PBR 引流到路由器后产生环路

MSR36-20_1-5 分别为R1-R5 ,MSR-20_8 是R6,底层协议ospf ，R1-R3 建立IBGP邻居，R1与R4,R3-R4建立EBGP 邻居，并且R1-R5之间互联接口配置mpls ldp 功能 ，并且ldp 邻居正常。

<R1>dis cur
#
 version 7.1.064, Release 0427P22
#
 sysname R1
#
track 1 nqa entry admin test reaction 1
#
ospf 10 router-id 1.1.1.1
 area 0.0.0.0
#
 mpls lsr-id 1.1.1.1
#
 ip unreachables enable
 ip ttl-expires enable
#
 sysid R1
#
 system-working-mode standard
 xbar load-single
 password-recovery enable
 lpu-type f-series
#
vlan 1
#              
policy-based-route xxx deny node 5
 if-match acl 3001
#
policy-based-route xxx permit node 10
 if-match acl 3000
 apply next-hop 10.0.16.6 track 1
#
nqa entry admin test
 type icmp-echo
  destination ip 10.0.16.6
  frequency 1000
  next-hop ip 10.0.16.6
  reaction 1 checked-element probe-fail threshold-type consecutive 3 action-type trigger-only
#
 nqa schedule admin test start-time now lifetime forever
#
mpls ldp
#
interface Serial1/0
#
interface Serial2/0
#
interface Serial3/0
#
interface Serial4/0
#
interface NULL0
#
interface LoopBack0
 ip address 1.1.1.1 255.255.255.255
 ospf 10 area 0.0.0.0
#
interface GigabitEthernet0/0
 port link-mode route
 combo enable copper
 ip address 10.0.12.1 255.255.255.0
 ospf 10 area 0.0.0.0
 mpls enable
 mpls ldp enable
 ip policy-based-route xxx
#
interface GigabitEthernet0/1
 port link-mode route
 combo enable copper
 ip address 10.0.14.1 255.255.255.0
 mpls enable   
 mpls ldp enable
 ip policy-based-route xxx
#
interface GigabitEthernet0/2
 port link-mode route
 combo enable copper
 ip address 10.0.16.1 255.255.255.0
#
interface GigabitEthernet5/0
 port link-mode route
 combo enable copper
 ip address 10.0.61.1 255.255.255.0
#
interface GigabitEthernet5/1
 port link-mode route
 combo enable copper
#
interface GigabitEthernet6/0
 port link-mode route
 combo enable copper
#
interface GigabitEthernet6/1
 port link-mode route
 combo enable copper
#
bgp 100
 peer 2.2.2.2 as-number 100
 peer 2.2.2.2 connect-interface LoopBack0
 peer 10.0.14.4 as-number 200
 #
 address-family ipv4 unicast
  network 1.1.1.1 255.255.255.255
  peer 2.2.2.2 enable
  peer 2.2.2.2 next-hop-local
  peer 10.0.14.4 enable
#
 scheduler logfile size 16
#
line class aux
 user-role network-operator
#
line class console
 user-role network-admin
#
line class tty
 user-role network-operator
#
line class vty
 user-role network-operator
#
line aux 0
 user-role network-operator
#
line con 0
 user-role network-admin
#
line vty 0 63
 user-role network-operator
#
acl advanced 3000
 rule 5 permit ip source 192.168.1.1 0 destination 100.1.1.1 0 counting
#
acl advanced 3001
 rule 0 permit ip destination 1.1.1.1 0
 rule 5 permit ip source 10.0.14.0 0.0.0.255
 rule 10 permit ip destination 10.0.14.0 0.0.0.255
 rule 15 permit ip source 10.0.12.0 0.0.0.255
 rule 20 permit ip destination 10.0.12.0 0.0.0.255
#              
domain system
#
 domain default enable system
#
role name level-0
 description Predefined level-0 role
#
role name level-1
 description Predefined level-1 role
#
role name level-2
 description Predefined level-2 role
#
role name level-3
 description Predefined level-3 role
#
role name level-4
 description Predefined level-4 role
#
role name level-5
 description Predefined level-5 role
#
role name level-6
 description Predefined level-6 role
#
role name level-7
 description Predefined level-7 role
#
role name level-8
 description Predefined level-8 role
#
role name level-9
 description Predefined level-9 role
#
role name level-10
 description Predefined level-10 role
#
role name level-11
 description Predefined level-11 role
#
role name level-12
 description Predefined level-12 role
#
role name level-13
 description Predefined level-13 role
#              
role name level-14
 description Predefined level-14 role
#
user-group system
#
return
<R1>            
<R1>

<R2>dis cur
#
 version 7.1.064, Release 0427P22
#
 sysname R2
#
ospf 10 router-id 2.2.2.2
 area 0.0.0.0
#
 mpls lsr-id 2.2.2.2
#
 ip unreachables enable
 ip ttl-expires enable
#
 system-working-mode standard
 xbar load-single
 password-recovery enable
 lpu-type f-series
#
vlan 1
#
policy-based-route xxx deny node 5
 if-match acl 3001
#
policy-based-route xxx permit node 10
 if-match acl 3000
 apply next-hop 10.0.16.6 track 1
#
mpls ldp
#
interface Serial1/0
#
interface Serial2/0
#
interface Serial3/0
#
interface Serial4/0
#
interface NULL0
#
interface LoopBack0
 ip address 2.2.2.2 255.255.255.255
 ospf 10 area 0.0.0.0
#
interface GigabitEthernet0/0
 port link-mode route
 combo enable copper
 ip address 10.0.12.2 255.255.255.0
 ospf 10 area 0.0.0.0
 mpls enable
 mpls ldp enable
 ip policy-based-route xxx
#
interface GigabitEthernet0/1
 port link-mode route
 combo enable copper
 ip address 10.0.23.2 255.255.255.0
 ospf 10 area 0.0.0.0
 mpls enable
 mpls ldp enable
 ip policy-based-route xxx
#
interface GigabitEthernet0/2
 port link-mode route
 combo enable copper
 ip address 10.0.16.1 255.255.255.0
#
interface GigabitEthernet5/0
 port link-mode route
 combo enable copper
#              
interface GigabitEthernet5/1
 port link-mode route
 combo enable copper
#
interface GigabitEthernet6/0
 port link-mode route
 combo enable copper
#
interface GigabitEthernet6/1
 port link-mode route
 combo enable copper
#
bgp 100
 peer 1.1.1.1 as-number 100
 peer 1.1.1.1 connect-interface LoopBack0
 peer 3.3.3.3 as-number 100
 peer 3.3.3.3 connect-interface LoopBack0
 #
 address-family ipv4 unicast
  network 2.2.2.2 255.255.255.255
  peer 1.1.1.1 enable
  peer 1.1.1.1 next-hop-local
  peer 1.1.1.1 reflect-client
  peer 3.3.3.3 enable
  peer 3.3.3.3 next-hop-local
  peer 3.3.3.3 reflect-client
#
 scheduler logfile size 16
#
line class aux
 user-role network-operator
#
line class console
 user-role network-admin
#
line class tty
 user-role network-operator
#
line class vty
 user-role network-operator
#
line aux 0
 user-role network-operator
#
line con 0
 user-role network-admin
#
line vty 0 63
 user-role network-operator
#
domain system
#
 domain default enable system
#
role name level-0
 description Predefined level-0 role
#
role name level-1
 description Predefined level-1 role
#
role name level-2
 description Predefined level-2 role
#
role name level-3
 description Predefined level-3 role
#
role name level-4
 description Predefined level-4 role
#              
role name level-5
 description Predefined level-5 role
#
role name level-6
 description Predefined level-6 role
#
role name level-7
 description Predefined level-7 role
#
role name level-8
 description Predefined level-8 role
#
role name level-9
 description Predefined level-9 role
#
role name level-10
 description Predefined level-10 role
#
role name level-11
 description Predefined level-11 role
#
role name level-12
 description Predefined level-12 role
#
role name level-13
 description Predefined level-13 role
#
role name level-14
 description Predefined level-14 role
#
user-group system
#
return
<R2>                                        
<R2>

<R3>
<R3>dis cur
#
 version 7.1.064, Release 0427P22
#
 sysname R3
#
ospf 10 router-id 3.3.3.3
 area 0.0.0.0
#
 mpls lsr-id 3.3.3.3
#
 ip unreachables enable
 ip ttl-expires enable
#
 system-working-mode standard
 xbar load-single
 password-recovery enable
 lpu-type f-series
#
vlan 1
#
mpls ldp
#
interface Serial1/0
#              
interface Serial2/0
#
interface Serial3/0
#
interface Serial4/0
#
interface NULL0
#
interface LoopBack0
 ip address 3.3.3.3 255.255.255.255
 ospf 10 area 0.0.0.0
#
interface GigabitEthernet0/0
 port link-mode route
 combo enable copper
 ip address 10.0.23.3 255.255.255.0
 ospf 10 area 0.0.0.0
 mpls enable
 mpls ldp enable
#
interface GigabitEthernet0/1
 port link-mode route
 combo enable copper
 ip address 10.0.35.3 255.255.255.0
#
interface GigabitEthernet0/2
 port link-mode route
 combo enable copper
#
interface GigabitEthernet5/0
 port link-mode route
 combo enable copper
#
interface GigabitEthernet5/1
 port link-mode route
 combo enable copper
#
interface GigabitEthernet6/0
 port link-mode route
 combo enable copper
#
interface GigabitEthernet6/1
 port link-mode route
 combo enable copper
#
bgp 100        
 peer 2.2.2.2 as-number 100
 peer 2.2.2.2 connect-interface LoopBack0
 peer 10.0.35.5 as-number 300
 #
 address-family ipv4 unicast
  network 3.3.3.3 255.255.255.255
  peer 2.2.2.2 enable
  peer 2.2.2.2 next-hop-local
  peer 10.0.35.5 enable
#
 scheduler logfile size 16
#
line class aux
 user-role network-operator
#
line class console
 user-role network-admin
#
line class tty
 user-role network-operator
#
line class vty
 user-role network-operator
#
line aux 0
 user-role network-operator
#
line con 0
 user-role network-admin
#
line vty 0 63
 user-role network-operator
#
domain system
#
 domain default enable system
#
role name level-0
 description Predefined level-0 role
#
role name level-1
 description Predefined level-1 role
#
role name level-2
 description Predefined level-2 role
#              
role name level-3
 description Predefined level-3 role
#
role name level-4
 description Predefined level-4 role
#
role name level-5
 description Predefined level-5 role
#
role name level-6
 description Predefined level-6 role
#
role name level-7
 description Predefined level-7 role
#
role name level-8
 description Predefined level-8 role
#
role name level-9
 description Predefined level-9 role
#
role name level-10
 description Predefined level-10 role
#
role name level-11
 description Predefined level-11 role
#
role name level-12
 description Predefined level-12 role
#
role name level-13
 description Predefined level-13 role
#
role name level-14
 description Predefined level-14 role
#
user-group system
#
return
<R3>           
<R3>

<R4>dis cur
#
 version 7.1.064, Release 0427P22
#
 sysname R4
#
 mpls lsr-id 4.4.4.4
#
 ip unreachables enable
 ip ttl-expires enable
#
 sysid R4
#
 system-working-mode standard
 xbar load-single
 password-recovery enable
 lpu-type f-series
#
vlan 1
#
mpls ldp
#
interface Serial1/0
#
interface Serial2/0
#
interface Serial3/0
#
interface Serial4/0
#
interface NULL0
#
interface LoopBack0
 ip address 4.4.4.4 255.255.255.255
#
interface LoopBack1
 ip address 192.168.1.1 255.255.255.0
#
interface GigabitEthernet0/0
 port link-mode route
 combo enable copper
 ip address 10.0.14.4 255.255.255.0
 mpls enable
 mpls ldp enable
#
interface GigabitEthernet0/1
 port link-mode route
 combo enable copper
#
interface GigabitEthernet0/2
 port link-mode route
 combo enable copper
#
interface GigabitEthernet5/0
 port link-mode route
 combo enable copper
#
interface GigabitEthernet5/1
 port link-mode route
 combo enable copper
#
interface GigabitEthernet6/0
 port link-mode route
 combo enable copper
#
interface GigabitEthernet6/1
 port link-mode route
 combo enable copper
#
bgp 200
 peer 10.0.14.1 as-number 100
 #
 address-family ipv4 unicast
  network 4.4.4.4 255.255.255.255
  network 192.168.1.0 255.255.255.0
  peer 10.0.14.1 enable
#
 scheduler logfile size 16
#
line class aux
 user-role network-operator
#
line class console
 user-role network-admin
#
line class tty
 user-role network-operator
#
line class vty
 user-role network-operator
#
line aux 0
 user-role network-operator
#              
line con 0
 user-role network-admin
#
line vty 0 63
 user-role network-operator
#
domain system
#
 domain default enable system
#
role name level-0
 description Predefined level-0 role
#
role name level-1
 description Predefined level-1 role
#
role name level-2
 description Predefined level-2 role
#
role name level-3
 description Predefined level-3 role
#
role name level-4
 description Predefined level-4 role
#
role name level-5
 description Predefined level-5 role
#
role name level-6
 description Predefined level-6 role
#
role name level-7
 description Predefined level-7 role
#
role name level-8
 description Predefined level-8 role
#
role name level-9
 description Predefined level-9 role
#
role name level-10
 description Predefined level-10 role
#
role name level-11
 description Predefined level-11 role
#              
role name level-12
 description Predefined level-12 role
#
role name level-13
 description Predefined level-13 role
#
role name level-14
 description Predefined level-14 role
#
user-group system
#
return
<R4>                                     
<R4>

<R5>dis cur
#
 version 7.1.064, Release 0427P22
#
 sysname R5
#
 ip unreachables enable
 ip ttl-expires enable
#
 sysid R4
#
 system-working-mode standard
 xbar load-single
 password-recovery enable
 lpu-type f-series
#
vlan 1
#
interface Serial1/0
#
interface Serial2/0
#
interface Serial3/0
#
interface Serial4/0
#
interface NULL0
#
interface LoopBack1
 ip address 100.1.1.1 255.255.255.0
#
interface GigabitEthernet0/0
 port link-mode route
 combo enable copper
 ip address 10.0.35.5 255.255.255.0
#
interface GigabitEthernet0/1
 port link-mode route
 combo enable copper
#
interface GigabitEthernet0/2
 port link-mode route
 combo enable copper
#
interface GigabitEthernet5/0
 port link-mode route
 combo enable copper
#              
interface GigabitEthernet5/1
 port link-mode route
 combo enable copper
#
interface GigabitEthernet6/0
 port link-mode route
 combo enable copper
#
interface GigabitEthernet6/1
 port link-mode route
 combo enable copper
#
bgp 300
 peer 10.0.35.3 as-number 100
 #
 address-family ipv4 unicast
  network 100.1.1.0 255.255.255.0
  peer 10.0.35.3 enable
#
 scheduler logfile size 16
#
line class aux
 user-role network-operator
#
line class console
 user-role network-admin
#
line class tty
 user-role network-operator
#
line class vty
 user-role network-operator
#
line aux 0
 user-role network-operator
#
line con 0
 user-role network-admin
#
line vty 0 63
 user-role network-operator
#
domain system
#
 domain default enable system
#              
role name level-0
 description Predefined level-0 role
#
role name level-1
 description Predefined level-1 role
#
role name level-2
 description Predefined level-2 role
#
role name level-3
 description Predefined level-3 role
#
role name level-4
 description Predefined level-4 role
#
role name level-5
 description Predefined level-5 role
#
role name level-6
 description Predefined level-6 role
#
role name level-7
 description Predefined level-7 role
#
role name level-8
 description Predefined level-8 role
#
role name level-9
 description Predefined level-9 role
#
role name level-10
 description Predefined level-10 role
#
role name level-11
 description Predefined level-11 role
#
role name level-12
 description Predefined level-12 role
#
role name level-13
 description Predefined level-13 role
#
role name level-14
 description Predefined level-14 role
#
user-group system
#
return
<R5>                                               
<R5>

<R6>dis cur
#
 version 7.1.064, Release 0427P22
#
 sysname R6
#
 ip unreachables enable
 ip ttl-expires enable
#
 system-working-mode standard
 xbar load-single
 password-recovery enable
 lpu-type f-series
#
vlan 1
#
interface Serial1/0
#
interface Serial2/0
#
interface Serial3/0
#
interface Serial4/0
#
interface NULL0
#
interface GigabitEthernet0/0
 port link-mode route
 combo enable copper
 ip address 10.0.16.6 255.255.255.0
#
interface GigabitEthernet0/1
 port link-mode route
 combo enable copper
 ip address 10.0.61.16 255.255.255.0
#
interface GigabitEthernet0/2
 port link-mode route
 combo enable copper
#
interface GigabitEthernet5/0
 port link-mode route
 combo enable copper
#
interface GigabitEthernet5/1
 port link-mode route
 combo enable copper
#              
interface GigabitEthernet6/0
 port link-mode route
 combo enable copper
#
interface GigabitEthernet6/1
 port link-mode route
 combo enable copper
#
 scheduler logfile size 16
#
line class aux
 user-role network-operator
#
line class console
 user-role network-admin
#
line class tty
 user-role network-operator
#
line class vty
 user-role network-operator
#
line aux 0     
 user-role network-operator
#
line con 0
 user-role network-admin
#
line vty 0 63
 user-role network-operator
#
 ip route-static 0.0.0.0 0 10.0.16.1
#
domain system
#
 domain default enable system
#
role name level-0
 description Predefined level-0 role
#
role name level-1
 description Predefined level-1 role
#
role name level-2
 description Predefined level-2 role
#              
role name level-3
 description Predefined level-3 role
#
role name level-4
 description Predefined level-4 role
#
role name level-5
 description Predefined level-5 role
#
role name level-6
 description Predefined level-6 role
#
role name level-7
 description Predefined level-7 role
#
role name level-8
 description Predefined level-8 role
#
role name level-9
 description Predefined level-9 role
#
role name level-10
 description Predefined level-10 role
#
role name level-11
 description Predefined level-11 role
#
role name level-12
 description Predefined level-12 role
#
role name level-13
 description Predefined level-13 role
#
role name level-14
 description Predefined level-14 role
#
user-group system
#
return
<R6>                                    
<R6>

<R4>
<R4>tracert -a 192.168.1.1 100.1.1.1
traceroute to 100.1.1.1 (100.1.1.1) from 192.168.1.1, 30 hops at most, 40 bytes each packet, press CTRL+C to break
 1  10.0.14.1 (10.0.14.1)  0.791 ms  0.728 ms  0.645 ms
 2  10.0.16.6 (10.0.16.6)  1.109 ms  0.755 ms  1.217 ms
 3  10.0.16.1 (10.0.16.1)  1.599 ms  1.229 ms  1.168 ms
 4  10.0.16.6 (10.0.16.6)  1.213 ms  1.624 ms  1.964 ms
 5  10.0.16.1 (10.0.16.1)  0.996 ms  1.976 ms  1.291 ms
 6  10.0.16.6 (10.0.16.6)  2.136 ms  2.312 ms  1.714 ms
 7  10.0.16.1 (10.0.16.1)  1.840 ms  2.298 ms *
 8  10.0.16.6 (10.0.16.6)  2.947 ms  2.841 ms  2.525 ms
 9  10.0.16.1 (10.0.16.1)  3.200 ms  2.018 ms  2.161 ms
10  10.0.16.6 (10.0.16.6)  3.619 ms  2.488 ms  3.402 ms
11  10.0.16.1 (10.0.16.1)  2.886 ms  2.512 ms  3.671 ms
12  10.0.16.6 (10.0.16.6)  3.648 ms  3.743 ms  2.733 ms
13  10.0.16.1 (10.0.16.1)  3.129 ms  3.596 ms  3.904 ms
14  10.0.16.6 (10.0.16.6)  3.630 ms  3.985 ms *
15  10.0.16.1 (10.0.16.1)  4.231 ms  2.843 ms  3.755 ms
16  10.0.16.6 (10.0.16.6)  3.924 ms  3.866 ms  4.911 ms
17  10.0.16.1 (10.0.16.1)  4.433 ms  5.034 ms  4.040 ms
18  10.0.16.6 (10.0.16.6)  4.251 ms  6.207 ms  4.286 ms
19  10.0.16.1 (10.0.16.1)  4.913 ms  4.799 ms  5.504 ms
20  10.0.16.6 (10.0.16.6)  5.012 ms  5.312 ms  5.595 ms
21  10.0.16.1 (10.0.16.1)  4.956 ms  5.719 ms *
22  10.0.16.6 (10.0.16.6)  6.421 ms  5.169 ms  5.160 ms
23  10.0.16.1 (10.0.16.1)  4.964 ms  6.103 ms  4.856 ms
24  10.0.16.6 (10.0.16.6)  6.338 ms  7.052 ms  5.205 ms
25  10.0.16.1 (10.0.16.1)  6.623 ms  5.766 ms  4.965 ms
26  10.0.16.6 (10.0.16.6)  6.754 ms  6.956 ms  5.699 ms
27  10.0.16.1 (10.0.16.1)  7.208 ms  6.311 ms  7.193 ms
28  10.0.16.6 (10.0.16.6)  7.221 ms  6.826 ms *
29  10.0.16.1 (10.0.16.1)  8.865 ms  7.428 ms  6.927 ms
30  10.0.16.6 (10.0.16.6)  7.188 ms  8.371 ms  6.611 ms
!Destination not found inside Max Hop Count.
<R4>