我已连接到 LAN 上的交换机，我已在其他网络上测试了我的 matchport，并且没有发现此问题。在此网络上，我在启动时看到 eht0 多次处于 UP 和 DOWN 状态。
有人知道这件事吗？
# Sv Filename Line Description Uptime
---- - ---------- ----- ---------------------------------------------- --------
4 I start.c 234 5.2.0.3R2 00:00:00
5 I start.c 235 Oct 5 2012 (11:54:32) 00:00:00
6 I start.c 241 Image Name: matchport_bg_pro 00:00:00
7 I start.c 243 Query Port Id: A9 00:00:00
8 I start.c 245 Heap size: 5567904 00:00:00
9 I start.c 272 i2c init 00:00:00
10 I start.c 287 # serial ports: 2/2 00:00:00
11 I start.c 303 cpm init 00:00:00
12 I start.c 312 timeout init 00:00:00
13 I start.c 315 event server init 00:00:00
14 I start.c 318 flash init 00:00:00
15 I flash.c 379 flash mfg=0x20 dev=0x227E, model=0x2210 00:00:00
16 I flash.c 434 using flash driver "AMD Generic" 00:00:00
17 I start.c 321 config manager init 00:00:00
18 I start.c 324 filesystem init 00:00:00
19 I fastfile.c 379 FW: 2-49 A: 50-88 B: 89-127 SZ: 65536 00:00:00
20 I fastfile.c 494 using bank A 00320000-0058FFFF 00:00:00
21 I fastfile.c 522 rt=003200AC st=0x3 sz=0x0 nxt=FFFFFFFF 00:00:00
22 I start.c 348 cfg flash init 00:00:00
23 I cfgflash.c 1969 Found configuration file 00:00:00
24 I start.c 351 cpu init 00:00:00
25 I start.c 358 oem init 00:00:00
26 I start.c 367 serial init 00:00:00
27 I start.c 370 dns init 00:00:00
28 I start.c 373 network init 00:00:00
29 I net.c 451 active network interface: eth0 00:00:00
30 I net.c 534 eth0 mac: 00:20:4a:c0:cf:0c 00:00:00
31 I start.c 394 eth0 phy init 00:00:00
32 I start.c 402 snmp init 00:00:00
33 I start.c 406 dynamic ip start 00:00:00
34 I start.c 410 supplicant init 00:00:00
35 I start.c 420 pio reset monitor 00:00:00
36 I start.c 425 mib init 00:00:00
37 I start.c 429 ftp init 00:00:00
38 I start.c 432 tftp init 00:00:00
39 I start.c 436 syslog init 00:00:00
40 I start.c 449 ssl init 00:00:00
41 I start.c 453 http init 00:00:00
42 I start.c 457 web init 00:00:00
43 I start.c 462 rss init 00:00:00
44 I start.c 469 ssh init 00:00:00
45 I start.c 473 77FE init 00:00:00
46 I start.c 476 tunnel init 00:00:00
47 I start.c 479 terminal init 00:00:00
48 I start.c 483 host init 00:00:00
49 I start.c 488 cpm post init 00:00:00
50 I start.c 493 email init 00:00:00
51 I start.c 512 cli init 00:00:00
52 I cli.c 6361 telnet cli server started 00:00:00
53 I cli.c 6357 ssh cli server started 00:00:00
54 I start.c 534 ppp init 00:00:01
55 I start.c 539 modbus init 00:00:01
56 I start.c 549 VIP access init 00:00:01
57 I start.c 557 lpd Init 00:00:01
58 I start.c 579 power management init 00:00:01
59 I pwr_mgmt.c 94 power management audit 00:00:01
60 I start.c 584 calling SDK app 00:00:01
61 I lib_netdeb 267 Net Debug on port 7777 OK. 00:00:01
62 I trsmio_tes 1191 HostlinkThread start 00:00:01
63 I start.c 597 rtos main task finished 00:00:01
64 I trsmio_hos 298 Hostlink configuration file ok 00:00:01
65 I ethphy.c 132 eth0 link up 00:00:02
66 I dynip.c 358 eth0 static ip: 192.168.12.210 00:00:02
67 I ethphy.c 160 eth0 link down 00:00:03
68 I ethphy.c 132 eth0 link up 00:00:04
69 I trsmio_tes 1209 HostlinkThread data populated 00:00:04
70 I ethphy.c 160 eth0 link down 00:00:05
71 I ethphy.c 132 eth0 link up 00:00:07
72 I ethphy.c 160 eth0 link down 00:00:08
73 I ethphy.c 132 eth0 link up 00:00:09
74 I ethphy.c 160 eth0 link down 00:00:10
75 I ethphy.c 132 eth0 link up 00:00:12
76 I ethphy.c 160 eth0 link down 00:00:13
77 I ethphy.c 132 eth0 link up 00:00:14
78 I ethphy.c 160 eth0 link down 00:00:15
79 I ethphy.c 132 eth0 link up 00:00:17
80 I ethphy.c 160 eth0 link down 00:00:18
81 I ethphy.c 132 eth0 link up 00:00:19
82 I ethphy.c 160 eth0 link down 00:00:20
83 I ethphy.c 132 eth0 link up 00:00:22
84 I ethphy.c 160 eth0 link down 00:00:23
85 I ethphy.c 132 eth0 link up 00:00:24
86 I ethphy.c 160 eth0 link down 00:00:25
87 I ethphy.c 132 eth0 link up 00:00:27
88 I ethphy.c 160 eth0 link down 00:00:28
89 I ethphy.c 132 eth0 link up 00:00:29
90 I ethphy.c 160 eth0 link down 00:00:30
91 I ethphy.c 132 eth0 link up 00:00:32
92 I ethphy.c 160 eth0 link down 00:00:33
93 I ethphy.c 132 eth0 link up 00:00:34
94 I ethphy.c 160 eth0 link down 00:00:35
95 I ethphy.c 132 eth0 link up 00:00:37
96 I ethphy.c 160 eth0 link down 00:00:38
97 I ethphy.c 132 eth0 link up 00:00:39
98 I ethphy.c 160 eth0 link down 00:00:40
99 I ethphy.c 132 eth0 link up 00:00:44
100 I ethphy.c 160 eth0 link down 00:00:45
101 I ethphy.c 132 eth0 link up 00:00:47
102 I ethphy.c 160 eth0 link down 00:00:48
103 I ethphy.c 132 eth0 link up 00:00:49
答案1
这看起来像是端口抖动。造成这种情况的原因可能有几个。其中包括电缆不良以及电缆两端的 NIC 有缺陷。