Replacing an E4SA CRU
Stopping the Communications Lines and
SWAN Concentrators That Use an E4SA CRU
To stop a ServerNet wide area network (SWAN) concentrator and its associated
WAN subsystem IOPs and communications lines:
Note: A SWAN concentrator has dual Ethernet ports, which can be configured to
connect to ports on two different E4SA CRUs; only one Ethernet connection is needed
for full function. If the SWAN concentrator's second Ethernet port is connected to
another E4SA CRU (other than the E4SA CRU that you are replacing), you do not
need to perform the following steps. However, the SWAN concentrator will not be
fault-tolerant while the E4SA CRU is being replaced.
1 Abort the communications lines.
Use the SCF ABORT LINE command to stop a single line:
ABORT LINE $<line-name>
Use the SCF ABORT PATH command to stop all the lines in an Expand
multiline path:
ABORT PATH $<path-name>
2 Verify that the lines are in the STOPPED state.
Use the SCF STATUS LINE command for a single line:
STATUS LINE $<line-name>
Use the SCF STATUS PATH command for an Expand multiline path:
STATUS PATH $<path-name>
The example shows the output of these commands.