.\" -*- mode: troff; coding: utf-8 -*- .\" Automatically generated by Pod::Man v6.0.2 (Pod::Simple 3.45) .\" .\" Standard preamble: .\" ======================================================================== .de Sp \" Vertical space (when we can't use .PP) .if t .sp .5v .if n .sp .. .de Vb \" Begin verbatim text .ft CW .nf .ne \\$1 .. .de Ve \" End verbatim text .ft R .fi .. .\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>. .ie n \{\ . ds C` "" . ds C' "" 'br\} .el\{\ . ds C` . ds C' 'br\} .\" .\" Escape single quotes in literal strings from groff's Unicode transform. .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" .\" If the F register is >0, we'll generate index entries on stderr for .\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index .\" entries marked with X<> in POD. Of course, you'll have to process the .\" output yourself in some meaningful fashion. .\" .\" Avoid warning from groff about undefined register 'F'. .de IX .. .nr rF 0 .if \n(.g .if rF .nr rF 1 .if (\n(rF:(\n(.g==0)) \{\ . if \nF \{\ . de IX . tm Index:\\$1\t\\n%\t"\\$2" .. . if !\nF==2 \{\ . nr % 0 . nr F 2 . \} . \} .\} .rr rF .\" .\" Required to disable full justification in groff 1.23.0. .if n .ds AD l .\" ======================================================================== .\" .IX Title "CISCO_IOS2DLF.IN 1" .TH CISCO_IOS2DLF.IN 1 2025-09-28 "Lire 2.1.1" "LogReport's Lire Documentation" .\" For nroff, turn off justification. Always turn off hyphenation; it makes .\" way too many mistakes in technical documents. .if n .ad l .nh .SH NAME cisco_ios2dlf \- convert cisco logs to dlf format .SH SYNOPSIS .IX Header "SYNOPSIS" \&\fBcisco_ios2dlf\fR .SH DESCRIPTION .IX Header "DESCRIPTION" This script expects syslog\-type logs from a CISCO IOS router on stdin. These look like e.g. .PP .Vb 9 \& Jul 3 00:00:39 router 40108: 4d09h: %SEC\-6\-IPACCESSLOGP: \& list FR_VA_in permitted udp 192.168.19.1(137) (Serial0/0.2 DLCI 120) \& \-> 192.168.19.255(137), 2 packets \& Jul 3 00:02:39 router 40109: 4d09h: %SEC\-6\-IPACCESSLOGP: list FR_VA_in \& permitted udp 192.168.80.42(138) (Serial0/0.2 DLCI 120) \-> \& 192.60.60.148(138), 1 packet \& Jul 3 00:02:39 router 40110: 4d09h: %SEC\-6\-IPACCESSLOGDP: list FR_VA_in \& permitted icmp 192.168.80.82 (Serial0/0.2 DLCI 120) \-> 149.1.1.1 (8/0), \& 1 packet .Ve .PP or .PP .Vb 10 \& Aug 19 04:02:34 gateway.foo.bar 218963: Aug 19 04:02:32.977: \& %LINEPROTO\-5\-UPDOWN: Line protocol on Interface BRI0:1, changed state \& to down \& Aug 19 04:02:34 gateway.foo.bar 218964: Aug 19 04:02:33.262: \& %ISDN\-6\-DISCONNECT: Interface BRI0:1 disconnected from 172605440 acme, \& call lasted 42 seconds \& Aug 19 04:02:35 gateway.foo.bar 218965: Aug 19 04:02:33.266: \& %LINK\-3\-UPDOWN: Interface BRI0:1, changed state to down \& Aug 19 04:02:38 gateway.foo.bar 218966: Aug 19 04:02:36.103: \& %SEC\-6\-IPACCESSLOGP: list 102 denied tcp 100.198.139.148(4652) \-> \& 100.193.176.49(80), 1 packet \& Aug 19 04:02:45 gateway.foo.bar 218967: Aug 19 04:02:43.543: \& %ISDN\-6\-LAYER2DOWN: Layer 2 for Interface BR0, TEI 86 changed to down \& Aug 19 04:02:53 gateway.foo.bar 218968: Aug 19 04:02:51.471: \& %SEC\-6\-IPACCESSLOGP: list 102 denied tcp 100.74.103.1(2162) \-> \& 100.193.176.98(80), 1 packet .Ve .PP The outputted dlf files look like: .PP .Vb 4 \& 994118619 permitted icmp 192.168.80.9 \- Serial0/0.2 DLCI_120 \& 192.168.19.1 \- 1 \& 994118619 permitted udp 192.168.19.1 138 Serial0/0.2 DLCI_120 \& 192.168.19.255 138 1 .Ve .SH EXAMPLES .IX Header "EXAMPLES" To process a log as produced by Cisco IOS: .PP .Vb 1 \& $ cisco_ios2dlf < cisco.log .Ve .PP cisco_ios2dlf will be rarely used on its own, but is more likely called by lr_log2report: .PP .Vb 1 \& $ lr_log2report cisco_ios < /var/log/cisco.log .Ve .SH AUTHORS .IX Header "AUTHORS" Francis J. Lacoste based on initial code by Joost Bekkers .SH VERSION .IX Header "VERSION" \&\f(CW$Id:\fR cisco_ios2dlf.in,v 1.8 2006/07/23 13:16:35 vanbaal Exp $ .SH COPYRIGHT .IX Header "COPYRIGHT" Copyright (C) 2001 Joost Bekkers Copyright (C) 2002 Stichting LogReport Foundation .PP This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. .PP This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. .PP You should have received a copy of the GNU General Public License along with this program (see COPYING); if not, check with http://www.gnu.org/copyleft/gpl.html.