Skip to content

Example: reflexive access list

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
hostname r1
buggy
!
logging file debug ../binTmp/zzz61r1-log.run
!
access-list dyn4i
 hidden
 exit
!
access-list dyn4o
 hidden
 exit
!
access-list dyn6i
 hidden
 exit
!
access-list dyn6o
 hidden
 exit
!
access-list test4i
 sequence 10 evaluate permit dyn4i
 sequence 20 deny all any all any all
 exit
!
access-list test4o
 sequence 10 evaluate permit dyn4o
 sequence 20 permit all any all any all
 sequence 20 reflect dyn4o dyn4i 30000
 !
 exit
!
access-list test6i
 sequence 1 permit 58 fe80:: ffff:: all any all
 sequence 2 permit 58 any all fe80:: ffff:: all
 sequence 10 evaluate permit dyn6i
 sequence 20 deny all any all any all
 exit
!
access-list test6o
 sequence 10 evaluate permit dyn6o
 sequence 20 permit all any all any all
 sequence 20 reflect dyn6o dyn6i 30000
 !
 exit
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.1 255.255.255.252
 ipv4 access-group-in test4i
 ipv4 access-group-out test4o
 ipv6 address 1234::1 ffff:ffff::
 ipv6 access-group-in test6i
 ipv6 access-group-out test6o
 no shutdown
 no log-link-change
 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
hostname r2
buggy
!
logging file debug ../binTmp/zzz61r2-log.run
!
vrf definition tester
 exit
!
vrf definition v1
 rd 1:1
 exit
!
interface ethernet1
 no description
 vrf forwarding v1
 ipv4 address 1.1.1.2 255.255.255.252
 ipv6 address 1234::2 ffff:ffff::
 no shutdown
 no log-link-change
 exit
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
server telnet tester
 security protocol telnet
 no exec authorization
 no login authentication
 vrf tester
 exit
!
!
end