\usepackage{listings}
\usepackage{inconsolata}
\usepackage{blindtext,expdlist}
\lstdefinelanguage{CISCO}
{
sensitive=true,
morekeywords=[1]{},
}
\begin{lstlisting}[language=CISCO]
CMTS1#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
CMTS1(config)#interface cable 1/0
CMTS1(config-if)#cable downstream frequency 114000000
CMTS1(config-if)#
*Mar 12 09:33:28.011:
%UPCONV-5-DSFREQ: interface Cable1/0 Downstream frequency set to 114.0 Mhz
CMTS1(config-if)#no shutdown
CMTS1(config-if)#cable upstream 0 frequency 32000000
CMTS1(config-if)#no cable upstream 0 shutdown
CMTS1(config-if)#
*Mar 12 09:34:33.915:
%UBR7100-5-UPDOWN: Interface Cable1/0 U0, changed state to up
CMTS1(config)#exit
CMTS1#
*Mar 12 09:35:41.147:
%SYS-5-CONFIG_I: Configured from console by consolewrite
CMTS1#write
Building configuration...
[OK]
CMTS1#
\end{lstlisting}