Re: Catalyst 4000 and DHCP [7:62632]
Hi Priscilla, I am reading your book that you sent me..why? :) need more info ? Larry Letterman Network Engineer Cisco Systems - Original Message - From: Priscilla Oppenheimer To: Sent: Friday, February 07, 2003 3:22 PM Subject: RE: Catalyst 4000 and DHCP [7:62632] Waters, Kristina wrote: I am curious as to whether anything else got upgraded besides the new switch. I got the impression that this wasn't a problem before the upgrade, in which case portfast could definitely be the culprit. However, you could also see this error if DNS is improperly configured in a win2k domain. Also, I'm not sure about this, but if the 4006 has a sup3 or sup4, could the problem be related to layer 3? Sure it could. He says all that he did was put a switch in, but there's a good chance he did more than that, but we may never know... Sigh. But a new switch might imply that he also put in VLANs, a L3 module, etc. When people send in questions, it would be nice if they would send in enough info so we could do more than guess. It would be nice if they would provide a follow-up also and let us know what the problem really was and what fixed it. Some people can't stand the out of the office messages. I can't stand the messages that ressemble someone calling their doctor on the phone and saying no more than, Hey doc, I'm tired. Why? Now, if you go to the doctor in person, this might be OK because then the doctor can examine you. Here the analogy falls apart. We can't examine someone else's network. However, the wise poster will communicate info to us about their examination of their network to help us help them. (This isn't targetted at the original poster specifically, who did supply at least some info.) Troubleshooting should be done systematically. It's not a guessing game. Hope we learn more about what the issue was! It could be educational for many of us. Priscilla Kris -Original Message- From: Priscilla Oppenheimer [mailto:[EMAIL PROTECTED]] Sent: Friday, February 07, 2003 1:24 PM To: [EMAIL PROTECTED] Subject: RE: Catalyst 4000 and DHCP [7:62632] Tunde Kalejaiye wrote: hi all, we just upgraded our network to a switched, a catalyst 4006 to be exactsome users have been getting 'no domain server available ' error message. they usually have to try more than 4 - 6 times to successfully log on to the network. has anybody come across this problem before? what work around did u use besides configuring static ip addresses? thanks for your response(s) in advance Your message title implies that there's a problem with DHCP, but then your message text implies that the problem is with Windows networking, specifically a client trying to reach the domain controller? (I assume you mean the Windows type domain server and not the IP Domain Name System.) So, verify for yourself and us that DHCP is working first. If the failure is with DHCP, try the stuff other folks recommended. Enable portfast so that the clients can start receiving replies to their DHCP request ASAP. Also, you may need a helper address, depending on where your DHCP server is located. Feel free to send us more info about your topology and configuration. Then, you have to get Winblows working. I did have all sorts of problems getting this to work with a consulting client who had upgraded to VLANs. Unfortunately, he fixed the problems in the end without my help, so I don't know the details, one of the frustrating things about being a consulant. (A lot of help that is. ;-) But you could look through some Group Study messages from about a month ago. A bunch of folks had ideas to help. I think the title of the thread was something about Windows Networking. Here's one message that a wise person on the list sent' I've forgotten who, sorry. Simplest solution is to put a WINS Server on the Subnet that can't find the DC. Configure it to replicate with the DC on the other Subnet, or Statically configure the Domain Name entry for the NT Domain on the WINS Server in the troubled subnet. Your DC Not Found issue should be resolved then. More Administratively intensive solution is to modify the LMHOSTS file to have the following entry on every Windows Workstation/Server in the troubled subnet. IP.ADD.RE.SS MachineName #PRE #DOM:Domain-Name Microsoft has tons of documentation on this sort of thing. Keep us posted! Thanks, Priscilla Tunde ** This email and any files transmitted with it are confidential and intended solely for the use of the individual or entity to whom they are addressed. If you have received this email in error please notify the sender by email, delete and destroy this message and its attachments.
Re: Please confirm (conf#99a7fba3dd4b8b9e7f244f7980ca94c4) [7:62689]
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Multicast helper-map example - any? [7:62690]
Hello,Is there a way to simulate a multicast helper-map example with Cisco routers (kind of an obvious stupid question) but thought I might try :-)I know how to configure it on the appropriate routers but is there a way to test??Thank you.Sincerely,CN MSN 8 helps ELIMINATE E-MAIL VIRUSES. Get 2 months FREE*. Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=62690t=62690 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: question [7:62655]
big word...too big for a mortal. Sam Sneed a icrit dans le message de news: [EMAIL PROTECTED] No, its because Gary Crouch is god. Disclaimer: This wise ass comment will be ironically punished with another autoreply from Gary Crouch. Symon Thurlow wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... Is it not because he belongs to the list, and he has gracefully decided to let us know that he is out of the office until the 10th? -Original Message- From: Jason Steig [mailto:[EMAIL PROTECTED]] Sent: 07 February 2003 18:48 To: [EMAIL PROTECTED] Subject: RE: question [7:62655] cause he is the moderator. he's moderating = This email has been content filtered and subject to spam filtering. If you consider this email is unsolicited please forward the email to [EMAIL PROTECTED] and request that the sender's domain be blocked from sending any further emails. = Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=62691t=62655 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: ASBR ROUTER [7:62570]
Hello Thank you for your reply Yes I have already a static route out to the Internet Thank you again hanan -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] Sent: Saturday, February 08, 2003 2:18 AM To: [EMAIL PROTECTED] Subject: Re: ASBR ROUTER [7:62570] Juntao wrote: u'd have to set a static route out to the internet, unless if u have bgp but it didn't sound like it. I don't know what that's in response too. Yes, the ASBR can have a static default route configured and with the default-info orig it can inject that into the OSPF domain. That way the routers in the OSPF domain can send traffic to the Internet. As I said before, we haven't addressed traffic coming back from the Internet into the OSPF domain, though. Assuming a simple design, the ISP can have a static route to the network in question and the OSPF routers can do their magic to figure out the details of where the packets should go. :-) Priscilla Priscilla Oppenheimer a icrit dans le message de news: [EMAIL PROTECTED] hanan wrote: Hello Thank for your reply Do I need to create route redistribution in my ASBR router? As I said the ASBR router has 2 interface one connected to my internal network in single area and the other interface is connected to ISP so do I need to create route redistribution or its not necessary? Nope, no need to do route redistribution. The default-information originate should meet your needs, assuming we understand your needs correctly. The default-information originate is sort of a specialized alternative to redistribution, from what I understand. Chuck will correct me if I'm wrong! :-) The command means that the ASBR can inject into the OSFP domain a static route or a route discovered by some other routing process, so that routers in your OSPF domain can take advantage of the ASBR as the gateway to the rest of world, so to speak. The always keyword means that the ASBR will always advertise a default route into the OSPF domain, even if from the ASBR's point of view, the route is flapping. This avoids the ASBR continually sending new type 5 LSAs into the OSPF domain. It just keeps things nice and clean. But if you happen to have lots of ASBRs injecting a default route, then don't use the always keyword. In this case you want the OSPF domain to have dynamic, recently updated info about which defaults are working. At this point, we have only addressed routers in the OSPF domain obtainin a default route to get out of the OSPF domain through the ASBR to the Internet. How traffic gets back in is a more advanced... Priscilla Best regards hanan -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]] Sent: Friday, February 07, 2003 12:57 AM To: [EMAIL PROTECTED] Subject: Re: ASBR ROUTER [7:62570] The Long and Winding Road wrote: hanan wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... HELLO Could you please help me? I want to configure Cisco router series 2600 to enable OSPF and configure it as autonomous system border routers (ASBR) in one single area; the router has 2 interfaces one connected to ISP and the second one to my internal network that use OSPF protocol Can you tell me the commands that I must use exactly? enable conf t router ospf ( whatever the process ) default-information originate always add network ip-address wildcard-mask area area-id command?? control-z write mem speaking of mem, I'm doing this from mem, without a book or a router handy. how'd I do? :- Best regards Hanan.mawla Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=62692t=62570 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
Re: SAFE exam (9e0-131) [7:62494]
I am using Boson's practice test for Cisco SAFE exam. It seems pretty decent to me. You may want to give a try. A. Strobel Quoting Hanna, Keith : Has anyone taken this exam yet? I am about to register for it, and having read the blueprints, I'm not sure I understand what will be asked for. Do I need to know actual recommend configs? Or is it more of a 'general' overview? I have gone throught the blueprint several time, and if you don't need to know actual config info, there doesn't appear to be that much to need to know? Anyone care to comment? -_-_-_ Free Email Service! No Hidden Charges! Click Below to Sign Up -_-_- This mail sent through http://mail3000.com/register.html Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=62528t=62494 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
RE: How Difficult, Please? [7:62536]
Hello, I am preparing for it ahead of Switching because a more broad CID - ARCH?? - is on the way. How difficult is it? I only have Boson Test #1 for practice. Is it enough? I have Top-Down Design and Cisco Internetwork Design (Cisco Press). Are these enough in your opinion (without real-world experience)? Kindly let me know if you can. CCDP-to-be Message Posted at: http://www.groupstudy.com/form/read.php?f=7i=62562t=62536 -- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
