求解一个flapping问题,双端口可学一个MAC

如下的错误,感觉不是ARP Router#2007 Sep 18 11:44:39 %SYS-4-P2_WARN: 1/Host 00:07:0d:04:74:07 is flapping between port 2/3 and port 3/1 3/2

具体配置如下,
4006 CL 6.2
#vtp
set vtp domain shejiyuan
set vtp v2 enable
set vtp pruning enable
set vlan 1 name default type ethernet mtu 1500 said 100001 state active
set vlan 2 name yibu type ethernet mtu 1500 said 100002 state active
set vlan 3 name erbu type ethernet mtu 1500 said 100003 state active
set vlan 4 name sanbu type ethernet mtu 1500 said 100004 state active
set vlan 5 name sibu type ethernet mtu 1500 said 100005 state active
set vlan 6 name wubu type ethernet mtu 1500 said 100006 state active
set vlan 7 name manage type ethernet mtu 1500 said 100007 state active
set vlan 8 name fenzhi type ethernet mtu 1500 said 100008 state active
set vlan 9 name jituan type ethernet mtu 1500 said 100009 state active
set vlan 15 name service type ethernet mtu 1500 said 100015 state active
set vlan 16 name out type ethernet mtu 1500 said 100016 state active
set vlan 1002 name fddi-default type fddi mtu 1500 said 101002 state active
set vlan 1004 name fddinet-default type fddinet mtu 1500 said 101004 state activ
e bridge 0x0 stp ieee
set vlan 1005 name trbrf-default type trbrf mtu 4472 said 101005 state active br
idge 0xf stp ibm
set vlan 1003 name trcrf-default type trcrf mtu 4472 said 101003 state active pa
rent 1005 ring 0xccc mode srb aremaxhop 7 stemaxhop 7 backupcrf off
!
#ip
set interface sc0 1 172.16.1.1/255.255.255.0 172.16.1.255

set interface sl0 down
set interface me1 down
set ip route 0.0.0.0/0.0.0.0 172.16.1.254
!
#spantree
#vlan 1
set spantree priority 5 1
!
#syslog
set logging console disable
set logging level cops 2 default
!
#set boot command
set boot config-register 0x2
set boot system flash bootflash:cat4000.6-2-1.bin
!
#mls
set mls nde disable
!
#port channel
set port channel 3/1-2 1
!
#module 1 : 2-port 1000BaseX Supervisor
set trunk 1/1 on dot1q 1-1005
set trunk 1/2 on dot1q 1-1005
!
#module 2 : 6-port 1000BaseX Ethernet
set trunk 2/1 on dot1q 1-1005
set trunk 2/2 on dot1q 1-1005
set trunk 2/3 on dot1q 1-1005
set trunk 2/4 on dot1q 1-1005
set trunk 2/5 on dot1q 1-1005
set trunk 2/6 on dot1q 1-1005
!
#module 3 : 34-port Router Switch Card
set vlan 8 3/3-34
set trunk 3/1 on dot1q 1-1005
set trunk 3/2 on dot1q 1-1005
set port channel 3/1-2 mode on
!
#module 4 : 48-port 10/100BaseTx Ethernet
set vlan 4 4/1,4/3,4/5,4/7,4/9,4/11,4/13,4/15,4/17,4/19,4/21,4/23,4/25,4/27,4
/29,4/31,4/33,4/35,4/37,4/39
set vlan 6 4/2,4/4,4/6,4/8,4/10,4/12,4/14,4/16,4/18,4/20,4/22,4/24,4/26,4/28,
4/30,4/32,4/34,4/36,4/38,4/40-48
!

#module 3 : 34-port Router Switch Card
set vlan 8 3/3-34
set trunk 3/1 on dot1q 1-1005
set trunk 3/2 on dot1q 1-1005
set port channel 3/1-2 mode on
============================================[路邮模块]
IOS 12.0

interface Port-channel1
no ip address
no ip directed-broadcast
hold-queue 300 in
!
interface Port-channel1.1
encapsulation dot1Q 1 native
no ip redirects
no ip directed-broadcast
bridge-group 1
bridge-group 1 priority 20
!
interface Port-channel1.2
encapsulation dot1Q 2
no ip redirects
no ip directed-broadcast
bridge-group 2
!
interface Port-channel1.3
encapsulation dot1Q 3
ip address 172.16.3.254 255.255.255.0
ip helper-address 172.16.15.1
ip helper-address 172.16.15.6
no ip redirects
no ip directed-broadcast
!
interface Port-channel1.4
encapsulation dot1Q 4
ip address 172.16.4.254 255.255.255.0
ip helper-address 172.16.15.1
ip helper-address 172.16.15.6
no ip redirects
no ip directed-broadcast
!
interface Port-channel1.5
encapsulation dot1Q 5
ip address 172.16.5.254 255.255.255.0
ip helper-address 172.16.15.1
ip helper-address 172.16.15.6
no ip redirects
no ip directed-broadcast
!
interface Port-channel1.6
encapsulation dot1Q 6
ip address 172.16.6.254 255.255.255.0
ip helper-address 172.16.15.1
ip helper-address 172.16.15.6
no ip redirects
no ip directed-broadcast
!
interface Port-channel1.7
encapsulation dot1Q 7
ip address 172.16.7.254 255.255.255.0
--More-- 2007 Sep 18 11:44:22 %SYS-4-P2_WARN: 1/Host 00:07:0d:04:74:07 is flapp
ing between port 2/3 and port 3/1 3/2
ip helper-address 172.16.15.1
ip helper-address 172.16.15.6
no ip redirects
no ip directed-broadcast
!
interface Port-channel1.8
encapsulation dot1Q 8
ip address 172.16.8.254 255.255.255.0
ip helper-address 172.16.15.1
ip helper-address 172.16.15.6
no ip redirects
no ip directed-broadcast
!
interface Port-channel1.9
encapsulation dot1Q 9
ip address 172.16.9.254 255.255.255.0
ip helper-address 172.16.15.1
ip helper-address 172.16.15.6
no ip redirects
no ip directed-broadcast
!
interface Port-channel1.15
encapsulation dot1Q 15
ip address 172.16.15.254 255.255.255.0
no ip redirects
no ip directed-broadcast
!
interface Port-channel1.16
encapsulation dot1Q 16
ip address 172.16.16.254 255.255.255.0
ip helper-address 172.16.15.1
ip helper-address 172.16.15.6
no ip redirects
no ip directed-broadcast
!
interface Port-channel17
no ip address
no ip directed-broadcast
hold-queue 300 in
!
interface FastEthernet1
no ip address
no ip directed-broadcast
shutdown
!
interface GigabitEthernet1
no ip address
no ip directed-broadcast
!
interface GigabitEthernet1.1
encapsulation dot1Q 1 native
no ip redirects
no ip directed-broadcast
bridge-group 1
!
interface GigabitEthernet1.2
encapsulation dot1Q 2
no ip redirects
no ip directed-broadcast
bridge-group 2
!
interface GigabitEthernet2
ip address 172.16.14.254 255.255.255.0
ip helper-address 172.16.15.1
ip helper-address 172.16.15.6
no ip redirects
no ip directed-broadcast
!
interface GigabitEthernet3
no ip address
no ip directed-broadcast
no negotiation auto
channel-group 1
!
interface GigabitEthernet4
no ip address
no ip directed-broadcast
no negotiation auto
channel-group 1
!
interface BVI2
ip address 172.16.2.254 255.255.255.0
ip helper-address 172.16.15.1
ip helper-address 172.16.15.6
no ip directed-broadcast
!
ip classless
ip route 0.0.0.0 0.0.0.0 172.16.16.10
!
bridge 1 protocol ieee
bridge 1 route ip
bridge 2 protocol ieee
bridge 2 route ip