": true,
"path": "65000 65700",
"nexthops": [
{
"ip": "fd00:0:2::3",
"afi": "ipv6",
"scope": "global"
},
{
"afi": "ipv6",
"scope": "link-local",
"used": true
}
]
},
{
"valid": true,
"bestpath": true,
"path": "65000 65700",
"nexthops": [
{
"ip": "fd00:0:1::2",
"afi": "ipv6",
"scope": "global"
},
{
"afi": "ipv6",
"scope": "link-local",
"used": true
}
]
}
],
"fd00:800::/64": [
{
"valid": true,
"multipath": true,
"path": "65000 65800",
"nexthops": [
{
"ip": "fd00:0:2::3",
"afi": "ipv6",
"scope": "global"
},
{
"afi": "ipv6",
"scope": "link-local",
"used": true
}
]
},
{
"valid": true,
"bestpath": true,
"path": "65000 65800",
"nexthops": [
{
"ip": "fd00:0:1::2",
"afi": "ipv6",
"scope": "global"
},
{
"afi": "ipv6",
"scope": "link-local",
"used": true
}
]
}
]
}
}

23
tests/topotests/bgp_nexthop_mp_ipv4_6/r1/bgpd.conf Normal file
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router bgp 65100
no bgp ebgp-requires-policy
neighbor 172.16.0.2 remote-as external
neighbor 172.16.1.3 remote-as external
! neighbor 172.16.0.2 capability extended-nexthop
!
address-family ipv4 unicast
redistribute connected route-map RMAP4
!
address-family ipv6 unicast
redistribute connected route-map RMAP6
neighbor 172.16.0.2 activate
neighbor 172.16.1.3 activate
!
ip prefix-list RANGE4 seq 10 permit 192.168.0.0/16 le 24
ipv6 prefix-list RANGE6 seq 10 permit fd00:100::0/64
route-map RMAP4 permit 10
match ip address prefix-list RANGE4
!
route-map RMAP6 permit 10
match ipv6 address prefix-list RANGE6

16
tests/topotests/bgp_nexthop_mp_ipv4_6/r1/zebra.conf Normal file
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!
interface eth-h1
ip address 192.168.1.2/24
ipv6 address fd00:100::2/64
!
interface eth-r2
ip address 172.16.0.1/24
ipv6 address fd00:0:1::1/64
!
interface eth-r3
ip address 172.16.1.1/24
ipv6 address fd00:0:2::1/64
!
interface lo
ip address 192.0.2.1/32
ipv6 address 2001:db8::1/128

46
tests/topotests/bgp_nexthop_mp_ipv4_6/r2/bgp_ipv4.json Executable file
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{
"routes": {
"192.168.1.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65100",
"nexthops": [
{
"ip": "172.16.0.1",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.7.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65700",
"nexthops": [
{
"ip": "172.17.0.7",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.8.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65800",
"nexthops": [
{
"ip": "172.17.0.8",
"afi": "ipv4",
"used": true
}
]
}
]
}
}

53
tests/topotests/bgp_nexthop_mp_ipv4_6/r2/bgp_ipv6_step1.json Normal file
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{
"routes": {
"fd00:100::/64": [
{
"valid": true,
"bestpath": true,
"path": "65100",
"nexthops": [
{
"ip": "fd00:0:1::1",
"afi": "ipv6",
"scope": "global"
},
{
"afi": "ipv6",
"scope": "link-local",
"used": true
}
]
}
],
"fd00:700::/64": [
{
"valid": true,
"bestpath": true,
"path": "65700",
"nexthops": [
{
"ip": "fd00:0:9::7",
"scope": "global",
"afi": "ipv6",
"used": true
}
]
}
],
"fd00:800::/64": [
{
"valid": true,
"bestpath": true,
"path": "65800",
"nexthops": [
{
"ip": "fd00:0:9::8",
"scope": "global",
"afi": "ipv6",
"used": true
}
]
}
]
}
}

11
tests/topotests/bgp_nexthop_mp_ipv4_6/r2/bgpd.conf Normal file
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router bgp 65000
no bgp ebgp-requires-policy
neighbor 172.16.0.1 remote-as external
! neighbor 172.16.0.1 capability extended-nexthop
neighbor 192.0.2.101 remote-as internal
neighbor 192.0.2.101 update-source 192.0.2.2
!
address-family ipv6 unicast
neighbor 172.16.0.1 activate
neighbor 192.0.2.101 activate
!

24
tests/topotests/bgp_nexthop_mp_ipv4_6/r2/isisd.conf Normal file
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!
interface lo
ip router isis 1
ipv6 router isis 1
isis passive
!
interface eth-rr1
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
isis network point-to-point
!
interface eth-r1
ip router isis 1
ipv6 router isis 1
isis passive
!
router isis 1
net 49.0000.0000.0000.0002.00
is-type level-1
lsp-gen-interval 1
topology ipv6-unicast
!

12
tests/topotests/bgp_nexthop_mp_ipv4_6/r2/zebra.conf Normal file
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!
interface eth-r1
ip address 172.16.0.2/24
ipv6 address fd00:0:1::2/64
!
interface eth-rr1
ip address 10.0.0.2/24
ipv6 address fd00:0:3::2/64
!
interface lo
ip address 192.0.2.2/32
ipv6 address 2001:db8::2/128

46
tests/topotests/bgp_nexthop_mp_ipv4_6/r3/bgp_ipv4.json Normal file
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{
"routes": {
"192.168.1.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65100",
"nexthops": [
{
"ip": "172.16.1.1",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.7.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65700",
"nexthops": [
{
"ip": "172.17.0.7",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.8.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65800",
"nexthops": [
{
"ip": "172.17.0.8",
"afi": "ipv4",
"used": true
}
]
}
]
}
}

53
tests/topotests/bgp_nexthop_mp_ipv4_6/r3/bgp_ipv6_step1.json Normal file
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{
"routes": {
"fd00:100::/64": [
{
"valid": true,
"bestpath": true,
"path": "65100",
"nexthops": [
{
"ip": "fd00:0:2::1",
"afi": "ipv6",
"scope": "global"
},
{
"afi": "ipv6",
"scope": "link-local",
"used": true
}
]
}
],
"fd00:700::/64": [
{
"valid": true,
"bestpath": true,
"path": "65700",
"nexthops": [
{
"ip": "fd00:0:9::7",
"scope": "global",
"afi": "ipv6",
"used": true
}
]
}
],
"fd00:800::/64": [
{
"valid": true,
"bestpath": true,
"path": "65800",
"nexthops": [
{
"ip": "fd00:0:9::8",
"scope": "global",
"afi": "ipv6",
"used": true
}
]
}
]
}
}

11
tests/topotests/bgp_nexthop_mp_ipv4_6/r3/bgpd.conf Normal file
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router bgp 65000
no bgp ebgp-requires-policy
neighbor 172.16.1.1 remote-as external
! neighbor 172.16.1.1 capability extended-nexthop
neighbor 192.0.2.101 remote-as internal
neighbor 192.0.2.101 update-source 192.0.2.3
!
address-family ipv6 unicast
neighbor 172.16.1.1 activate
neighbor 192.0.2.101 activate
!

24
tests/topotests/bgp_nexthop_mp_ipv4_6/r3/isisd.conf Normal file
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!
interface lo
ip router isis 1
ipv6 router isis 1
isis passive
!
interface eth-rr1
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
isis network point-to-point
!
interface eth-r1
ip router isis 1
ipv6 router isis 1
isis passive
!
router isis 1
net 49.0000.0000.0000.0003.00
is-type level-1
lsp-gen-interval 1
topology ipv6-unicast
!

12
tests/topotests/bgp_nexthop_mp_ipv4_6/r3/zebra.conf Normal file
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!
interface eth-r1
ip address 172.16.1.3/24
ipv6 address fd00:0:2::3/64
!
interface eth-rr1
ip address 10.0.1.3/24
ipv6 address fd00:0:4::3/64
!
interface lo
ip address 192.0.2.3/32
ipv6 address 2001:db8::3/128

46
tests/topotests/bgp_nexthop_mp_ipv4_6/r4/bgp_ipv4.json Executable file
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{
"routes": {
"192.168.1.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65100",
"nexthops": [
{
"ip": "172.16.0.1",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.7.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65700",
"nexthops": [
{
"ip": "172.17.0.7",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.8.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65800",
"nexthops": [
{
"ip": "172.17.0.8",
"afi": "ipv4",
"used": true
}
]
}
]
}
}

49
tests/topotests/bgp_nexthop_mp_ipv4_6/r4/bgp_ipv6_step1.json Executable file
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{
"routes": {
"fd00:100::/64": [
{
"valid": true,
"bestpath": true,
"path": "65100",
"nexthops": [
{
"ip": "fd00:0:1::1",
"afi": "ipv6",
"scope": "global",
"used": true
}
]
}
],
"fd00:700::/64": [
{
"valid": true,
"bestpath": true,
"path": "65700",
"nexthops": [
{
"ip": "fd00:0:9::7",
"scope": "global",
"afi": "ipv6",
"used": true
}
]
}
],
"fd00:800::/64": [
{
"valid": true,
"bestpath": true,
"path": "65800",
"nexthops": [
{
"ip": "fd00:0:9::8",
"scope": "global",
"afi": "ipv6",
"used": true
}
]
}
]
}
}

13
tests/topotests/bgp_nexthop_mp_ipv4_6/r4/bgpd.conf Normal file
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router bgp 65000
neighbor 192.0.2.5 remote-as internal
neighbor 192.0.2.6 remote-as internal
neighbor 192.0.2.101 remote-as internal
neighbor 192.0.2.5 update-source 192.0.2.4
neighbor 192.0.2.6 update-source 192.0.2.4
neighbor 192.0.2.101 update-source 192.0.2.4
!
address-family ipv6 unicast
neighbor 192.0.2.5 activate
neighbor 192.0.2.6 activate
neighbor 192.0.2.101 activate
!

26
tests/topotests/bgp_nexthop_mp_ipv4_6/r4/isisd.conf Normal file
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!
interface lo
ip router isis 1
ipv6 router isis 1
isis passive
!
interface eth-rr1
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
isis network point-to-point
!
interface eth-r6
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
isis network point-to-point
!
router isis 1
net 49.0000.0000.0000.0004.00
is-type level-1
lsp-gen-interval 1
topology ipv6-unicast
!

12
tests/topotests/bgp_nexthop_mp_ipv4_6/r4/zebra.conf Normal file
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!
interface eth-r6
ip address 10.0.4.4/24
ipv6 address fd00:0:7::4/64
!
interface eth-rr1
ip address 10.0.2.4/24
ipv6 address fd00:0:5::4/64
!
interface lo
ip address 192.0.2.4/32
ipv6 address 2001:db8::4/128

46
tests/topotests/bgp_nexthop_mp_ipv4_6/r5/bgp_ipv4.json Executable file
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{
"routes": {
"192.168.1.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65100",
"nexthops": [
{
"ip": "172.16.0.1",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.7.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65700",
"nexthops": [
{
"ip": "172.17.0.7",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.8.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65800",
"nexthops": [
{
"ip": "172.17.0.8",
"afi": "ipv4",
"used": true
}
]
}
]
}
}

49
tests/topotests/bgp_nexthop_mp_ipv4_6/r5/bgp_ipv6_step1.json Executable file
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@ -0,0 +1,49 @@
{
"routes": {
"fd00:100::/64": [
{
"valid": true,
"bestpath": true,
"path": "65100",
"nexthops": [
{
"ip": "fd00:0:1::1",
"afi": "ipv6",
"scope": "global",
"used": true
}
]
}
],
"fd00:700::/64": [
{
"valid": true,
"bestpath": true,
"path": "65700",
"nexthops": [
{
"ip": "fd00:0:9::7",
"scope": "global",
"afi": "ipv6",
"used": true
}
]
}
],
"fd00:800::/64": [
{
"valid": true,
"bestpath": true,
"path": "65800",
"nexthops": [
{
"ip": "fd00:0:9::8",
"scope": "global",
"afi": "ipv6",
"used": true
}
]
}
]
}
}

13
tests/topotests/bgp_nexthop_mp_ipv4_6/r5/bgpd.conf Normal file
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router bgp 65000
neighbor 192.0.2.4 remote-as internal
neighbor 192.0.2.6 remote-as internal
neighbor 192.0.2.101 remote-as internal
neighbor 192.0.2.4 update-source 192.0.2.5
neighbor 192.0.2.6 update-source 192.0.2.5
neighbor 192.0.2.101 update-source 192.0.2.5
!
address-family ipv6 unicast
neighbor 192.0.2.4 activate
neighbor 192.0.2.6 activate
neighbor 192.0.2.101 activate
!

26
tests/topotests/bgp_nexthop_mp_ipv4_6/r5/isisd.conf Normal file
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!
interface lo
ip router isis 1
ipv6 router isis 1
isis passive
!
interface eth-rr1
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
isis network point-to-point
!
interface eth-r6
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
isis network point-to-point
!
router isis 1
net 49.0000.0000.0000.0005.00
is-type level-1
lsp-gen-interval 1
topology ipv6-unicast
!

12
tests/topotests/bgp_nexthop_mp_ipv4_6/r5/zebra.conf Normal file
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!
interface eth-r6
ip address 10.0.5.5/24
ipv6 address fd00:0:8::5/64
!
interface eth-rr1
ip address 10.0.3.5/24
ipv6 address fd00:0:6::5/64
!
interface lo
ip address 192.0.2.5/32
ipv6 address 2001:db8::5/128

46
tests/topotests/bgp_nexthop_mp_ipv4_6/r6/bgp_ipv4.json Normal file
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{
"routes": {
"192.168.1.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65100",
"nexthops": [
{
"ip": "172.16.0.1",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.7.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65700",
"nexthops": [
{
"ip": "172.17.0.7",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.8.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65800",
"nexthops": [
{
"ip": "172.17.0.8",
"afi": "ipv4",
"used": true
}
]
}
]
}
}

48
tests/topotests/bgp_nexthop_mp_ipv4_6/r6/bgp_ipv6_step1.json Normal file
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@ -0,0 +1,48 @@
{
"routes": {
"fd00:100::/64": [
{
"valid": true,
"bestpath": true,
"nexthops": [
{
"ip": "fd00:0:1::1",
"afi": "ipv6",
"scope": "global",
"used": true
}
]
}
],
"fd00:700::/64": [
{
"valid": true,
"bestpath": true,
"path": "65700",
"nexthops": [
{
"ip": "fd00:0:9::7",
"afi": "ipv6",
"scope": "global",
"used": true
}
]
}
],
"fd00:800::/64": [
{
"valid": true,
"bestpath": true,
"path": "65800",
"nexthops": [
{
"ip": "fd00:0:9::8",
"afi": "ipv6",
"scope": "global",
"used": true
}
]
}
]
}
}

17
tests/topotests/bgp_nexthop_mp_ipv4_6/r6/bgpd.conf Normal file
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router bgp 65000
no bgp ebgp-requires-policy
no bgp enforce-first-as
neighbor 192.0.2.4 remote-as internal
neighbor 192.0.2.5 remote-as internal
neighbor 192.0.2.101 remote-as internal
neighbor 172.17.0.201 remote-as external
neighbor 192.0.2.4 update-source 192.0.2.6
neighbor 192.0.2.5 update-source 192.0.2.6
neighbor 192.0.2.101 update-source 192.0.2.6
!
address-family ipv6 unicast
neighbor 192.0.2.4 activate
neighbor 192.0.2.5 activate
neighbor 192.0.2.101 activate
neighbor 172.17.0.201 activate
!

31
tests/topotests/bgp_nexthop_mp_ipv4_6/r6/isisd.conf Normal file
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!
interface lo
ip router isis 1
ipv6 router isis 1
isis passive
!
interface eth-r4
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
isis network point-to-point
!
interface eth-r5
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
isis network point-to-point
!
interface eth-sw1
ip router isis 1
ipv6 router isis 1
isis passive
!
router isis 1
net 49.0000.0000.0000.0006.00
is-type level-1
lsp-gen-interval 1
topology ipv6-unicast
!

16
tests/topotests/bgp_nexthop_mp_ipv4_6/r6/zebra.conf Normal file
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!
interface eth-r4
ip address 10.0.4.6/24
ipv6 address fd00:0:7::6/64
!
interface eth-r5
ip address 10.0.5.6/24
ipv6 address fd00:0:8::6/64
!
interface eth-sw1
ip address 172.17.0.6/24
ipv6 address fd00:0:9::6/64
!
interface lo
ip address 192.0.2.6/32
ipv6 address 2001:db8::6/128

46
tests/topotests/bgp_nexthop_mp_ipv4_6/r7/bgp_ipv4.json Normal file
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{
"routes": {
"192.168.1.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65000 65100",
"nexthops": [
{
"ip": "172.17.0.6",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.7.0/24": [
{
"valid": true,
"bestpath": true,
"path": "",
"nexthops": [
{
"ip": "0.0.0.0",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.8.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65800",
"nexthops": [
{
"ip": "172.17.0.8",
"afi": "ipv4",
"used": true
}
]
}
]
}
}

48
tests/topotests/bgp_nexthop_mp_ipv4_6/r7/bgp_ipv6_step1.json Normal file
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{
"routes": {
"fd00:100::/64": [
{
"valid": true,
"bestpath": true,
"path": "65000 65100",
"nexthops": [
{
"ip": "fd00:0:9::6",
"afi": "ipv6",
"scope": "global",
"used": true
}
]
}
],
"fd00:700::/64": [
{
"valid": true,
"bestpath": true,
"path": "",
"nexthops": [
{
"ip": "::",
"afi": "ipv6",
"used": true
}
]
}
],
"fd00:800::/64": [
{
"valid": true,
"bestpath": true,
"path": "65800",
"nexthops": [
{
"ip": "fd00:0:9::8",
"afi": "ipv6",
"scope": "global",
"used": true
}
]
}
]
}
}

21
tests/topotests/bgp_nexthop_mp_ipv4_6/r7/bgpd.conf Normal file
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router bgp 65700
no bgp ebgp-requires-policy
no bgp enforce-first-as
neighbor 172.17.0.201 remote-as external
!
address-family ipv4 unicast
redistribute connected route-map RMAP4
!
address-family ipv6 unicast
redistribute connected route-map RMAP6
neighbor 172.17.0.201 activate
!
ip prefix-list RANGE4 seq 10 permit 192.168.0.0/16 le 24
ipv6 prefix-list RANGE6 seq 10 permit fd00:700::0/64
route-map RMAP4 permit 10
match ip address prefix-list RANGE4
!
route-map RMAP6 permit 10
match ipv6 address prefix-list RANGE6

12
tests/topotests/bgp_nexthop_mp_ipv4_6/r7/zebra.conf Normal file
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!
interface eth-h2
ip address 192.168.7.2/24
ipv6 address fd00:700::2/64
!
interface eth-sw1
ip address 172.17.0.7/24
ipv6 address fd00:0:9::7/64
!
interface lo
ip address 192.0.2.7/32
ipv6 address 2001:db8::7/128

46
tests/topotests/bgp_nexthop_mp_ipv4_6/r8/bgp_ipv4.json Normal file
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{
"routes": {
"192.168.1.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65000 65100",
"nexthops": [
{
"ip": "172.17.0.6",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.7.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65700",
"nexthops": [
{
"ip": "172.17.0.7",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.8.0/24": [
{
"valid": true,
"bestpath": true,
"path": "",
"nexthops": [
{
"ip": "0.0.0.0",
"afi": "ipv4",
"used": true
}
]
}
]
}
}

48
tests/topotests/bgp_nexthop_mp_ipv4_6/r8/bgp_ipv6_step1.json Normal file
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{
"routes": {
"fd00:100::/64": [
{
"valid": true,
"bestpath": true,
"path": "65000 65100",
"nexthops": [
{
"ip": "fd00:0:9::6",
"afi": "ipv6",
"scope": "global",
"used": true
}
]
}
],
"fd00:700::/64": [
{
"valid": true,
"bestpath": true,
"path": "65700",
"nexthops": [
{
"ip": "fd00:0:9::7",
"afi": "ipv6",
"scope": "global",
"used": true
}
]
}
],
"fd00:800::/64": [
{
"valid": true,
"bestpath": true,
"path": "",
"nexthops": [
{
"ip": "::",
"afi": "ipv6",
"used": true
}
]
}
]
}
}

21
tests/topotests/bgp_nexthop_mp_ipv4_6/r8/bgpd.conf Normal file
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router bgp 65800
no bgp ebgp-requires-policy
no bgp enforce-first-as
neighbor 172.17.0.201 remote-as external
!
address-family ipv4 unicast
redistribute connected route-map RMAP4
!
address-family ipv6 unicast
redistribute connected route-map RMAP6
neighbor 172.17.0.201 activate
!
ip prefix-list RANGE4 seq 10 permit 192.168.0.0/16 le 24
ipv6 prefix-list RANGE6 seq 10 permit fd00:800::0/64
route-map RMAP4 permit 10
match ip address prefix-list RANGE4
!
route-map RMAP6 permit 10
match ipv6 address prefix-list RANGE6

12
tests/topotests/bgp_nexthop_mp_ipv4_6/r8/zebra.conf Normal file
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!
interface eth-h3
ip address 192.168.8.2/24
ipv6 address fd00:800::2/64
!
interface eth-sw1
ip address 172.17.0.8/24
ipv6 address fd00:0:9::8/64
!
interface lo
ip address 192.0.2.8/32
ipv6 address 2001:db8::8/128

58
tests/topotests/bgp_nexthop_mp_ipv4_6/rr1/bgp_ipv4.json Normal file
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{
"routes": {
"192.168.1.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65100",
"nexthops": [
{
"ip": "172.16.0.1",
"afi": "ipv4",
"used": true
}
]
},
{
"valid": true,
"multipath": true,
"path": "65100",
"nexthops": [
{
"ip": "172.16.1.1",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.7.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65700",
"nexthops": [
{
"ip": "172.17.0.7",
"afi": "ipv4",
"used": true
}
]
}
],
"192.168.8.0/24": [
{
"valid": true,
"bestpath": true,
"path": "65800",
"nexthops": [
{
"ip": "172.17.0.8",
"afi": "ipv4",
"used": true
}
]
}
]
}
}

62
tests/topotests/bgp_nexthop_mp_ipv4_6/rr1/bgp_ipv6_step1.json Normal file
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{
"routes": {
"fd00:100::/64": [
{
"valid": true,
"bestpath": true,
"path": "65100",
"nexthops": [
{
"ip": "fd00:0:1::1",
"afi": "ipv6",
"scope": "global",
"used": true
}
]
},
{
"valid": true,
"multipath": true,
"path": "65100",
"nexthops": [
{
"ip": "fd00:0:2::1",
"afi": "ipv6",
"scope": "global",
"used": true
}
]
}
],
"fd00:700::/64": [
{
"valid": true,
"bestpath": true,
"path": "65700",
"nexthops": [
{
"ip": "fd00:0:9::7",
"afi": "ipv6",
"scope": "global",
"used": true
}
]
}
],
"fd00:800::/64": [
{
"valid": true,
"bestpath": true,
"path": "65800",
"nexthops": [
{
"ip": "fd00:0:9::8",
"scope": "global",
"afi": "ipv6",
"used": true
}
]
}
]
}
}

26
tests/topotests/bgp_nexthop_mp_ipv4_6/rr1/bgpd.conf Normal file
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router bgp 65000
neighbor 192.0.2.2 remote-as internal
neighbor 192.0.2.3 remote-as internal
neighbor 192.0.2.4 remote-as internal
neighbor 192.0.2.5 remote-as internal
neighbor 192.0.2.6 remote-as internal
neighbor 192.0.2.2 update-source 192.0.2.101
neighbor 192.0.2.3 update-source 192.0.2.101
neighbor 192.0.2.4 update-source 192.0.2.101
neighbor 192.0.2.5 update-source 192.0.2.101
neighbor 192.0.2.6 update-source 192.0.2.101
!
address-family ipv4 unicast
neighbor 192.0.2.2 route-reflector-client
neighbor 192.0.2.3 route-reflector-client
!
address-family ipv6 unicast
neighbor 192.0.2.2 activate
neighbor 192.0.2.3 activate
neighbor 192.0.2.4 activate
neighbor 192.0.2.5 activate
neighbor 192.0.2.6 activate
neighbor 192.0.2.2 route-reflector-client
neighbor 192.0.2.3 route-reflector-client
!

40
tests/topotests/bgp_nexthop_mp_ipv4_6/rr1/isisd.conf Normal file
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!
interface lo
ip router isis 1
ipv6 router isis 1
isis passive
!
interface eth-r2
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
isis network point-to-point
!
interface eth-r3
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
isis network point-to-point
!
interface eth-r4
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
isis network point-to-point
!
interface eth-r5
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
isis network point-to-point
!
router isis 1
net 49.0000.0000.0000.0101.00
is-type level-1
lsp-gen-interval 1
topology ipv6-unicast
!

21
tests/topotests/bgp_nexthop_mp_ipv4_6/rr1/zebra.conf Normal file
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!
interface eth-r2
ip address 10.0.0.101/24
ipv6 address fd00:0:3::101/64
!
interface eth-r3
ip address 10.0.1.101/24
ipv6 address fd00:0:4::101/64
!
interface eth-r4
ip address 10.0.2.101/24
ipv6 address fd00:0:5::101/64
!
interface eth-r5
ip address 10.0.3.101/24
ipv6 address fd00:0:6::101/64
!
interface lo
ip address 192.0.2.101/32
ipv6 address 2001:db8::101/128

21
tests/topotests/bgp_nexthop_mp_ipv4_6/rs1/bgpd.conf Normal file
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router bgp 65200 view RS
bgp router-id 192.0.2.201
no bgp ebgp-requires-policy
neighbor 172.17.0.6 remote-as external
neighbor 172.17.0.7 remote-as external
neighbor 172.17.0.8 remote-as external
!
address-family ipv4 unicast
neighbor 172.17.0.6 route-server-client
neighbor 172.17.0.7 route-server-client
neighbor 172.17.0.8 route-server-client
!
address-family ipv6 unicast
neighbor 172.17.0.6 activate
neighbor 172.17.0.7 activate
neighbor 172.17.0.8 activate
neighbor 172.17.0.6 route-server-client
neighbor 172.17.0.7 route-server-client
neighbor 172.17.0.8 route-server-client
!

36
tests/topotests/bgp_nexthop_mp_ipv4_6/rs1/isisd.conf Normal file
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!
interface lo
ip router isis 1
ipv6 router isis 1
isis passive
!
interface eth-r2
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
!
interface eth-r3
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
!
interface eth-r4
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
!
interface eth-r5
ip router isis 1
ipv6 router isis 1
isis hello-interval 1
isis hello-multiplier 3
!
router isis 1
net 49.0000.0000.0000.0101.00
is-type level-1
lsp-gen-interval 1
topology ipv6-unicast
!

8
tests/topotests/bgp_nexthop_mp_ipv4_6/rs1/zebra.conf Normal file
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interface eth-sw1
ip address 172.17.0.201/24
ipv6 address fd00:0:9::201/64
!
interface lo
ip address 192.0.2.201/32
ipv6 address 2001:db8::201/128

231
tests/topotests/bgp_nexthop_mp_ipv4_6/test_nexthop_mp_ipv4_6.py Normal file
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#!/usr/bin/env python
# SPDX-License-Identifier: ISC
#
# Copyright (c) 2024 by 6WIND
#
"""
Test BGP nexthop conformity with IPv4,6 MP-BGP over IPv4 peering
"""
import os
import sys
import json
import functools
from functools import partial
import pytest
# Save the Current Working Directory to find configuration files.
CWD = os.path.dirname(os.path.realpath(__file__))
sys.path.append(os.path.join(CWD, "../"))
# pylint: disable=C0413
# Import topogen and topotest helpers
from lib import topotest
from lib.topogen import Topogen, TopoRouter, get_topogen
from lib.topolog import logger
from lib.checkping import check_ping
from lib.bgp import verify_bgp_convergence_from_running_config
pytestmark = [pytest.mark.bgpd, pytest.mark.isisd]
def build_topo(tgen):
"""
+---+
| h1|
+---+
|
+---+
| r1| AS 65100
+---+
/ \ _____________
/ \
+---+ +---+
| r2| | r3| rr1 is route-reflector
+---+ +---+ for r2 and r3
\ /
\ /
+---+
|rr1| AS 65000
+---+
/ \
/ \
+---+ +---+
| r4| | r5| iBGP full-mesh between
+---+ +---+ rr1, r4, r5 and r6
\ /
\ /
+---+
| r6|
+---+
| _____________
|
| +---+
[sw1]-----|rs1| AS 65200
/\ +---+ rs1: route-server
/ \
/ \ _____________
+---+ +---+
| r7| | r8| AS 65700 (r7)
+---+ +---+ AS 65800 (r8)
| |
+---+ +---+
| h2| | h3|
+---+ +---+
"""
def connect_routers(tgen, left, right):
for rname in [left, right]:
if rname not in tgen.routers().keys():
tgen.add_router(rname)
switch = tgen.add_switch("s-{}-{}".format(left, right))
switch.add_link(tgen.gears[left], nodeif="eth-{}".format(right))
switch.add_link(tgen.gears[right], nodeif="eth-{}".format(left))
def connect_switchs(tgen, rname, switch):
if rname not in tgen.routers().keys():
tgen.add_router(rname)
switch.add_link(tgen.gears[rname], nodeif="eth-{}".format(switch.name))
connect_routers(tgen, "h1", "r1")
connect_routers(tgen, "r1", "r2")
connect_routers(tgen, "r1", "r3")
connect_routers(tgen, "r2", "rr1")
connect_routers(tgen, "r3", "rr1")
connect_routers(tgen, "rr1", "r4")
connect_routers(tgen, "rr1", "r5")
connect_routers(tgen, "r4", "r6")
connect_routers(tgen, "r5", "r6")
sw1 = tgen.add_switch("sw1")
connect_switchs(tgen, "r6", sw1)
connect_switchs(tgen, "rs1", sw1)
connect_switchs(tgen, "r7", sw1)
connect_switchs(tgen, "r8", sw1)
connect_routers(tgen, "r7", "h2")
connect_routers(tgen, "r8", "h3")
def setup_module(mod):
"Sets up the pytest environment"
tgen = Topogen(build_topo, mod.__name__)
tgen.start_topology()
logger.info("setup_module")
for rname, router in tgen.routers().items():
router.load_config(
TopoRouter.RD_ZEBRA, os.path.join(CWD, "{}/zebra.conf".format(rname))
)
if "h" in rname:
# hosts
continue
router.load_config(
TopoRouter.RD_BGP, os.path.join(CWD, "{}/bgpd.conf".format(rname))
)
if rname in ["r1", "r7", "r8", "rs1"]:
# external routers
continue
router.load_config(
TopoRouter.RD_ISIS, os.path.join(CWD, "{}/isisd.conf".format(rname))
)
# Initialize all routers.
tgen.start_router()
def teardown_module(_mod):
"Teardown the pytest environment"
tgen = get_topogen()
tgen.stop_topology()
def test_bgp_convergence():
"Assert that BGP is converging."
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
logger.info("waiting for bgp peers to go up")
for rname in tgen.routers().keys():
if "h" in rname:
# hosts
continue
result = verify_bgp_convergence_from_running_config(tgen, dut=rname)
assert result is True, "BGP is not converging on {}".format(rname)
def test_bgp_ipv4_nexthop_step1():
"Assert that BGP has correct ipv4 nexthops."
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
for rname, router in tgen.routers().items():
if "h" in rname:
# hosts
continue
if "rs1" in rname:
continue
ref_file = "{}/{}/bgp_ipv4.json".format(CWD, rname)
expected = json.loads(open(ref_file).read())
test_func = partial(
topotest.router_json_cmp,
router,
"show bgp ipv4 unicast json",
expected,
)
_, res = topotest.run_and_expect(test_func, None, count=30, wait=1)
assertmsg = "{}: BGP IPv4 Nexthop failure".format(rname)
assert res is None, assertmsg
def test_bgp_ipv6_nexthop_step1():
"Assert that BGP has correct ipv6 nexthops."
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
for rname, router in tgen.routers().items():
if "h" in rname:
# hosts
continue
if "rs1" in rname:
continue
ref_file = "{}/{}/bgp_ipv6_step1.json".format(CWD, rname)
expected = json.loads(open(ref_file).read())
test_func = partial(
topotest.router_json_cmp,
router,
"show bgp ipv6 unicast json",
expected,
)
_, res = topotest.run_and_expect(test_func, None, count=30, wait=1)
assertmsg = "{}: BGP IPv6 Nexthop failure".format(rname)
assert res is None, assertmsg
def test_bgp_ping_ok_step1():
"Check that h1 pings h2 and h3"
tgen = get_topogen()
if tgen.routers_have_failure():
pytest.skip(tgen.errors)
check_ping("h1", "192.168.7.1", True, 5, 1)
check_ping("h1", "fd00:700::1", True, 5, 1)
check_ping("h1", "192.168.8.1", True, 5, 1)
check_ping("h1", "fd00:800::1", True, 5, 1)
if __name__ == "__main__":
args = ["-s"] + sys.argv[1:]
sys.exit(pytest.main(args))