EBGP学不到对方对端路由器的loop地址，但却能学到下一跳路由器的loopback地址

<ra>dis cu
#
 version 7.1.075, Alpha 7571
#
 sysname ra
#
 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 LoopBack0
 ip address 1.1.1.1 255.255.255.0
#
interface GigabitEthernet0/0
 port link-mode route
 combo enable copper
 ip address 8.1.1.1 255.255.255.0
#
interface GigabitEthernet0/1
 port link-mode route
 combo enable copper
 ip address 3.1.1.2 255.255.255.0
#
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 65008
 router-id 1.1.1.1
 peer 3.1.1.1 as-number 65009
 #
 address-family ipv4 unicast
  network 8.1.1.0 255.255.255.0
  peer 3.1.1.1 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
 idle-timeout 35000 0
#
line vty 0 63
 user-role network-operator
#
domain name 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
<ra>                               dis ip rou

Destinations : 22       Routes : 22

Destination/Mask   Proto   Pre Cost        NextHop         Interface
0.0.0.0/32         Direct  0   0           127.0.0.1       InLoop0
1.1.1.0/24         Direct  0   0           1.1.1.1         Loop0
1.1.1.0/32         Direct  0   0           1.1.1.1         Loop0
1.1.1.1/32         Direct  0   0           127.0.0.1       InLoop0
1.1.1.255/32       Direct  0   0           1.1.1.1         Loop0
3.1.1.0/24         Direct  0   0           3.1.1.2         GE0/1
3.1.1.0/32         Direct  0   0           3.1.1.2         GE0/1
3.1.1.2/32         Direct  0   0           127.0.0.1       InLoop0
3.1.1.255/32       Direct  0   0           3.1.1.2         GE0/1
3.3.3.3/32         BGP     255 1           3.1.1.1         GE0/1
8.1.1.0/24         Direct  0   0           8.1.1.1         GE0/0
8.1.1.0/32         Direct  0   0           8.1.1.1         GE0/0
8.1.1.1/32         Direct  0   0           127.0.0.1       InLoop0
8.1.1.255/32       Direct  0   0           8.1.1.1         GE0/0
10.1.1.0/24        BGP     255 2           3.1.1.1         GE0/1
127.0.0.0/8        Direct  0   0           127.0.0.1       InLoop0
127.0.0.0/32       Direct  0   0           127.0.0.1       InLoop0
127.0.0.1/32       Direct  0   0           127.0.0.1       InLoop0
127.255.255.255/32 Direct  0   0           127.0.0.1       InLoop0
224.0.0.0/4        Direct  0   0           0.0.0.0         NULL0
224.0.0.0/24       Direct  0   0           0.0.0.0         NULL0
255.255.255.255/32 Direct  0   0           127.0.0.1       InLoop0
<ra>ping 2.2.2.2
Ping 2.2.2.2 (2.2.2.2): 56 data bytes, press CTRL_C to break
Request time out
Request time out
Request time out
Request time out
Request time out

--- Ping statistics for 2.2.2.2 ---
5 packet(s) transmitted, 0 packet(s) received, 100.0% packet loss
<ra>%Sep  6 14:33:42:800 2019 ra PING/6/PING_STATISTICS: Ping statistics for 2.2.2.2: 5 packet(s) transmitted, 0 packet(s) received, 100.0% packet loss.

<ra>ping 3.3.3.3
Ping 3.3.3.3 (3.3.3.3): 56 data bytes, press CTRL_C to break
56 bytes from 3.3.3.3: icmp_seq=0 ttl=254 time=1.000 ms
56 bytes from 3.3.3.3: icmp_seq=1 ttl=254 time=14.000 ms
56 bytes from 3.3.3.3: icmp_seq=2 ttl=254 time=13.000 ms
56 bytes from 3.3.3.3: icmp_seq=3 ttl=254 time=2.000 ms
56 bytes from 3.3.3.3: icmp_seq=4 ttl=254 time=2.000 ms

--- Ping statistics for 3.3.3.3 ---
5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss
round-trip min/avg/max/std-dev = 1.000/6.400/14.000/5.817 ms
<ra>%Sep  6 14:34:42:277 2019 ra PING/6/PING_STATISTICS: Ping statistics for 3.3.3.3: 5 packet(s) transmitted, 5 packet(s) received, 0.0% packet loss, round-trip min/avg/max/std-dev = 1.000/6.400/14.000/5.817 ms.

<ra>
=========================================================

<rb>dis cu
#
 version 7.1.075, Alpha 7571
#
 sysname rb
#
ospf 1
 import-route direct
 import-route bgp type 1
 area 0.0.0.0
  network 2.2.2.2 0.0.0.0
  network 9.1.1.0 0.0.0.255
#
 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 LoopBack0
 ip address 2.2.2.2 255.255.255.255
#
interface GigabitEthernet0/0
 port link-mode route
 combo enable copper
 ip address 3.1.1.1 255.255.255.0
#
interface GigabitEthernet0/1
 port link-mode route
 combo enable copper
 ip address 9.1.1.1 255.255.255.0
#
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 65009
 router-id 2.2.2.2
 peer 3.1.1.2 as-number 65008
 peer 3.3.3.3 as-number 65009
 peer 3.3.3.3 connect-interface LoopBack0
 #
 address-family ipv4 unicast
  import-route ospf 1
  peer 3.1.1.2 enable
  peer 3.3.3.3 enable
#
route-policy waiwang permit node 10
 if-match ip address acl 2222
#
 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
 idle-timeout 35000 0
#
line vty 0 63
 user-role network-operator
#
domain name 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
<rb>                                    dis ip ro
<rb>dis ip routing-table

Destinations : 20       Routes : 20

Destination/Mask   Proto   Pre Cost        NextHop         Interface
0.0.0.0/32         Direct  0   0           127.0.0.1       InLoop0
2.2.2.2/32         Direct  0   0           127.0.0.1       InLoop0
3.1.1.0/24         Direct  0   0           3.1.1.1         GE0/0
3.1.1.0/32         Direct  0   0           3.1.1.1         GE0/0
3.1.1.1/32         Direct  0   0           127.0.0.1       InLoop0
3.1.1.255/32       Direct  0   0           3.1.1.1         GE0/0
3.3.3.3/32         O_INTRA 10  1           9.1.1.2         GE0/1
8.1.1.0/24         BGP     255 0           3.1.1.2         GE0/0
9.1.1.0/24         Direct  0   0           9.1.1.1         GE0/1
9.1.1.0/32         Direct  0   0           9.1.1.1         GE0/1
9.1.1.1/32         Direct  0   0           127.0.0.1       InLoop0
9.1.1.255/32       Direct  0   0           9.1.1.1         GE0/1
10.1.1.0/24        O_INTRA 10  2           9.1.1.2         GE0/1
127.0.0.0/8        Direct  0   0           127.0.0.1       InLoop0
127.0.0.0/32       Direct  0   0           127.0.0.1       InLoop0
127.0.0.1/32       Direct  0   0           127.0.0.1       InLoop0
127.255.255.255/32 Direct  0   0           127.0.0.1       InLoop0
224.0.0.0/4        Direct  0   0           0.0.0.0         NULL0
224.0.0.0/24       Direct  0   0           0.0.0.0         NULL0
255.255.255.255/32 Direct  0   0           127.0.0.1       InLoop0
<rb>
===================================================

[rc-ospf-1]dis cu
#
 version 7.1.075, Alpha 7571
#
 sysname rc
#
ospf 1
 area 0.0.0.0
  network 3.3.3.3 0.0.0.0
  network 9.1.1.0 0.0.0.255
  network 10.1.1.0 0.0.0.255
#
 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 LoopBack0
 ip address 3.3.3.3 255.255.255.255
#
interface GigabitEthernet0/0
 port link-mode route
 combo enable copper
 ip address 9.1.1.2 255.255.255.0
#
interface GigabitEthernet0/1
 port link-mode route
 combo enable copper
 ip address 10.1.1.1 255.255.255.0
#
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 65009
 router-id 3.3.3.3
 peer 2.2.2.2 as-number 65009
 peer 2.2.2.2 connect-interface LoopBack0
 #
 address-family ipv4 unicast
  peer 2.2.2.2 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
 idle-timeout 35000 0
#
line vty 0 63
 user-role network-operator
#
domain name 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
[rc-ospf-1]
[rc-ospf-1]dis ip ro
[rc-ospf-1]dis ip
<rc>dis ip ro
<rc>dis ip routing-table

Destinations : 20       Routes : 20

Destination/Mask   Proto   Pre Cost        NextHop         Interface
0.0.0.0/32         Direct  0   0           127.0.0.1       InLoop0
2.2.2.2/32         O_INTRA 10  1           9.1.1.1         GE0/0
3.1.1.0/24         O_ASE2  150 1           9.1.1.1         GE0/0
3.3.3.3/32         Direct  0   0           127.0.0.1       InLoop0
8.1.1.0/24         O_ASE1  150 2           9.1.1.1         GE0/0
9.1.1.0/24         Direct  0   0           9.1.1.2         GE0/0
9.1.1.0/32         Direct  0   0           9.1.1.2         GE0/0
9.1.1.2/32         Direct  0   0           127.0.0.1       InLoop0
9.1.1.255/32       Direct  0   0           9.1.1.2         GE0/0
10.1.1.0/24        Direct  0   0           10.1.1.1        GE0/1
10.1.1.0/32        Direct  0   0           10.1.1.1        GE0/1
10.1.1.1/32        Direct  0   0           127.0.0.1       InLoop0
10.1.1.255/32      Direct  0   0           10.1.1.1        GE0/1
127.0.0.0/8        Direct  0   0           127.0.0.1       InLoop0
127.0.0.0/32       Direct  0   0           127.0.0.1       InLoop0
127.0.0.1/32       Direct  0   0           127.0.0.1       InLoop0
127.255.255.255/32 Direct  0   0           127.0.0.1       InLoop0
224.0.0.0/4        Direct  0   0           0.0.0.0         NULL0
224.0.0.0/24       Direct  0   0           0.0.0.0         NULL0
255.255.255.255/32 Direct  0   0           127.0.0.1       InLoop0
<rc>

ra==========ebgp======rb========ibgp===========rc

唯一与手册不一样的是我没有在rb的bgp里引入直连

而是在bgp里引入了ospf

ospf里引入直连