rac1-> ps -ef|grep tns
oracle    1266     1  0 23:02 ?        00:00:00 /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr LISTENER_RAC1 -inherit
oracle   19409     1  0 23:15 ?        00:00:00 /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr LISTENER -inherit
oracle   19589  8971  0 23:15 pts/0    00:00:00 grep tns
rac1-> lsnrctl stop

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 11-MAR-2012 23:15:26

Copyright (c) 1991, 2005, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=rac1-vip)(PORT=1522)(IP=FIRST)))
The command completed successfully
rac1-> lsnrctl 

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 11-MAR-2012 23:15:32

Copyright (c) 1991, 2005, Oracle.  All rights reserved.

Welcome to LSNRCTL, type "help" for information.

LSNRCTL> status
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=rac1-vip)(PORT=1522)(IP=FIRST)))
TNS-12541: TNS:no listener
 TNS-12560: TNS:protocol adapter error
  TNS-00511: No listener
   Linux Error: 111: Connection refused
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=192.168.1.11)(PORT=1522)(IP=FIRST)))
TNS-12541: TNS:no listener
 TNS-12560: TNS:protocol adapter error
  TNS-00511: No listener
   Linux Error: 111: Connection refused
LSNRCTL> status LISTENER_RAC1
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=rac1-vip)(PORT=1521)(IP=FIRST)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER_RAC1
Version                   TNSLSNR for Linux: Version 10.2.0.1.0 - Production
Start Date                11-MAR-2012 23:02:43
Uptime                    0 days 0 hr. 12 min. 56 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
Listener Log File         /u01/app/oracle/product/10.2.0/db_1/network/log/listener_rac1.log
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.21)(PORT=1521)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.11)(PORT=1521)))
Services Summary...
Service "+ASM" has 1 instance(s).
  Instance "+ASM1", status BLOCKED, has 1 handler(s) for this service...
Service "+ASM_XPT" has 1 instance(s).
  Instance "+ASM1", status BLOCKED, has 1 handler(s) for this service...
Service "PLSExtProc" has 1 instance(s).
  Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
Service "devdb" has 1 instance(s).
  Instance "devdb1", status READY, has 1 handler(s) for this service...
Service "devdbXDB" has 1 instance(s).
  Instance "devdb1", status READY, has 1 handler(s) for this service...
Service "devdb_XPT" has 1 instance(s).
  Instance "devdb1", status READY, has 1 handler(s) for this service...
The command completed successfully
LSNRCTL> exit
rac1-> ps -ef|grep tns
oracle    1266     1  0 23:02 ?        00:00:00 /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr LISTENER_RAC1 -inherit
oracle   20233  8971  0 23:15 pts/0    00:00:00 grep tns
rac1-> lsnrctl start

LSNRCTL for Linux: Version 10.2.0.1.0 - Production on 11-MAR-2012 23:16:17

Copyright (c) 1991, 2005, Oracle.  All rights reserved.

Starting /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr: please wait...

TNSLSNR for Linux: Version 10.2.0.1.0 - Production
System parameter file is /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
Log messages written to /u01/app/oracle/product/10.2.0/db_1/network/log/listener.log
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.21)(PORT=1522)))
Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.11)(PORT=1522)))

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=rac1-vip)(PORT=1522)(IP=FIRST)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER
Version                   TNSLSNR for Linux: Version 10.2.0.1.0 - Production
Start Date                11-MAR-2012 23:16:17
Uptime                    0 days 0 hr. 0 min. 0 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/app/oracle/product/10.2.0/db_1/network/admin/listener.ora
Listener Log File         /u01/app/oracle/product/10.2.0/db_1/network/log/listener.log
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.21)(PORT=1522)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.1.11)(PORT=1522)))
Services Summary...
Service "PLSExtProc" has 1 instance(s).
  Instance "PLSExtProc", status UNKNOWN, has 1 handler(s) for this service...
The command completed successfully
rac1-> ps -ef|grep tns
oracle    1266     1  0 23:02 ?        00:00:00 /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr LISTENER_RAC1 -inherit
oracle   21077     1  0 23:16 ?        00:00:00 /u01/app/oracle/product/10.2.0/db_1/bin/tnslsnr LISTENER -inherit
oracle   21207  8971  0 23:16 pts/0    00:00:00 grep tns

当默认监听存在时，所有不指定监听名称的操作都是对于默认监听的，不会影响到非默认监听