telnet: connect: Cannot reach the destination network.
原因爲路由沒加：
[P750B04][root][/]#telnet 190.2.244.12 21
Trying...
telnet: connect: Cannot reach the destination network.
[P750B04][root][/]#netstat -nr
Routing tables
Destination Gateway Flags Refs Use If Exp Groups
Route Tree for Protocol Family 2 (Internet):
127/8 127.0.0.1 U 11 14417339 lo0 - -
182.1.1.0 182.1.1.134 UHSb 0 0 en0 - - =>
182.1.1/24 182.1.1.134 U 2 19625512 en0 - -
182.1.1.134 127.0.0.1 UGHS 0 2995269 lo0 - -
182.1.1.255 182.1.1.134 UHSb 0 5 en0 - -
182.1.2.0 182.1.2.134 UHSb 0 0 en4 - - =>
182.1.2/24 182.1.2.134 U 2 21236901 en4 - -
182.1.2.134 127.0.0.1 UGHS 0 5704422 lo0 - -
182.1.2.255 182.1.2.134 UHSb 0 5 en4 - -
190.2.240.0 190.2.240.134 UHSb 0 0 en2 - - =>
190.2.240/24 190.2.240.134 U 5 12321151 en2 - -
190.2.240.134 127.0.0.1 UGHS 0 365 lo0 - -
190.2.240.255 190.2.240.134 UHSb 0 4 en2 - -
190.2.242.0 190.2.242.134 UHSb 0 0 en0 - - =>
190.2.242/24 190.2.242.134 U 1 30802222 en0 - -
190.2.242.134 127.0.0.1 UGHS 0 423 lo0 - -
190.2.242.255 190.2.242.134 UHSb 0 0 en0 - -
Route Tree for Protocol Family 24 (Internet v6):
::1%1 ::1%1 UH 0 468702 lo0 - -
[P750B04][root][/]#netstat -ni
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
en0 1500 link#2 5c.f3.fc.f.39.40 69470159 0 50547220 2 0
en0 1500 182.1.1 182.1.1.134 69470159 0 50547220 2 0
en0 1500 190.2.242 190.2.242.134 69470159 0 50547220 2 0
en2 1500 link#3 e4.1f.13.51.13.30 51688926 0 13056222 3 0
en2 1500 190.2.240 190.2.240.134 51688926 0 13056222 3 0
en4 1500 link#4 5c.f3.fc.f.37.42 35251323 0 21248382 2 0
en4 1500 182.1.2 182.1.2.134 35251323 0 21248382 2 0
lo0 16896 link#1 23586550 0 23586485 0 0
lo0 16896 127 127.0.0.1 23586550 0 23586485 0 0
lo0 16896 ::1%1 23586550 0 23586485 0 0
[P750B04][root][/]#ifconfig en0
en0: flags=1e080863,c0<UP,BROADCAST,NOTRAILERS,RUNNING,SIMPLEX,MULTICAST,GROUPRT,64BIT,CHECKSUM_OFFLOAD(ACTIVE),LARGESEND,CHAIN>
inet 182.1.1.134 netmask 0xffffff00 broadcast 182.1.1.255
inet 190.2.242.134 netmask 0xffffff00 broadcast 190.2.242.255
tcp_sendspace 131072 tcp_recvspace 65536 rfc1323 0
加路由：
[P750B04][root][/]#chdev -l en0 -a netaddr='190.2.242.134' -a netmask=255.255.25.0
en0 changed
[P750B04][root][/]#telnet 190.2.244.12 21
Trying...
Connected to 190.2.244.12.
Escape character is '^]'.
ÙActiveMQ CacheSize
CacheEnabledSizePrefixDisabled MaxInactivityDurationInitalDelay'TcpNoDelayEnabledMaxInactivityDurationê`TightEncodingEnabledStackTraceEnabledPuTTYq
再次telnet，防火牆已通。