Connectrix MDS：无法通过 SSH 连接到交换机

Summary: 无法通过 SSH 切换

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Symptoms

无法通过 SSH 连接到 MDS 交换机，收到以下错误：

"Remote Side unexpectedly closed network connection"

通过 SSH 从正常工作的交换机到无法正常工作的交换机，生成以下错误：

"SSH_exchange_identification:read: Connection reset by peer"

Cause

SSH 进程可能卡住

Resolution

解决办法：
  1. 删除并重新启用 SSH 以重新启动 SSH 服务并恢复连接。
  2. 连接到控制台端口，运行以下命令：
Disable SSH:
conf t
no feature ssh  (wait a few mins)

Re-enable SSH:
conf t
feature ssh
  1. 通过网络或 PuTTY 验证与 Mgmt0 的 SSH 连接。

如果仍然无法连接 SSH，则可能需要删除并重新创建 RSA 密钥。
  1. 连接到控制台端口并运行以下命令：
config t
no feature ssh
no ssh key rsa 1024    <-- wait a few minutes

Re-enable SSH:
config ssh key rsa 1024
feature ssh

Affected Products

Connectrix MDS-9132T

Products

Connectrix MDS-9132T
Article Properties
Article Number: 000055655
Article Type: Solution
Last Modified: 23 Oct 2025
Version:  5
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