OSPF协议老是出现UP/DOWN，求大神看看是什么问题导致

[hzj114]

CS02#show inter ten 1/3
TenGigabitEthernet1/3 is up, line protocol is up (connected)
Hardware is C6k 10000Mb 802.3, address is 0026.cb31.3800 (bia 0026.cb31.3800)
Description: Connect.........GDSS-BDC-COR-CS01 10GE2/4/0/47
Internet address is 10.24.240.14/30
MTU 1500 bytes, BW 10000000 Kbit, DLY 10 usec,
reliability 253/255, txload 1/255, rxload 8/255
Encapsulation ARPA, loopback not set
Keepalive set (10 sec)
Full-duplex, 10Gb/s, media type is 10Gbase-LR
input flow-control is on, output flow-control is off
ARP type: ARPA, ARP Timeout 04:00:00
Last input 00:00:00, output 00:00:00, output hang never
Last clearing of "show interface" counters 1d23h
Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 0
Queueing strategy: fifo
Output queue: 0/40 (size/max)
5 minute input rate 333062000 bits/sec, 35884 packets/sec
5 minute output rate 51759000 bits/sec, 8951 packets/sec
L2 Switched: ucast: 23652 pkt, 1655598 bytes - mcast: 314276 pkt, 37277492 bytes
L3 in Switched: ucast: 14395193805 pkt, 19735879506218 bytes - mcast: 0 pkt, 0 bytes mcast
L3 out Switched: ucast: 2637596924 pkt, 483372804428 bytes mcast: 0 pkt, 0 bytes
14565163565 packets input, 19990940687704 bytes, 0 no buffer
Received 314285 broadcasts (0 IP multicasts)
1 runts, 1425192 giants, 0 throttles
171721408 input errors, 167553426 CRC, 1196681 frame, 0 overrun, 0 ignored
0 watchdog, 0 multicast, 0 pause input
0 input packets with dribble condition detected
2637999929 packets output, 483618909483 bytes, 0 underruns
0 output errors, 0 collisions, 0 interface resets
0 babbles, 0 late collision, 0 deferred
0 lost carrier, 0 no carrier, 0 PAUSE output
0 output buffer failures, 0 output buffers swapped out
CS02# show log

Log Buffer (16384 bytes):
04:19:51.934: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from FULL to DOWN, Neighbor Down: Interface down or detached
Jan 10 04:20:13.458: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from LOADING to FULL, Loading Done
Jan 10 06:00:08.137: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from FULL to DOWN, Neighbor Down: Interface down or detached
Jan 10 06:00:23.501: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from LOADING to FULL, Loading Done
Jan 10 20:45:17.999: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from FULL to DOWN, Neighbor Down: Interface down or detached
Jan 10 20:45:38.971: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from LOADING to FULL, Loading Done
Jan 11 03:22:44.399: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from FULL to DOWN, Neighbor Down: Interface down or detached
Jan 11 03:23:04.543: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from LOADING to FULL, Loading Done
Jan 11 12:24:01.041: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from FULL to DOWN, Neighbor Down: Interface down or detached
Jan 11 12:24:26.721: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from LOADING to FULL, Loading Done
Jan 11 19:01:34.128: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from FULL to DOWN, Neighbor Down: Interface down or detached
Jan 11 19:01:55.036: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from LOADING to FULL, Loading Done
Jan 11 22:01:14.205: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from FULL to DOWN, Neighbor Down: Interface down or detached
Jan 11 22:01:38.517: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from LOADING to FULL, Loading Done
Jan 11 23:09:26.144: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from FULL to DOWN, Neighbor Down: Interface down or detached
Jan 11 23:09:42.084: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from LOADING to FULL, Loading Done
Jan 11 23:34:04.796: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from FULL to DOWN, Neighbor Down: Interface down or detached
Jan 11 23:34:29.472: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from LOADING to FULL, Loading Done
Jan 12 00:51:48.260: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from FULL to DOWN, Neighbor Down: Interface down or detached
Jan 12 00:52:01.853: %OSPF-5-ADJCHG: Process 100, Nbr 10.24.248.4 on TenGigabitEthernet1/3 from LOADING to FULL, Loading Done

[Mr_ZuoPWD]

线路频繁的Up/down，并且端口的入向报文中，有很多的校验错误， 但是出现是没有问题的， 你可以看下是不是线路本身的问题，或者是接口的问题， 如果都没有问题的话， 你再次看看你的端口上的流控的配置， 因为端口上显示： input flow control is on , output flow control is off 看看是不是这里做的不合适；

[蓝火加特林]

建议把接口详细配置贴出来，光给日志看不出什么来，就跟楼上说的一样，建议先排查物理接口链路故障。

[bjfu_chaoyang]

之前我也遇到了这个问题 二层封装和三层路由都没有问题 具体检查之后发现，是ospf的单播和广播问题 都配置成一样的发送方式就可以了