Re: ACL VS Null Route [7:74267]

2003-08-22 Thread Irwan Hadi
On Fri, Aug 22, 2003 at 11:48:59PM +, Dom wrote: > Are they in the same address block or are they in separate blocks? separate blocks. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=74271&t=74267 -- **Please support GroupSt

ACL VS Null Route [7:74267]

2003-08-22 Thread Irwan Hadi
I'm curious which one is better to use and why in case I want to filter some IP addresses that I don't want them to talk with my network, by using ACL or by null routing them? Say that I have around 50 to 100 IP addresses. Remember that I just want to filter the IP addresses, so I don't care about

NTP on Cisco routers [7:70408]

2003-06-09 Thread Irwan Hadi
Hi, I'm just curious how many NTP clients can a Cisco router (Catalyst 6509) serve? Well basically when Cisco Router is configured to synchronize with a time server it will automatically becomes a time server too (unless configured otherwise) right. Since it becomes a time server, then other route

Re: Which PIX to buy [7:52572]

2002-09-02 Thread Irwan Hadi
On Mon, Sep 02, 2002 at 11:50:17PM +, John Chang wrote: > I'm wondering which PIX I need. I need something that will work with OC12 > 155Mbps when saturated. Right now we have a T3 line and will eventually > get an OC3. I would need redundant PIXs. Can anyone recommend a company > that

Re: Where can I buy Cisco Catalyst for good price [7:51604]

2002-08-18 Thread Irwan Hadi
On Sun, Aug 18, 2002 at 10:48:28PM +, Greg Owens wrote: www.ebay.com subscribe to the [EMAIL PROTECTED] mailing list http://isp-lists.isp-planet.com/isp-equipment/, and make an offer that you want to buy this kind of Catalyst switch there. Message Posted at: http://www.groupstudy.com/form

Re: Does Pix Support? [7:51519]

2002-08-17 Thread Irwan Hadi
On Fri, Aug 16, 2002 at 04:11:37PM +, Kevin O'Gilvie wrote: > Hi All, > > I am pretty sure you all are in the same boat of spam management.. > Does the Pix have any pluggins for spam blocking.. > Can you guys reccommend a product for spam blocking for Exchange 5.5. > I am looking at Mail Swe

Re: Cisco PIX and IDS [7:51276]

2002-08-13 Thread Irwan Hadi
On Tue, Aug 13, 2002 at 10:48:18PM +, Elijah Savage III wrote: > Are there any other book material out there for the PIX. This particular > book is not getting such good reviews. > Sure, but you have to wait to get it http://www.amazon.com/exec/obidos/ASIN/1931836639/qid%3D1029284185/sr%3D1

Re: HP / Cisco performance [7:49919]

2002-07-28 Thread Irwan Hadi
Interesting ... > > > Larry Letterman > Cisco Systems > [EMAIL PROTECTED] > > > > > -Original Message- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of > Irwan Hadi > Sent: Sunday, July 28, 2002 4:33 AM > To: [EMAIL PROTECTED] > Subject:

Re: HP / Cisco performance [7:49919]

2002-07-28 Thread Irwan Hadi
On Sun, Jul 28, 2002 at 11:00:31AM +, David j wrote: > Thank you very much indeed for the links,Irwan. What about new 5300xl > series? do they also support vrrp? I think that without redundancy they lose > much of their attractive.. 5300 XL doesn't support VRRP. It is seems supposed to work

Re: HP / Cisco performance [7:49919]

2002-07-28 Thread Irwan Hadi
On Sun, Jul 28, 2002 at 07:39:25AM +, Larry Letterman wrote: > As for the issues brought up earlier by the individual > from USU, I have posted the marketing numbers from both > HP and cisco.. Well marketing number This is the problem. What I actually would like to see is not the market

Re: HP / Cisco performance [7:49919]

2002-07-28 Thread Irwan Hadi
On Sun, Jul 28, 2002 at 08:36:50AM +, David j wrote: > Talking about Procurve switches, anybody knows if hp L3-switches have a > redundancy system like HSRP or VRRP? > Last week I had to evaluate the possibilities of Procurve switches for our > network, but I wasn't able to see any reference

Re: Cabletron vs Cisco Switches [7:49812]

2002-07-27 Thread Irwan Hadi
On Sat, Jul 27, 2002 at 05:18:13PM +, Jeffrey Reed wrote: > If you are swaying toward Cisco for any other reason, you can probably > purchase the 2950-24's (without uplinks) as cheap as the VH2402SM and start > working on your Cisco switching skill sets. > > I don't like the VH's very much e

Re: Help me on my CCNA Design Project [7:48715]

2002-07-14 Thread Irwan Hadi
On Sat, Jul 13, 2002 at 08:13:02AM +, Ross Wood wrote: > At the moment I am doing a design project for my CCNA classes. But I am > having some problems. I have chosen the 3550-48 & 3550-24 switches and was > wondering what kind of router I should choose. Most of the routers only have > 10/100

Re: ISP Topology Design [7:43836]

2002-05-10 Thread Irwan Hadi
On Fri, May 10, 2002 at 02:40:13PM -0400, Howard C. Berkowitz wrote: > >Hello all! > > > >Does anyone know of any books/material that would be geared more toward ISP > >network design? Looking for as much as I can find... > > > >Thanks > > > > > > My new book, "Building Service Provider Network

Re: VLANS [7:42932]

2002-05-01 Thread Irwan Hadi
MAC address into one VLAN, and the rest in the appropriate VLAN. For more info, see: http://www.rescomp.berkeley.edu/about/training/senior/progs/Network-Retooling/x46.html > > -Original Message- > From: Irwan Hadi [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, May 01, 2002 8:16 A

Re: VLANS [7:42932]

2002-05-01 Thread Irwan Hadi
On Tue, Apr 30, 2002 at 10:07:53PM -0600, Rizzo, Damian wrote: > Hey all, got a quick question regarding VLANS. Can you create multiple > VLANS in the same subnet? > > For instance if you have RouterA-->VLAN1--> VLAN2-->etc... Can both VLAN 1 > and 2 be in the same subnet? > > Thank you. y

Re: Whats going to happen ? [7:41572]

2002-04-16 Thread Irwan Hadi
On Tue, Apr 16, 2002 at 05:53:42PM -0600, Michael L. Williams wrote: > > The idea of doing MAC based VLAN is surely for security. I want that > > computers that aren;t registered yet to have an IP in the 172.16.0.0 > > subnet, while computers which already registered will have a routable IP > > a

Re: Whats going to happen ? [7:41572]

2002-04-16 Thread Irwan Hadi
On Tue, Apr 16, 2002 at 07:03:57AM -0600, Michael L. Williams wrote: > Personally, I've never come across a situation where MAC-based VLANs were > useful. Port-based membership is more practical/common. You can always > enforce port-security based on MAC address, but still have the same prob

Whats going to happen ? [7:41572]

2002-04-16 Thread Irwan Hadi
Dear All, Suppose that I create a MAC based VLAN with for example 100 computers. All of these computers either will get IP from the DHCP for the 10.0.1.0/24 IP block, or they can hard wired their own IP provided that the IP is their own, and it is in the 10.0.1.0/24 subnet. Now suppose one perso

Re: ISP discussion groups/lists [7:36618]

2002-02-27 Thread Irwan Hadi
On Wed, Feb 27, 2002 at 09:24:43AM -0700, Constantin Tivig wrote: > Any ideea where I can find a discussion group/list for ISPs ? > www.isp-lists.com Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=36660&t=36618 -- FAQ, list a

Border Router load [7:36643]

2002-02-27 Thread Irwan Hadi
We have a Cisco 7204 VXR which acts as a border router. The Cisco 7204 VXR has two ATM interface from the internet for 45 Mbps, and one gigabit ethernet for out network. The gigabit ethernet is connected to Cisco 6509. One thing that happens on the border router is that the load is always high (ar

Border Router load [7:36642]

2002-02-27 Thread Irwan Hadi
We have a Cisco 7204 VXR which acts as a border router. The Cisco 7204 VXR has two ATM interface from the internet for 45 Mbps, and one gigabit ethernet for out network. The gigabit ethernet is connected to Cisco 6509. One thing that happens on the border router is that the load is always high (ar

IOS License [7:34165]

2002-02-01 Thread Irwan Hadi
Dear All, I need to know, for Cisco IOS : 1. If we buy a used Cisco Routers with IOS installed, do we need to buy separate IOS license again ? 2. If we have for example 10 routers with same version, can we buy just one IOS box and install that on those 10 routers, or do we need to buy 10 IOS boxe

Will the AIM functional ? [7:14880]

2001-08-03 Thread Irwan Hadi
Hi, I'm curious in an ATM based network, there are two routers (2620 and 3660) with their own AIM data compression card. My question is will the AIM Data compression still helpful in reducing the traffic by compressing it ? How about the QoS setting ? Has anyone ever done this before ? I'm thinki

100base FX connection

2001-04-02 Thread Irwan Hadi
I just curious, if I use Cisco Catalyst 2900MF-XL with fibre optic uplink module (100 base FX), can I connect the end of the fibre optic cable to a Cisco Catalyst 3524 XL ? because the Catalyst 3524 XL I think only support for 100 base T based connection. Should I use any converter for this (from

Inter VLAN routing

2001-03-30 Thread Irwan Hadi
I have a question, There is a campus network, with several buildings, and in each building there is a main switch (say Catalyst 2924-XL-EN) with vlan on each port. Basically there are two ports (out of 24) reserved with fast ether channel to the main switch, (for example Catalyst 3524-XL-EN). If t