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111
Appendix A
SHELL Commands
Displays the IP routes stored in your Cayman Gateway.
Performs a domain name system lookup for a specified host.
The
hostname
argument is the name of the host for which you want DNS
information; for example,
nslookup klaatu
.
The
ip_address
argument is the IP address, in dotted decimal notation, of
the device for which you want DNS information.
Causes the Cayman Gateway to issue a series of ICMP Echo requests for the
device with the specified name or IP address.
The
hostname
argument is the name of the device you want to ping; for
example,
ping ftp.cayman.com
.
The
ip_address
argument is the IP address, in dotted decimal notation, of
the device you want to locate. If a host using the specified name or IP address
is active, it returns one or more ICMP Echo replies, confirming that it is acces-
sible from your network.
The
-s
size
argument lets you specify the size of the ICMP packet.
The
-c
count
argument lets you specify the number of ICMP packets gener-
ated for the ping request.
You can use the
ping
command to determine whether a hostname or IP address
is already in use on your network. You cannot use the
ping
command to ping the
Cayman Gateway’s own IP address.
Exits the Cayman Gateway command line interface.
Clears the Address Resolution Protocol (ARP) cache on your unit.
Resets the ATM statistics to zero.
Clears crash-dump information, which identifies the contents of the Cayman
Gateway registers at the point of system malfunction.
BOTH
netstat -r
BOTH
nslookup {
hostname
|
ip_address
}
BOTH
ping [-s
size
] [-c
count
]{
hostname
|
ip_address
}
BOTH
quit
BOTH
reset arp
DSL
reset atm
BOTH
reset crash
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Appendix A
SHELL Commands
Releases the DHCP lease the Gateway is currently using to acquire the IP settings
for its WAN (Ethernet B) port.
Releases the DHCP lease the Cayman 3220-H is currently using to acquire the IP
settings for the specified DSL port. The
vcc-id
identifier is a letter in the rang B-
I. Enter the
reset dhcp client release
without the variable to see the
letter assigned to each virtual circuit.
Renews the DHCP lease the Gateway is currently using to acquire the IP settings
of its WAN (Ethernet B) port.
Releases the DHCP lease the Cayman 3220-H is currently using to acquire the IP
settings for the specified DSL port. The
vcc-id
identifier is a letter in the rang B-
I. Enter the
reset dhcp client release
without the variable to see the
letter assigned to each virtual circuit.
Clears the DHCP lease table in the Cayman Gateway.
Resets any open DSL connection.
Resets Ethernet statistics to zero
Clears all entries in the host name table. Thereafter, when PCs configured as
DHCP clients use the Gateway, new entries will be rebuilt. DHCP serving must be
enabled.
Clears the IPMap table (NAT).
Rewinds the diagnostic log display to the top of the existing Cayman Gateway
diagnostic log. The
reset
log command does not clear the diagnostic log. The
next
show log
command will display information from the beginning of the log
file.
Resets the point-to-point connection over the WAN interface. When you issue a
reset ppp
command, the Cayman 2E-H closes any PPP session (including PPP
over Ethernet).
ENET
reset dhcp client release { B | all }
DSL
reset dhcp client release [
vcc-id
]
ENET
reset dhcp client renew { B | all }
DSL
reset dhcp client renew [
vcc-id
]
BOTH
reset dhcp server
DSL
reset dsl
BOTH
reset enet
BOTH
reset hosts
BOTH
reset ipmap
BOTH
reset log
ENET
reset ppp [enet-B]
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Appendix A
SHELL Commands
Resets the point-to-point connection over the specified virtual circuit. This com-
mand only applies to virtual circuits that use PPP framing.
Clears the security monitoring log to make room to capture new entries.
This function disconnects the specified WAN User to allow for other users to
access the WAN. This function is only available if the number of WAN Users is
restricted and NAT is on. Use the
all
parameter to disconnect all users. If you
logon as Admin you can disconnect any or all users. If you logon as User, you can
only disconnect yourself.
Restarts your Cayman Gateway. If you include the optional
seconds
argument,
your Cayman Gateway will restart when the specified number of seconds have
elapsed. You must enter the complete
restart
command to initiate a restart.
Displays ATM statistics for 3220-H unit. The optional
all
argument displays a
more detailed set of ATM statistics.
Displays bridge interfaces maintained by the Cayman Gateway.
Displays the bridging table maintained by the Cayman Gateway.
Displays the most recent crash information, if any, for your Cayman Gateway.
Displays the DHCP relay-agent leases being administered by your Cayman Gate-
way.
Displays the DHCP address information being used by your Cayman Gateway for
each WAN interface.
Displays the DHCP leases stored in RAM by your Cayman Gateway. You can
include the
used
argument to see the list of DHCP leases that are in use or that
have been used since your Cayman Gateway was restarted. You can include the
free
argument to see the list of DHCP leases that are available for use.
DSL
reset ppp
vccn
BOTH
reset security-log
BOTH
reset wan-users [all |
ip-address
]
BOTH
restart [
seconds
]
DSL
show atm [all]
BOTH
show bridge interfaces
BOTH
show bridge table
BOTH
show crash
BOTH
show dhcp agent
BOTH
show dhcp client
BOTH
show dhcp server leases [ used | free ]
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Appendix A
SHELL Commands
Displays the DHCP leases stored in NVRAM by your Cayman Gateway.
Displays DSL port statistics, such as upstream and downstream connection rates
and noise levels.
Displays the Ethernet statistics for your Cayman Gateway.
Show all keyed features and whether or not they are enabled. If the key is not per-
manent, it shows the expiration date.
Displays the IP address and (computer) host name in the host name table for each
LAN-side computer. The host name table is built by the Gateway as its DHCP
server serves IP addresses to LAN-side computers trying to access the WAN
through the Gateway.
Displays the Ethernet address resolution table stored in your Cayman Gateway.
Shows statistics for the BreakWater Firewall.
Displays the contents of the IGMP Group Address table and the IGMP Report
table maintained by your Cayman Gateway.
Displays the IP interfaces for your Cayman Gateway.
Shows statistics for the SafeHarbour IPSec tunnel.
Displays the IP routes stored in your Cayman Gateway.
Displays blocks of information from the Cayman Gateway diagnostic log. To see
the entire log, you can repeat the
show log
command or you can enter
show
log all.
BOTH
show dhcp server store
DSL
show dsl
BOTH
show enet
BOTH
show features
BOTH
show hosts
BOTH
show ip arp
BOTH
show ip firewall
BOTH
show ip igmp
BOTH
show ip interfaces
BOTH
show ip ipsec
BOTH
show ip routes
BOTH
show log
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Appendix A
SHELL Commands
Displays memory usage information for your Cayman Gateway. If you include the
optional
all
argument, your Cayman Gateway will display a more detailed set of
memory statistics.
Displays information about open PPP links. You can display a subset of the PPP
statistics by including an optional
stats, lcp, ipcp
,
or
lastconnect
argu-
ment for the
show ppp
command.
Displays information about open PPP links. You can display a subset of the PPP
statistics by including an optional
stats, lcp, ipcp
,
or
lastconnect
argu-
ment for the
show ppp
command. The optional
vccn
argument lets you
specify the virtual circuit for which you want statistics.
Displays status information for each PPP socket, such as the socket state, service
names, and host ID values.
Displays up to 100 security-related events stored in the log.
Displays the current status of a Cayman Gateway, the device's hardware and soft-
ware revision levels, a summary of errors encountered, and the length of time the
Cayman Gateway has been running since it was last restarted. Identical to the
status
command.
Without the
all
parameter displays the number of concurrent WAN Users and the
total number allowed. With the
all
parameter specified, displays information
about each connected WAN User, including its IP address and idle time before
automatic disconnect. This function is only available if the number of WAN Users
is restricted and NAT is on.
Displays status and statistics information for the wireless interface on the Gate-
way.
Opens a PPP link (typically PPP over Ethernet).
BOTH
show memory [all]
ENET
show ppp [{ stats | lcp | ipcp
|
lastconnect }]
DSL
show ppp [{ stats | lcp | ipcp
|
lastconnect }] [vccn]
BOTH
show pppoe
BOTH
show security-log
BOTH
show status
BOTH
show wan-users [all]
BOTH
show wireless
ENET
start ppp
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