[c-nsp] additional info before "show" commands output

Andriy A. Yerofyeyev andriy.yerofyeyev at gmail.com
Wed Nov 14 17:25:05 EST 2007


I just got access to cisco switch which was configured strange enough.
It show me two additional show commands (part of) before output of each
show command.
Here is an example:


cat1#sh ver
Load for five secs: 4%/0%; one minute: 4%; five minutes: 4%
No time source, *22:06:56.646 UTC Sat May 22 1993
Cisco Internetwork Operating System Software
IOS (tm) C2970 Software (C2970-I6L2-M), Version 12.1(19)EA1d, RELEASE
SOFTWARE (fc1)
Copyright (c) 1986-2004 by cisco Systems, Inc.
Compiled Mon 05-Apr-04 20:42 by antonino
Image text-base: 0x00003000, data-base: 0x006A5954

ROM: Bootstrap program is C2970 boot loader
BOOTLDR: C2970 Boot Loader (C2970-HBOOT-M) Version 12.1(14r)EA1a,
RELEASE SOFTWARE (fc1)

cat1 uptime is 11 weeks, 6 days, 3 hours, 6 minutes
System returned to ROM by power-on
System image file is
"flash:/c2970-i6l2-mz.121-19.EA1d/c2970-i6l2-mz.121-19.EA1d.bin"

cisco WS-C2970G-24TS-E (PowerPC405) processor (revision F0) with
118776K/12288K bytes of memory.
Processor board ID CSG0848P0MN
Last reset from power-on
3 Virtual Ethernet/IEEE 802.3  interface(s)
28 Gigabit Ethernet/IEEE 802.3 interface(s)
The password-recovery mechanism is enabled.

512K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address       : 00:12:80:F2:85:00
Motherboard assembly number     : 73-9095-05
Power supply part number        : 341-0045-01
Motherboard serial number       : CAT084801E7
Power supply serial number      : PHI082300TB
Model revision number           : F0
Motherboard revision number     : A0
Model number                    : WS-C2970G-24TS-E
System serial number            : CSG0848P0MN
Top Assembly Part Number        : 800-24261-02
Top Assembly Revision Number    : B0
Hardware Board Revision Number  : 0x02


Switch   Ports  Model              SW Version              SW Image
------   -----  -----              ----------              ----------
*    1   28     WS-C2970G-24TS-E   12.1(19)EA1d            C2970-I6L2-M


You can easily figure out what I am talking about.(first two lines)

Just wondering , how it can be ? and how I can configure such behavior ?

I thought , may be it some game with aliases, but it still not clear for
me..

sh run | i alias
alias interface x do
alias interface wr do wr
alias interface e end
alias interface sh sh t
alias interface ns o shut
alias configure x do
alias configure sv s o ver | i IO
alias configure wg do wr
alias configure srb do sho runn | b
alias configure e sr do sho runn
alias configure sri do sho runn | i
alias configure sb do sho ip int brie
alias configure ae alias exec
alias exec ct conf t
alias exec sr sho runn
alias exec sri sho runn | i
alias exec srb sho runn | b  d     m        G               t
alias exec srs sho runn | s                         W
alias exec sb sho ip int brie
alias exec e logo
alias exec sv sho ver | i IOS
alias exec sl sho log
alias exec sli sho  og | i
alias exec scb sho cdp nei det | i ^Lo|^Ti|^Dev|^ _IP a|^ nt|IOS|^Nat|^---
alias exec sir sho ip route
alias exec cl cle log
alias exec spc sho proc c
alias exec spcb sho proc c | e [0-9]__0\.00
     n
alias exec sa sho arp
alias exec srr sho int | i ^[A-Z]|rate_[1-9]
alias exec urpf sho ip int | i ^[A-Z,Loa,Tim]|_verif
alias exec sai sho arp | i ^[Loa,Tim,Pro,^_.*$]|
alias exec sal sho a cess-l




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