VOIP Class Recommendation [7:73480]

2003-08-04 Thread Henry D.
Does anyone have any recommendations for taking a class/training on the VOIP stuff ? I'm looking for something Cisco oriented, but if someone has something good to recommend on more general implementation options, and design for different protocols like SIP/H.323/MGCP, etc, that would be good too.

Re: netbios [7:71084]

2003-06-22 Thread Henry D.
Since your question already assumes these port ranges, it would mean your question is really whether NetBIOS over TCP/IP can be routed. And as such, it can, just like any other IP traffic. ""koh jef"" wrote in message news:[EMAIL PROTECTED] > hi guys, > > can netbios,using port 137, 138 and 139 b

Re: Cisco Beta exams [7:70659]

2003-06-15 Thread Henry D.
To be honest, I don't like them :-( I took few beta exams and never got to pass any of them. When I went for the final version once available, I had no problems clearing any of them. And I don't think the problem was with my preparations either. The few exams I took were rather poorly structured,

Re: Help with Cisco 3745 configuration [7:69765]

2003-05-30 Thread Henry D.
hmm, let's not forget we're not routing just for the routing sake. There is much more then just setting up these few routers to make them talk to each other. What will be routed data wise, what type of connectivity, applications, topology, protocols, business requirements, etc, etc. If you understa

Re: A career in MPLS..... [7:66609]

2003-04-01 Thread Henry D.
nse coming, so let me be done with this subject. I had an early start today and I'm tired now. Good night ! ""nrf"" wrote in message news:[EMAIL PROTECTED] > ""Henry D."" wrote in message > news:[EMAIL PROTECTED] > > Let me say up front, I

Re: A career in MPLS..... [7:66609]

2003-04-01 Thread Henry D.
Let me say up front, I don't have much experience in MPLS, I have only played with it in the lab and not all that extensively either. But CN is simply trying to get an idea of what to expect to go that road. Is "nrf" saying not to advance in this field by studying Cisco's way of emphasising MPLS ?

Re: This is even better - RIP / OSPF redistribution [7:66057]

2003-03-24 Thread Henry D.
hmm, don't know the whole story, but once you redistribute ospf into rip and you mess up filtering on the interface, wouldn't that allow you to see the redistributed routes on the router connecting to that interface ? It's just another way to see whether what you implemented actually does work...

Re: Getting out of hand?? [7:65676]

2003-03-19 Thread Henry D.
Peter, I have many times come to the similar conclusion in regards to Cisco's ways of screwing up the whole certification recognition. It's no more one of the ways to validate individual's knowledge of technologies and Cisco products...However, as hard as I have worked to get the # I don't think I

Re: I see Cisco still hasn't fixed that bug [7:64813]

2003-03-09 Thread Henry D.
Chuck, you might want to read up on classful properties of this command...here's a tip: http://www.cisco.com/en/US/customer/tech/tk648/tk365/technologies_tech_note0 9186a0080094374.shtml#ipnetwork ""The Long and Winding Road"" wrote in message news:[EMAIL PROTECTED] > you know the one. you're

Re: Best Book/DOCs on MPLS [7:64257]

2003-03-03 Thread Henry D.
I dunno about "best" but there are some titles published by Cisco Press www.ciscopress.com , also www.juniper.net has some good papers. Besides that, there are many web sites out there that cover the subject and the nitty-griddy RFC's :-) wrote in message news:[EMAIL PROTECTED] > Hi All, > > Dose

Re: Who likes BGP? [7:64132]

2003-03-01 Thread Henry D.
I agree with the part that there are many human related problems with BGP configs and policies implementations. But that's the case with other protocols as well. In BGP's case it's probably showing more of people's carelesness or misunderstanding of the working of the protocol since as you mentione

Re: Can you claim Cisco Tests as a tax exemption? [7:64042]

2003-02-28 Thread Henry D.
I suppose if you're able to itemize deductions there should be no problem, I do it all the time, that also includes books, any travel expenses related to taking the exams or improving my professional skills, buying the equipment, etc. As long as you have a prove, such as credit crad statements you

Re: MBGP/MPLS VPN question [7:64036]

2003-02-27 Thread Henry D.
I don't think they should have a problem. The VRF should be created just for you so there should be no conflict. I never used this service from any of my providers so I cannot be certain. But as far as I'm concerned they shouldn't even care what addressing you're using between the sites. They provi

Re: Loopback Testing [7:63515]

2003-02-21 Thread Henry D.
Actually, Frame Relay switches don't forward the loop messages received on local port to the remote port. You can only loop between each end router and it's local Frame Relay switch. So, unless this is a cross-over simulation, you won't be able to achieve end-to-end loop. So, you can do loopback te

Re: Cisco CWDM Experiences [7:62841]

2003-02-12 Thread Henry D.
s113/ns197/networkin g_solutions_package.html Looks like mostly plug-n-play as long as proper attenuation is considered and you get the correct modules/GBIC's mix in there. ""Henry D."" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Hi everyone, > > I&#

Cisco CWDM Experiences [7:62841]

2003-02-11 Thread Henry D.
Hi everyone, I'm looking at some of the CWDM docs and this solution seems to be a really good (read easy) way to increase the bandwidth between sites with existing SMF. I don't have any DWDM experience, but looking at this solution it would seem you don't need to do much in order to achieve pretty

Re: Enterprise Design Probelm / Study [7:61351]

2003-01-20 Thread Henry D.
Consider yourself lucky, that's a great thing you get to work on a project of that scale, especially if you get to be one of the major players in putting the puzzle together. I wish I could be part of it as well. Good luck ! ""The Long and Winding Road"" wrote in message [EMAIL PROTECTED]">news:[

Re: catalyst 6513 conversion from cos to ios [7:60388]

2003-01-05 Thread Henry D.
I did this a little while back, all worked out pretty well during the process. As long as you follow the doc describing this on CCO you should be ok (I know it's not all that clear but read it few times and you'll get it). I think the problem with this upgrade could be rather poor documentation. Y

Re: Off Topic but interesting - R&S networking future? [7:59261]

2002-12-15 Thread Henry D.
Since we're just throwing out our thoughts here... I tend to disagree, following your logic, if the IP network becomes such a commodity, I think this would just create more jobs for people like us, I mean R/S guys. You seem to think that once the IP network is used for the services such as Voice,

Re: Last Minute Thought - OSPF authentication issue? [7:58352]

2002-11-30 Thread Henry D.
It would seem you wanted to use md5 authentication but you used plain text authentication keys. In this situation - when there are no md5 authentication keys specified - I think the routers will use null key, meaning no authentication will take place... ""The Long and Winding Road"" wrote in mes

Re: time needs to be spent on CCIE study [7:55803]

2002-10-17 Thread Henry D.
It all depends on many factors. Your learning capabilities, work experience, access to equipment, personal life, etc. You should test yourself and be honest with yourself in your studies. There are materials available on the net in regards to different lab scenarios, some are free and some will cos

Re: traceroute blocked port [7:53657]

2002-09-20 Thread Henry D.
Well if that's the case then you'll have a hard time finding where it's blocked. Ususally, transit providers don't do this, so it should be the ISP/Provider on either end of the connection. However, there are some transit providers, especially in countries where VOIP is prohibited or highly regula

Re: traceroute blocked port [7:53657]

2002-09-19 Thread Henry D.
I guess you'd need to have someone from outside claiming that the traceroute is blocked to actually send you the output of the trace, it should show there :-) On the other hand, you might want to try it yourself from other networks. Go to www.traceroute.org, pick a route server/looking glass and

Re: PIX Failover [7:51491]

2002-08-16 Thread Henry D.
Whenever you type a command on the active unit it's being replicated to the standby unit. So yes, it will automatically update standby unit but it's not written to memory unless you write to memory on the active first. ""Steven A. Ridder"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTE

Re: CSPFA Beta Exams [7:50984]

2002-08-09 Thread Henry D.
I just came back from taking the first out of 3, MCNS beta. I have no comparison to the 2.0 version, never really was planning to take these tests but since they're free then why not... Anyway, I studied for the test using the MCNS 2.0 Ciscopress book for the last 4 evenings. I can say there is n

Re: Serial Interface Bandwidth [7:50381]

2002-08-01 Thread Henry D.
That would work if you have integrated CSU, the timeslots would be there. If you connect say with V.35 to an external CSU/DSU then you won't get the timeslot information. The only way to figure out the bandwidth then would be to stress-test the circuit and see how far you can get the bandwidth uti

Re: CCIE Recertification [7:50372]

2002-08-01 Thread Henry D.
Just the written, thank God ! :-) ""Reza"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Hello Group, > I know that CCIE,s have to recertify every 2 years. For recertification do > you have to take the Lab or the Written? > > Thanks > Reza Message Posted at: http://www.gro

Re: CCIE Experiences? My Road Ahead... [7:50139]

2002-07-30 Thread Henry D.
Robert, In 1999 when I started looking into CCNA cert I didn't know much about switching, routing or Cisco equipment all together. I decided to go thru CCNP/CCDP tracks, as my experience was very limited. By late 2001 and after few tries at the lab I got my number. It doesn't require all those ye

Re: Source quench from network element. [7:49990]

2002-07-29 Thread Henry D.
Priscilla, Isn't there statement in the RFC's that Source Quench message should be sent if the host is overwhelmed with data ? Is that really being used in the real world applications ? On the other note, I have seen HP-UX machines keep on responding with these messages to ICMP Echo requests, so

Re: Can't Disable Spanning Tree on 2980G [7:50009]

2002-07-29 Thread Henry D.
John, It might be just a display issue on the switch, I just checked couple of my 6500's and for the VLAN's that have the STP disabled with active ports I see the same results. I think when you plug in a laptop to any available port on the same VLAN you'll see that it doesn't go thru STP phases a

Re: Here we go again ( Pix 515) [7:49492]

2002-07-25 Thread Henry D.
sorry, just couldn't resist - hahaha besides, if you're capable of doing all these multiple things with and on the networks, you're not just an NT guy even though your work title might say that :-) ""Kevin O'Gilvie"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Hey, > > No fl

Re: Here we go again ( Pix 515) [7:49492]

2002-07-24 Thread Henry D.
I haven't used DHCP server on the PIX, reading the documentation it seems you gotta be careful with how many Active Hosts you'll have. Looks like some low end PIX's do only 32 Active Hosts. On the other hand, I suppose the only reason for having PIX do DHCP would be for small offices, where some o

Re: Catalyst Switches and CDP [7:48603]

2002-07-11 Thread Henry D.
This appears to be a code version issue. I have the same symptoms on the 6509 running 5.5(3)CatOS while another 6509 running 6.3(5) CatOS is showing the neighors by their system names/hostnames. Even though they're not running IOS I think it still relates. It appears to be just a display/cosmetic

Re: ATM IMA interface problems [7:47849]

2002-07-01 Thread Henry D.
This is going to be of no help to you but when we used these cards to bundle multiple T1's we had nothing good to say about the way it worked. There were multiple issues, i.e looping one T1 would cause the whole bundle to go down. Clearing groups like removing one T1 from the bundle was causing pr

Re: BGP NLRI [7:47337]

2002-06-25 Thread Henry D.
Think of it as a route with additional info. BGP uses such things as AS number, MED value, communities, etc. NLRI consists of the prefix plus that extra info. ""rick"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > I am having some trouble understanding NLRI as opposed to > stra

Re: Question about the 350 series AP [7:45971]

2002-06-07 Thread Henry D.
Mine included everything. ""Roberts, Larry"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > OK, > > Can someone confirm/deny that the 350 will only accept in-line power? > Does it come with the in-line power injector, or is this a separate item? > I have read everything I can an

Re: PIX + VPN Router or Just VPN Router? [7:45315]

2002-05-28 Thread Henry D.
What you are describing doesn't really make sense. You say you have connections back to the core site from all remotes. If that was the case there would be no reason for the pix at remote sites or an obvious reason for vpn tunnels between remotes and the core site. In that case, you could just put

Re: BGP's neighbor advertisement-interval command [7:44521]

2002-05-20 Thread Henry D.
;. > There is no mention how long BGP will readvertise the affected > routes. Any ideas? > > Thanks. > Elmer > - Original Message - > From: "Henry D." > To: > Sent: Monday, May 20, 2002 12:04 PM > Subject: Re: BGP's neighbor advertisement-int

Re: BGP's neighbor advertisement-interval command [7:44521]

2002-05-20 Thread Henry D.
You're correct, however if there are route changes happening constantly you don't want the router to keep sending updates as it might exhaust the peers. The interval is used so there is a limit of how often the updates are sent regardless of how often the routes actually change. ""cebuano"" wrot

Re: CCIE in 3-6 Months from cisco Interesting [7:43306]

2002-05-05 Thread Henry D.
I agree with all of the people that because of the economy most CCIE's won't see big salaries from few years back. I also agree that "paper" CCIE doesn't really compare to a "paper" MCSE, SCSA or whatever else. A CCIE needs to have some hands-on. The problem is that lab testing has little to do wi

Re: passed MCAST/QOS exam [7:40345]

2002-04-03 Thread Henry D.
Congrats ! ""Reinhold Fischer"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > hi all, > > today i took the multicast and qos exam (640-905). In my opinion it is the > hardest of the three exams to achieve the CCIP/MPLS cert. > > For preparation i have used the Ciscopress 'devel

Re: Re: MPLS in the Enterprise [7:36670]

2002-03-10 Thread Henry D.
Interesting, let me also bring few things up here, not that I have much experience in MPLS/VPN but who does ? :-) I suppose one of the problems with this particular service is that not all SP's or Enterprises fully understand the potential, or technology in general. First, SP's might not be able

Re: MD5 encrypting vty passords [7:33533]

2002-01-29 Thread Henry D.
quot; > before entering the vty password? > > What encryption mechanism is used when a password is entered as type 7? > > Thanks > > > "Henry D." wrote: > > > > It's not possible to use MD5 on vty's. > > I suppose the reason would be that

Re: More Confused!!! Re: Neighbor commands...Yes or No?? [7:33560]

2002-01-29 Thread Henry D.
t, preferably >on the HUB > >router. > > >- Original Message - >From: "Cisco Nuts" >To: > >Sent: >Monday, January 28, 2002 3:42 PM >Subject: Re: Neighbor > commands...Yes or >No?? [7:33486] > > > > And that's exactly what

Re: Can ping from one side only!! why? [7:33527]

2002-01-28 Thread Henry D.
Can you post the relevant configs then ? ""Cisco Nuts"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Hello, > I have router RTA connected to router BBR running ospf 100. Router BBR has a > static route of 0.0.0.0 to router TS. Router BBR also has a redistribute > static comman

Re: MD5 encrypting vty passords [7:33533]

2002-01-28 Thread Henry D.
It's not possible to use MD5 on vty's. I suppose the reason would be that MD5 enable password is not all that much more secure than type 7 passwords. When you type them they both are being sent over the network in clear text anyway. The only reason for using MD5 would be so anyone who sees your co

Re: Can ping from one side only!! why? [7:33527]

2002-01-28 Thread Henry D.
In your scenario, packet originates on router Remote with destination of router RTA - with IP address of the network connecting RTA to BBR. Remote knows to use TS because of the RIP information and sends packet to TS, TS knows how to get there because it has statics so it forwards the packet to BB

Re: Lab Kit.... [7:33412]

2002-01-28 Thread Henry D.
It could be possible to only use 4 routers and still be able to do some complicated labs. But what real CCIE lab is about is to put a lot of stuff in one physical topology, mixing all of this together, confusing you which protocol or interface you still need to get to, what and how the redistribut

Re: Neighbor commands...Yes or No?? [7:33486]

2002-01-28 Thread Henry D.
There are 2 different issues. 1. Layer 2 to Layer 3 mapping. 2. Routing You need to separate these 2 in order to understand how it all works. If I gave you all the answers then it wouldn't be fair to you as you need to grasp it for yourself, especially if planning to gor for CCIE. ""Cisco Nuts"

Re: BGP Backdoor! Lab on Friday, Please HELP! [7:33423]

2002-01-28 Thread Henry D.
I suspect your ISIS between Glori and Bilbo is either not working or this specific route is not exchanged with ISIS. Can we see the whole config for these bad boys ? Also, what happens when you shut the BGP session between Bilbo and Elrand, do you get the ISIS route then ? You don't need backdoor

Re: tunneling with previously undefined endpoint? [7:32057]

2002-01-15 Thread Henry D.
If I get this correctly you can use dynamic-map feature as seen in the example here: http://www.cisco.com/warp/customer/707/ios_804.html ""the-other-jason"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Help, I can't think of a way to do this . :-( > > We have two IPSec "a

Re: Kindly assist. (IPSEC over ISDN + HSRP) [7:31116]

2002-01-07 Thread Henry D.
With the mix of dial profiles and correct crypto maps there shouldn't be a problem. ""Pius"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...> Hi, > > I am using ISDN routers to connect to 2 remote sites, the headquarter has 2 > router which will be running HSRP. > > The primary rou

Re: Regarding E1 controllers [7:31126]

2002-01-07 Thread Henry D.
It wouldn't work at all if framing was incorrect. You may be encountering a bug of some sort. I 'd make sure you have the lates IOS installed and that you PA revision is not too old. Some of these bad boys caused us problems when we first started using them but not any more. ""K.RAMESH BABU"" wr

Re: Activating VPN slows connection drastically, Why? [7:30043]

2001-12-24 Thread Henry D.
I don't know much about CheckPoint's VPN solutions but the logical things that could cause degradation in performance could be either client PC's that now with VPN are required to encrypt/decrypt data, the end point machine that has to do the same things, some issues within the infrastructure beyo

Re: Help with Voice over IP over ATM [7:25163]

2001-11-03 Thread Henry D.
You need to have VAD disabled in your dial-peers. ""William Lijewski"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > I have been looking for what is probably a one line command for about 2 days > now. > > In the lab I am working on you are to do Voice over IP over ATM SVC's. Th

Re: BGP Confederations [7:24940]

2001-11-01 Thread Henry D.
Disregard my last post, I got it all messed up.. In confed cluster you peer over IBGP using a different AS than the confed ID, or real AS number. ""Henry D."" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > If you think about it, in the config you

Re: BGP Confederations [7:24940]

2001-11-01 Thread Henry D.
If you think about it, in the config you specify bgp process as confed id, which means if you need to peer over IBGP you actually peer with confed ID and not the real AS number. So, yes you do need confed id specified on each BGP in confed cluster. ""McCallum, Robert"" wrote in message [EMAIL PR

Re: To Passive or Not to Passive [7:24771]

2001-10-31 Thread Henry D.
In regards to Q number one. I think it would be much better not to specify passive interface under OSPF as long as your network statement does not include the IP of the interface in question. The reason for that, at least in my head, is that if I were a proctor I might think you don't understand

Re: Questions about PIX firewall [7:24634]

2001-10-30 Thread Henry D.
Yeah, there is a GUI but you'll be better off just trying to get used to the CLI. It's just better, trust me. By HA I suppose you mean High Availability, there is a good link describing how failover works: http://www.cisco.com/warp/customer/110/failover.html We've had good experience with failov

Re: Slow wan link. TCP traffic "ok", UDP not okay. Please help! [7:24074]

2001-10-24 Thread Henry D.
And yes, you need to have anonymous login allowed if you don't want to specify a specific username: r2#debug ip ftp FTP transactions debugging is on r2#term mon r2#copy startup-config ftp: Address or name of remote host []? 192.168.168.101 Destination filename [startup-config]? Writing startup-co

Re: IPsec question!!! [7:24020]

2001-10-24 Thread Henry D.
The good book to read for (in my opinion) great IPSec coverage is "Enhanced IP Services For Cisco Networks" by Donald C. Lee - ISBN 1-57870-106-6 ""Hussam Adili"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Dear All, > > I have a question about IPsec tunnel mode. As I underst

Re: Route Reflectors and Peer Groups [7:23765]

2001-10-22 Thread Henry D.
Hi there, Did you ever get an answer, or figured this out ? I can't quite get a clearer understanding of what they're talking about in the excerpt you submitted either. I was looking at the BGP case studies on cisco's web site and I still can't get it. Thanks ""Lupi, Guy"" wrote in message [EM

Re: Design Question - Spanning-tree Protocol. [7:23614]

2001-10-20 Thread Henry D.
Hmm, I think your STP/EtherChannel might be misconfigured. EtherChannel should be treated as a single logical link. With an STP running on top of it your both links should be forwarding. So in case one of the physical links fails, there is no need to re-calculate anything with STP. Are you sure th

Re: IPX transport control [7:23389]

2001-10-19 Thread Henry D.
ork with 16 or > more hops. (16 means infinity.) But routers running EIGRP and NLSP can > learn about paths that are more than 15 hops away, so it might make sense > in those cases. > > Does anyone care about IPX anymore? IPX RIP? EIGRP for IPX? NLSP for IPX? > > Any feedback wou

Re: IPX transport control [7:23389]

2001-10-18 Thread Henry D.
I'm no expert at this but from I was able to get from cisco's web site is that the router discards the packet if the control field is set to 16 or up for ipx rip. In mixed environment, with both NLSP and RIP running, the router might have routes of greater than 16 if it learnt those routes using N

Re: Linux Syslogd and multiple device question [7:21910]

2001-10-03 Thread Henry D.
Install syslog-ng, much better for handling what you're describing. ""Telemachus Luu"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Hi, > > I have multiple nodes and have set up logging to a syslog server. > Currently, in my /etc/syslog.conf, I have local0.debug through local7

Re: Tacacs [7:2602]

2001-04-30 Thread Henry D.
I'm not an expert in TACACS but I know you can have more than 1 server specified in the routers. I mainly used it just for authentication, in which case there was no problem whatsoever with this setup. If first specified server is not reachable, the other is being used. I don't think there would b

Need your opinion

2001-01-10 Thread Henry D
Hi all, Need your opinion here. Currently I'm (quite paper) CCNP. I don't have home lab nor any OSPF and BGP real world experience. I have limited experience in frame relay, RIP, EIGRP. Now if I take all CCIE related courses (OSPF & BGP workshop, ECP1, CCIE preparation training from horizon-mts,