网络工程 - Arista 7050S 管理端口问题 - 吾爱随笔录

我有一个 arista 7050s，我已经将管理端口连接到一个 cisco 3750，我看到端口在 3750 中打开，但在 arista 中关闭！这是 arista 的输出：

Management1 is down, line protocol is notpresent (notconnect)
  Hardware is Ethernet, address is 0000.0000.0000 (bia 0000.0000.0000)
  Description: Management
  IP MTU 1500 bytes
  Unconfigured, Unconfigured, auto negotiation: off, uni-link: n/a
  Loopback Mode : None
  0 link status changes since last clear
  Last clearing of "show interface" counters never
  5 minutes input rate 0 bps (- with framing overhead), 0 packets/sec
  5 minutes output rate 0 bps (- with framing overhead), 0 packets/sec
     0 packets input, 0 bytes
     Received 0 broadcasts, 0 multicast
     0 runts, 0 giants
     0 input errors, 0 CRC, 0 alignment, 0 symbol, 0 input discards
     0 PAUSE input
     0 packets output, 0 bytes
     Sent 0 broadcasts, 0 multicast
     0 output errors, 0 collisions
     0 late collision, 0 deferred, 0 output discards
     0 PAUSE output

我在控制台上看到了这个错误日志：

Oct 11 08:40:03 X-SWT PhyEthtool: %ETH-3-ETHTOOLFAIL: SIOCETHTOOL GDRVINFO (ma1, interface Management1): No such device (message repeated 59 times in 60.127 secs)
Oct 11 08:41:03 X-SWT PhyEthtool: %ETH-3-ETHTOOLFAIL: SIOCETHTOOL GDRVINFO (ma1, interface Management1): No such device (message repeated 59 times in 60.0114 secs)
Oct 11 08:42:03 X-SWT PhyEthtool: %ETH-3-ETHTOOLFAIL: SIOCETHTOOL GDRVINFO (ma1, interface Management1): No such device (message repeated 59 times in 60.1235 secs)
Oct 11 08:43:03 X-SWT PhyEthtool: %ETH-3-ETHTOOLFAIL: SIOCETHTOOL GDRVINFO (ma1, interface Management1): No such device (message repeated 59 times in 60.0148 secs)
Oct 11 12:14:03 X-SWT PhyEthtool: %ETH-3-ETHTOOLFAIL: SIOCETHTOOL GDRVINFO (ma1, interface Management1): No such device (message repeated 59 times in 60.1227 secs)
Oct 11 12:15:03 X-SWT PhyEthtool: %ETH-3-ETHTOOLFAIL: SIOCETHTOOL GDRVINFO (ma1, interface Management1): No such device (message repeated 59 times in 60.0154 secs)
Oct 11 12:16:04 X-SWT PhyEthtool: %ETH-3-ETHTOOLFAIL: SIOCETHTOOL GDRVINFO (ma1, interface Management1): No such device (message repeated 59 times in 60.1273 secs)
Oct 11 12:17:04 X-SWT PhyEthtool: %ETH-3-ETHTOOLFAIL: SIOCETHTOOL GDRVINFO (ma1, interface Management1): No such device (message repeated 59 times in 60.0147 secs)

这是另一个输出：

sh int status | inc Ma1
Ma1        Management         notconnect   routed   unconf unconf Unknown

知道如何解决这个问题吗？