修改接口组端口的 MTU 设置

要修改接口组的 MTU 设置，必须修改广播域的 MTU。

1. 修改广播域设置：broadcast-domain modify -broadcast-domain broadcast_domain_name -mtu mtu_setting

   将显示以下警告消息：

   Warning: Changing broadcast domain settings will cause a momentary data-serving
            interruption.
   Do you want to continue? {y|n}: y
   
   
2. 输入 y 以继续。
3. 验证 MTU 设置是否已正确修改：net port show

   示例

   vsim::*> net port show
     (network port show)
   
   Node: vsim-01
                                                                          Ignore
                                                     Speed(Mbps) Health   Health
   Port      IPspace      Broadcast Domain Link MTU  Admin/Oper  Status   Status
   --------- ------------ ---------------- ---- ---- ----------- -------- ------
   a0a       Default      bd_1             up   1300  auto/1000  healthy  false
   e0a       Default      -                up   1300  auto/1000  healthy  false
   e0b       Default      Default          up   1500  auto/1000  healthy  false
   e0c       Default      Default          up   1500  auto/1000  healthy  false
   e0d       Default      Default          up   1500  auto/1000  healthy  false
   5 entries were displayed.