Skip to content

Example: bgp locpref with soft-reconfig

r1:

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
hostname r1
buggy
!
logging file debug ../binTmp/zzz14r1-log.run
!
route-map rm1
 sequence 10 action permit
 sequence 10 set locpref set 4321
 !
 exit
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
interface loopback0
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.1 255.255.255.255
 ipv6 address 4321::1 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface loopback1
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.111 255.255.255.255
 ipv6 address 4321::111 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface loopback2
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.222 255.255.255.255
 ipv6 address 4321::222 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.1 255.255.255.252
 ipv6 address 1234:1::1 ffff:ffff::
 no shutdown
 no log-link-change
 exit
!
router bgp4 1
 vrf v1
 local-as 1
 router-id 4.4.4.1
 no safe-ebgp
 address-family unicast
 neighbor 1.1.1.2 remote-as 1
 no neighbor 1.1.1.2 description
 neighbor 1.1.1.2 local-as 1
 neighbor 1.1.1.2 address-family unicast
 neighbor 1.1.1.2 distance 200
 neighbor 1.1.1.2 soft-reconfiguration
 redistribute connected route-map rm1
 exit
!
router bgp6 1
 vrf v1
 local-as 1
 router-id 6.6.6.1
 no safe-ebgp
 address-family unicast
 neighbor 1234:1::2 remote-as 1
 no neighbor 1234:1::2 description
 neighbor 1234:1::2 local-as 1
 neighbor 1234:1::2 address-family unicast
 neighbor 1234:1::2 distance 200
 neighbor 1234:1::2 soft-reconfiguration
 redistribute connected route-map rm1
 exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
server telnet tel
 port 666
 no exec authorization
 no login authentication
 vrf v1
 exit
!
server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end

r2:

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
hostname r2
buggy
!
logging file debug ../binTmp/zzz14r2-log.run
!
prefix-list p4
 sequence 10 deny 2.2.2.222/32 ge 32 le 32
 sequence 20 permit 0.0.0.0/0 ge 0 le 32
 exit
!
prefix-list p6
 sequence 10 deny 4321::222/128 ge 128 le 128
 sequence 20 permit ::/0 ge 0 le 128
 exit
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
interface loopback0
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.2 255.255.255.255
 ipv6 address 4321::2 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.2 255.255.255.252
 ipv6 address 1234:1::2 ffff:ffff::
 no shutdown
 no log-link-change
 exit
!
interface ethernet2
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.5 255.255.255.252
 ipv6 address 1234:2::1 ffff:ffff::
 no shutdown
 no log-link-change
 exit
!
router bgp4 1
 vrf v1
 local-as 1
 router-id 4.4.4.2
 no safe-ebgp
 address-family unicast
 neighbor 1.1.1.1 remote-as 1
 no neighbor 1.1.1.1 description
 neighbor 1.1.1.1 local-as 1
 neighbor 1.1.1.1 address-family unicast
 neighbor 1.1.1.1 distance 200
 neighbor 1.1.1.1 soft-reconfiguration
 neighbor 1.1.1.1 prefix-list-in p4
 neighbor 1.1.1.6 remote-as 1
 no neighbor 1.1.1.6 description
 neighbor 1.1.1.6 local-as 1
 neighbor 1.1.1.6 address-family unicast
 neighbor 1.1.1.6 distance 200
 neighbor 1.1.1.6 soft-reconfiguration
 neighbor 1.1.1.6 prefix-list-in p4
 redistribute connected
 exit
!
router bgp6 1
 vrf v1
 local-as 1
 router-id 6.6.6.2
 no safe-ebgp
 address-family unicast
 neighbor 1234:1::1 remote-as 1
 no neighbor 1234:1::1 description
 neighbor 1234:1::1 local-as 1
 neighbor 1234:1::1 address-family unicast
 neighbor 1234:1::1 distance 200
 neighbor 1234:1::1 soft-reconfiguration
 neighbor 1234:1::1 prefix-list-in p6
 neighbor 1234:2::2 remote-as 1
 no neighbor 1234:2::2 description
 neighbor 1234:2::2 local-as 1
 neighbor 1234:2::2 address-family unicast
 neighbor 1234:2::2 distance 200
 neighbor 1234:2::2 soft-reconfiguration
 neighbor 1234:2::2 prefix-list-in p6
 redistribute connected
 exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end

r3:

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
hostname r3
buggy
!
logging file debug ../binTmp/zzz14r3-log.run
!
route-map rm1
 sequence 10 action permit
 sequence 10 set locpref set 1234
 !
 exit
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
interface loopback0
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.3 255.255.255.255
 ipv6 address 4321::3 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface loopback1
 no description
 vrf forwarding v1
 ipv4 address 2.2.2.111 255.255.255.255
 ipv6 address 4321::111 ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
 no shutdown
 no log-link-change
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.6 255.255.255.252
 ipv6 address 1234:2::2 ffff:ffff::
 no shutdown
 no log-link-change
 exit
!
router bgp4 1
 vrf v1
 local-as 1
 router-id 4.4.4.3
 no safe-ebgp
 address-family unicast
 neighbor 1.1.1.5 remote-as 1
 no neighbor 1.1.1.5 description
 neighbor 1.1.1.5 local-as 1
 neighbor 1.1.1.5 address-family unicast
 neighbor 1.1.1.5 distance 200
 neighbor 1.1.1.5 soft-reconfiguration
 redistribute connected route-map rm1
 exit
!
router bgp6 1
 vrf v1
 local-as 1
 router-id 6.6.6.3
 no safe-ebgp
 address-family unicast
 neighbor 1234:2::1 remote-as 1
 no neighbor 1234:2::1 description
 neighbor 1234:2::1 local-as 1
 neighbor 1234:2::1 address-family unicast
 neighbor 1234:2::1 distance 200
 neighbor 1234:2::1 soft-reconfiguration
 redistribute connected route-map rm1
 exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end