我两次执行一样的 echo 内容,但是总有一次会少个 d 字母,这是啥原因?
# echo "dis int bri" | /usr/local/sbin/microcom -s 9600 /dev/ttyUSB5 -t 1000
<WA4330-ACN>is int bri
^
% Unrecognized command found at '^' position.
<WA4330-ACN>
# echo "dis int bri" | /usr/local/sbin/microcom -s 9600 /dev/ttyUSB5 -t 1000
dis int bri
The brief information of interface(s) under route mode:
Link: ADM - administratively down; Stby - standby
Protocol: (s) - spoofing
Interface Link Protocol Main IP Description
NULL0 UP UP(s) --
Vlan1 UP UP 192.168.1.1
WLAN-Radio1/0/1 UP UP --
WLAN-Radio1/0/2 UP UP --
WLAN-Radio1/0/3 UP UP --
The brief information of interface(s) under bridge mode:
Link: ADM - administratively down; Stby - standby
Speed or Duplex: (a)/A - auto; H - half; F - full
Type: A - access; T - trunk; H - hybrid
Interface Link Speed Duplex Type PVID Description
GE1/0/1 UP 1G(a) F(a) A 1
GE1/0/2 DOWN auto A A 1
WLAN-BSS11 UP -- -- A 1
WLAN-BSS12 UP -- -- A 1
WLAN-BSS13 UP -- -- A 1
WLAN-BSS14 UP -- -- A 1
WLAN-BSS18 UP -- -- A 1
WLAN-BSS19 UP -- -- A 1
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