book about BGP ( was Re: BGP minimum )

2000-07-28 Thread Andreas Klemm

On Tue, Jul 25, 2000 at 10:44:38AM -0400, Howard C. Berkowitz wrote:
 Aside from personal curiosity and planning the next BGP paper for 
 CertZone, I have the ulterior motive of writing a proposal for an 
 Internet Routing book, that is more operational-environment, less 
 configuration and protocol mechanics oriented than the books out 
 there now. It would also be multivendor (Cisco, gated/rsd, Bay RS, 
 JunOS). I'm trying to figure out if these are problems I should write 
 a book to solve.

What about adding zebra if you speak of gated ?

http://www.zebra.org/

titan-bgp# sh ver
Zebra 0.87 (i386--freebsd4.1).
Copyright 1996-2000, Kunihiro Ishiguro.
titan-bgp# sh ip bgp
   NetworkNext Hop Metric LocPrf Weight Path
* 172.16.1.0/24  0.0.0.0 32768 i
* 172.16.2.0/24  0.0.0.0 32768 i

Total number of prefixes 2

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Re: TFTP question

2000-07-28 Thread Andreas Klemm

On Tue, Jul 25, 2000 at 11:53:09AM -0400, [EMAIL PROTECTED] wrote:
 Is there anyway or any program that could automate this process?
 (how are the other companies dealing with this problem?)

You can write shell scripts Break the task into pieces...

One shellscript for example that reads all routers out
of an ASCII database or simply an ASCII database, that
is read by script, here a snipplet from a script I use
to save running config of all routers mentioned in file
CISCOS=path

for entry in `cat $CISCOS`
do
# read a line from router table and set arguments...
set -- `echo $entry | tr ':' ' '`
ip=$1
name=$2
type=$3
passwd=$4
enable=$5
echo " writing config for $name ..."
$HOME/scripts/write_config $ip $type $passwd $enable
done

$HOME/scripts/write_config:
--
CISCO=$1
TYPE=$2
PASSWORD=$3
ENABLE=$4

if [ $# -ne 4 ]; then
echo "usage: write_config router | ip_address password enablepwd"
exit 1
fi

case $TYPE in
router)
nc -w 10 $CISCO 23  !EOM | sed -e "s/^M//g" | sed -e "1,/Password:/d"
$PASSWORD
ena
$ENABLE
term len 0
wr
quit
!EOM
;;
[...]


You can use nc (netcat) to connect to the router instead of using expect
which sometime hangs ...

Andreas ///

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Re: TFTP question

2000-07-28 Thread Andreas Klemm

On Fri, Jul 28, 2000 at 11:27:20AM -0500, Brian wrote:
 you do realize that you are passing your enable password/secret in clear
 text for anyone on that machine to see in the output of a "ps -aux / ps
 -ef"?  I woudln't recommend doing that.  It would be more secure to open a
 file handle to an rsh or ssh process connected to the router, and just
 read and write from that.

Yes, the machine is kernelf firewall protected and doesn't
have user accounts.

And yes I dislike that concept as well, but this was only a quick
hack in half an hour...

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Re: Wild Card Mask Puzzle SOLUTION!!!!!!

2000-07-05 Thread Andreas Klemm

On Tue, Jul 04, 2000 at 11:19:17AM -0500, Michael L. Williams wrote:
 access-list 10 permit A.B.C.1 255.255.255.24
^^^
This is wrong. Why "don't care bits", if you have a specific
A.B.C address ?

Correct is:

access-list 10 permit A.B.C.1 0.0.0.24

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Re: BGP and connecting to diff AS's

2000-07-04 Thread Andreas Klemm

On Mon, Jul 03, 2000 at 01:59:55PM -0400, Ms. Maria wrote:
 Hello all,
 
 I am thinking about the ways that you can connect routers to other AS if you 
 are not using BGP?  Anybody knows the answer, please reply me.

How many "exit points" do you have ?

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Re: CVOICE

2000-07-04 Thread Andreas Klemm

On Mon, Jul 03, 2000 at 10:16:07AM -0500, Michael L. Williams wrote:
 I'm signed up to take the  CVOICE 2.0 beta exam later this month, and I have
 a book "Cisco Packetized Voice  Data Integration".  I will be reading
 though this, but I was wondering if anyone could tell me of another book
 that may be a good resource for this exam.

You should also have some target praxis in configuring VoIP / VoFR,
since the exam asks you to type in commands exactly.

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Re: CVOICE EXAM

2000-07-04 Thread Andreas Klemm

Exam objectives can be found somewhere on CCO.
Sorry, lost the URL and is not easy to find ...
but I know it's there.

And .. please don't use this HTML crap on mailinglists ;-)
Reading your mail as an HTML attachement isn't fun...

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no arp frame-relay, which IOS debug or show command to notice it ?

2000-06-24 Thread Andreas Klemm

Hi !

I have a partially meshed FR cloud, hub and spoke.

 R1 (Hub)
 /\
/  \
   /\
  /  \
 R2  R3
Spoke   Spoke


Guess somebody configured

R2(config)#int s 1.1 point-to-point
R2(config-subif)#frame-relay interface-dlci 123
R2(config-subif)#no arp frame-relay
 ^^
Which debug or show command (not "show running" of course ;-)
would tell me, that inverse arp has been disabled 

Any ideas ???

Andreas ///

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