Re: Please tell me...

2000-07-21 Thread Erik van Gerven

Agree... but I understand the candidates unsecure feeling. I'm CCNA candidate
myself :-)

Lots of answers are given when studying from a book like Cisco's CCNA
studyguide. It comes in Paper+CD.
The CD also contains Exam practice with about 500 Q's giving a pretty idea
what's coming. Though, I guess the GUI on the exam is a bit different from the
CD's.
If one wants to be sure, whom to ask? The Priests or the Prophetes?  :-)

Just my 0.02 Euro...

Erik


Roman wrote:

> What is the deal with everyone having to know exactly how many
> questions are on the test?  What does it matter?  You have to know
> the material whether it's now or on the job.  Just study until you know it.
> Take the test.  If you know 80% of the material, you'll get an 80%.  Why
> would it matter if there were 65 questions or 72?  Also...there is PLENTY
> of time to finish, regardless of the number.  I just don't understand all of
> this '"take the test tomorrow - PLEASE HELP ME!" stuff.
>
> I'm missing something - as usual - somebody fill me in.
>
> Respectfully,
> Roman
>
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Re: dhcp on router?

2000-07-17 Thread Erik van Gerven

It will work, Using it at home myself
but remember to put:
  ip directed-broadcast
into the config of the LAN interface... Since 12.0 or somethint it's standard
off in Cisco's.
As far I know it's the only default setting visible in your config when
default (no ip directed-broadcast)
It's not taking too many resources from your router

GRTZ,
Erik

"Aaron K. Dixon" wrote:

> A router can serve as a dhcp server.  You can set the WINS server, name
> server, etc.
>
> ip dhcp excluded-address 10.10.10.5
> ip dhcp excluded-address 10.10.10.6 10.10.10.12
> !
> ip dhcp pool GROUPSTUDY
>network 10.10.10.0 255.255.255.0
>dns-server 10.10.1.1 10.10.5.2 10.1.1.1
>netbios-name-server 10.10.12.2 10.10.20.2
>domain-name groupstudy.com
>default-router 10.10.10.1
>lease 0 8
>
> This is a sample configuration.  I haven't tried the above configuration,
> but I think I've got everything.  As you can see there are options to set
> the same options you would with a traditional dhcp server.
>
> Regards,
> Aaron K. Dixon
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> jeongwoo park
> Sent: Sunday, July 16, 2000 4:04 PM
> To: [EMAIL PROTECTED]
> Subject: dhcp on router?
>
> hi! all.
> I thought that the router only forwards the DHCP
> request from clients to DHCP server.
> So, can router dynamically allocate ip addresses for
> DHCP requesting clients without reaching to DHCP
> server? Then the router also should have same stack of
> all ip addresses on its memory.. How does router get
> all ip addresses? Does it receive from DHCP server?
> If the router serves ip addresses, what is the benefit
> of it?
> Could somebody answer this?
> Thanks in adv.
>
> jeongwoo
>
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Re: Secondary IP address

2000-07-06 Thread Erik van Gerven

Use different ip ranges on 1 network to create different IP domains. Use policy
routing on another router to resolve to different networks (interfaces) based
on source address. thus making a simple sort of (non secure) VLANning  possible
intirely in level3.
The other way around:
Use a secondary address on the seeding port of a router using NAT. When the
customer wants a firewall/proxy/whatever, set a static NAT rule for all traffic
for this  IP# to te firewall/proxy/whatever

Of course, there are other ways to accomplish this (NAT Pool etc.)

Erik


"Rampley, Jim" wrote:

> You get the benefit of being able to add another subnet to single router
> interface.  Such as:
> ip address 10.1.1.1 255.255.255.0
> ip address 10.1.2.1 255.255.255.0 secondary
>
> A drawback is that nodes connecting to that interface that are on the
> different IP subnets would need to bounce off the router to talk.  A better
> solution for this would be to change your subnet mask to 10.1.1.1
> 255.255.254.0.  Sometimes this is not possible in the short term if the
> addressing is not contiguous.
>
> Jim
>
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of
> [EMAIL PROTECTED]
> Sent: Wednesday, July 05, 2000 4:18 PM
> To: [EMAIL PROTECTED]
> Subject: Secondary IP address
>
> What are the advantages of using a secondary IP on and ethernet interface
>
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Re: CCO login

2000-07-04 Thread Erik van Gerven

Not that I will qualify at the moment but look at Cisco's:
http://www.cisco.com/public/scc/
there's the info you asked

grtz...
Erik

"Michael L. Williams" wrote:

> Okay now I have a question.
>
> What prerequisites are there to signing up for a CCO account?  Its sounds to
> me like that's where the goods are!
>
> Let me know so I can sign up!
>
> Mike W.
>
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1600 loosing routetable

2000-06-24 Thread Erik van Gerven

ppl,

I have a number of 1605R routers standing out. All are using NAT and
each assigned 1 public IP# on E0 and a Private IP networkrange on E1.
most of them use 12.03(t), several 12.07(t). No routerprotocol is used
on these routers, only static routes. Customers depend on NAT.
Under some rare circumstances  the router won't come up properly. Both
the router's E0 and the ethernetport of it's gateway showing a correct
ARP entry but there is no IP traffic possible.
Doing some debugging I learned there are no routes or even connected
networks visible after a 'sh ip route'.The E0 and E1 interfaces shows
'up-up'
Once a router is up and running, it stays working but you're never
certain if it will keep working after the port went down&up
The ports are responding to ping by the gateway or another IP neighbour.

Any ideas why the routing table stays as if both interfaces are down?
Is there any way to force an update to the routertable?

Thanks in advance,

Erik van Gerven

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