iBGP水平分割实验联邦和路由反射器解决方案问题求各位IE帮忙解诀。

764084010

拓扑图是从GNS3上截图下来的传上来后看不清楚。解释一下
从左到又一次为R1、R2、R3、R4、R5、R6、R7、R8
                        R1和R2网段为12.0.0.0  R1接口为.1  R2的接口为.2  依次类推。
                        R1和R8分别在AS1和AS3         (注：BGP协议)   
                        R2-R7运行OSPF协议和BGP协议 BGP AS为2
                        R3和R4在一个联邦AS为 64512
                        R6和R7在一个联邦AS为 64513
                        R5配置路由反射器，R4和R6为R5的Client
                       其他都为正常配置且R4、R5、R6上软清和硬清都做了也重启了。

问题：R5和R6的邻居关系为IDLE,R4和R5邻居关系正常。下面分别是R5和R6的报错信息
R5#
*Mar  1 02:06:13.703: %BGP-5-ADJCHANGE: neighbor 6.6.6.6 Up
*Mar  1 02:06:13.931: %BGP-5-ADJCHANGE: neighbor 6.6.6.6 Down BGP Notification sent
*Mar  1 02:06:13.931: %BGP-3-NOTIFICATION: sent to neighbor 6.6.6.6 3/3 (update missing required attributes) 0 bytes
R5# FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF 002F 0200 0000 1440 0101 0040 0206 0202 0002 0003 4003 0406 0606 0618 0808 08

R6#
*Mar  1 00:14:13.175: %BGP-5-ADJCHANGE: neighbor 5.5.5.5 Up
*Mar  1 00:14:13.375: %BGP-3-NOTIFICATION: received from neighbor 5.5.5.5 3/3 (update missing required attributes) 0 bytes
R6#
*Mar  1 00:14:13.375: %BGP-5-ADJCHANGE: neighbor 5.5.5.5 Down BGP Notification received

R4、R5和R6中的关键配置：
R4：
router ospf 1
log-adjacency-changes
network 4.4.4.0 0.0.0.255 area 0
network 34.0.0.0 0.0.0.255 area 0
network 45.0.0.0 0.0.0.255 area 0
!
router bgp 64512
no synchronization
bgp log-neighbor-changes
bgp confederation identifier 2
bgp confederation peers 64513
neighbor 3.3.3.3 remote-as 64512
neighbor 3.3.3.3 ebgp-multihop 255
neighbor 5.5.5.5 remote-as 2
neighbor 5.5.5.5 ebgp-multihop 255
neighbor 5.5.5.5 update-source Loopback4
no auto-summary
!
R5:
router ospf 1
log-adjacency-changes
network 5.5.5.0 0.0.0.255 area 0
network 45.0.0.0 0.0.0.255 area 0
network 56.0.0.0 0.0.0.255 area 0
!
router bgp 2
no synchronization
bgp log-neighbor-changes
neighbor 4.4.4.4 remote-as 2
neighbor 4.4.4.4 ebgp-multihop 255
neighbor 4.4.4.4 update-source Loopback5
neighbor 6.6.6.6 remote-as 2
neighbor 6.6.6.6 ebgp-multihop 255
neighbor 6.6.6.6 update-source Loopback5
no auto-summary
!

R6：
router ospf 1
log-adjacency-changes
network 6.6.6.0 0.0.0.255 area 0
network 56.0.0.0 0.0.0.255 area 0
network 67.0.0.0 0.0.0.255 area 0
!
router bgp 64513
no synchronization
bgp log-neighbor-changes
bgp confederation identifier 2
bgp confederation peers 64512
neighbor 5.5.5.5 remote-as 2
neighbor 5.5.5.5 ebgp-multihop 255
neighbor 5.5.5.5 update-source Loopback6
neighbor 7.7.7.7 remote-as 64513
neighbor 7.7.7.7 update-source Loopback6
no auto-summary
!

由于R4和R5正常所以R4没有做debug,以下分别是R5和R6的debug信息.
R5:
R5#debug ip bgp updates
BGP updates debugging is on
R5#
*Mar  1 01:58:46.299: %BGP-5-ADJCHANGE: neighbor 6.6.6.6 Up
*Mar  1 01:58:46.403: BGP(0): 6.6.6.6 computing updates, afi 0, neighbor version 0, table version 1, starting at 0.0.0.0
*Mar  1 01:58:46.403: BGP(0): 6.6.6.6 update run completed, afi 0, ran for 0ms, neighbor version 0, start version 1, throttled to 1
*Mar  1 01:58:46.403: BGP(0): 6.6.6.6 initial update completed
*Mar  1 01:58:46.511: BGP: 6.6.6.6 Update missing attributes, flags 0x7
*Mar  1 01:58:46.511: %BGP-5-ADJCHANGE: neighbor 6.6.6.6 Down BGP Notification sent
*Mar  1 01:58:46.511: %BGP-3-NOTIFICATION: sent to neighbor 6.6.6.6 3/3 (update missing required attributes) 0 bytes
R5# FFFF FFFF FFFF FFFF FFFF FFFF FFFF FFFF 002F 0200 0000 1440 0101 0040 0206 0202 0002 0003 4003 0406 0606 0618 0808 08

R6:
R6#debug ip bgp updates
BGP updates debugging is on
R6#
*Mar  1 00:06:13.807: %BGP-5-ADJCHANGE: neighbor 5.5.5.5 Up
*Mar  1 00:06:13.907: BGP(0): 5.5.5.5 computing updates, afi 0, neighbor version 0, table version 2, starting at 0.0.0.0
*Mar  1 00:06:13.907: BGP(0): 5.5.5.5 send UPDATE (format) 8.8.8.0/24, next 6.6.6.6, metric 0, path 3
*Mar  1 00:06:13.907: BGP(0): 5.5.5.5 1 updates enqueued (average=47, maximum=47)
*Mar  1 00:06:13.911: BGP(0): 5.5.5.5 update run completed, afi 0, ran for 4ms, neighbor version 0, start version 2, throttled to 2
*Mar  1 00:06:13.911: BGP(0): 5.5.5.5 initial update completed
*Mar  1 00:06:13.947: %BGP-3-NOTIFICATION: received from neighbor 5.5.5.5 3/3 (update missing required attributes) 0 bytes
R6#
*Mar  1 00:06:13.947: %BGP-5-ADJCHANGE: neighbor 5.5.5.5 Down BGP Notification received

R4和R6的配置是一样的而R5上的配置也是正确的。着实让人纠结。

fjd900

被现实踹了脸