OptiSwitch 2400/L3
CLI
Commands
C
HAPTER
5
77
Command
show syslog [
loglevel
[
start date
]
[
end date
]]
Description
Displays system log messages. Without parameter, it displays all
messages from the last 24 hours
Syntax
Description
loglevel
:
Specifies the log level from which you want information
displayed. The options are
debug
,
info
,
warning
,
error
and
fatal
.
start date
:
Specifies the month, date and time you want to begin the
log display.
end date
:
Specifies the month, date and time you want to end the log
display.
You can exclude one or both keywords for a broader time display.
Example
OS2400# show syslog
Getting information..
May 13 14:01:13 OS /usr/local/nbase/sbin/powerm: Open of
/etc/POWERM_INFO su
May 13 14:01:13 OS /usr/local/nbase/sbin/powerm: Shutdown initiated
May 13 14:01:17 OS initd[572]: INFO, initd.c(656), - initd_shutdown
May 13 14:01:17 OS initd[572]: INFO, initd.c(672), - Terminating low
level c
Command tcpdump
interface name
Description
Enables you to dump traffic on the network by printing out the headers
of packets on the specific interface.
Syntax
Description
interface name
:
Specifies the interface to listen on.
Example
OS2400# tcpdump vif2
tcpdump -i vif2
Kernel filter, protocol ALL, datagram packet socket
tcpdump: listening on vif2
10:22:16.607561 > dhcp-139-1.nbase.co.il > OSPF-ALL.MCAST.NET:
OSPFv2-hello 44:
rtrid 1.1.1.3 backbone dr dhcp-139-1.nbase.co.il [tos 0xc0]
[ttl 1]
10:22:26.617465 > dhcp-139-1.nbase.co.il > OSPF-ALL.MCAST.NET:
OSPFv2-hello 44:
rtrid 1.1.1.3 backbone dr dhcp-139-1.nbase.co.il [tos 0xc0]
[ttl 1]
Command telnet
host
{
port
}
Description
Enables you to connect a remote device host using the telnet protocol.
Syntax
Description
host
:
Specifies the host name or IP address.
port
:
Specifies the port number of the host.
