Since it's on the blueprint, we cover it in some of our labs.
-- Marko Milivojevic - CCIE #18427 Senior Technical Instructor - IPexpert Free CCIE Training: http://bit.ly/vLecture Mailto: [email protected] Telephone: +1.810.326.1444 Community: http://www.ipexpert.com/communities :: Sent from my phone. Apologies for errors and brevity. :: On Aug 25, 2010, at 6:42, Ben Hughes <[email protected]> wrote: > Hey guys, > > > > I’ve just setup my lab with Dynamips and real switches. I’m using a 3550 as > a breakout switch though and as a result can’t get l2protocol tunnelling to > work – ie no CDP/VTP/STP between virtual world and real world. Just > wondering if there is anything in IPExpert labs where the l2protocol > tunnelling would be a requirement? > > > > Cheers, > > Ben. > > > > > > From: [email protected] > [mailto:[email protected]] On Behalf Of --Hammer-- > Sent: Wednesday, 25 August 2010 2:31 PM > To: [email protected] > Subject: Re: [OSL | CCIE_RS] GNS3 as a study aid > > > > Good response Adam. I too am using GNS3 with physical switches. I'm working > thru the IPExpert volumes and haven't seen any significant problems yet. As > someone who has successfully failed the lab I can say that using GNS to > prepare for the configuration section works pretty well. If you don't have > real switches, then you'll really need to rent-a-rack at least a few times to > get your switching skills homed. Other than that, it's a great product. > > > > --Hammer-- > > On 8/24/2010 5:58 PM, Adam Booth wrote: > > Hi Andy, > > Welcome to the list. I would like to suggest that rather than piggy backing > onto an existing mail thread and asking a completely different topic that in > the future you start a new one. The reason being is that I don't think > everyone will open up a thread asking about SNMP unless they are interested, > so you may miss out on their possible input about a topic like using > GNS3/Dynamips. > > Tools like GNS3/dynamips can certainly be helpful and there are people that > use it as their main study aid but there are sometimes problems and > limitations that are generally chalked up to occurring with the emulation > platform. The volume 1 workbooks from IPExpert includes a .net topology that > can be used. To use dynamips effectively you are going to have do a good > amount of research and learning, searching the mailing list archives, CCIE > blogs, the Dynamips forum http://7200emu.hacki.at/ and googling as well as > fiddling around for yourself prior to asking for help should be your tools - > depending on your circumstances this might be an added difficulty that you > can do without and so the other alternatives of renting time on a rack or > buying actual routers and switches for your home lab may be worth while - or > even using a combination of the different methods depending on the technology > you are using and the network complexity. > > In my personal circumstances I am using dynamips and real switches but if it > gets to a particular point where I am not happy with how my environment is > performing, I am prepared to change to rack rentals. My thoughts on the > matter when I was first actually committing my personal effort towards the > CCIE are in my blog > http://noshut.blogspot.com/2010/02/is-having-home-lab-like-having-home-gym.html > - I haven't sat the exam so I cant say it has categorically work for me and > to be honest even if I purely used rack rentals, I think I would use dynamips > anyway as its good to quickly bang something together and test if theres a > particular problem case in your mind - and its something you can carry about > with you and use on a laptop - not so each to lug a number of 2811s around > with you :) > > Hope that's of some help - I have changed the message subject so hopefully > you will also get some more opinions too. > > Cheers, > Adam > > > > > > On Wed, Aug 25, 2010 at 6:32 AM, Lackraj, Andy <[email protected]> wrote: > > Hey guys, > > Looking to do the IE and was wondering how many of you guys > have used GNS3 and how is it? Would it be adequate tool to prepare for the > lab? > > > > Any feedback is appreciated. > > > > Thx.. > > > > From: [email protected] > [mailto:[email protected]] On Behalf Of Adam Booth > Sent: Tuesday, August 24, 2010 3:23 AM > To: Taqdir Singh > Cc: [email protected] > Subject: Re: [OSL | CCIE_RS] snmp engine id > > > > Hi Taqdir, > > The engine id is used with the snmp user password to generate the MD5 digests > (the system will not store the passwords - just the engine id and MD5, so if > one or the other changes, you need to use the password and regenerate the MD5 > hash. RFC2274 discusses the user security model) > > Another thing I think was introduced with SNMPv3 but I'm pretty sure can also > be used with SNMP 2c is the use of SNMP Views. This basically allow limiting > which parts of the MIB tree that can be looked at for a particular user or > community, an example would to allow a managed customer to pull out interface > stats and cpu load but not see everything else... > > Cheers, > Adam > > On Tue, Aug 24, 2010 at 4:34 PM, Taqdir Singh <[email protected]> wrote: > > Hi All, > > > > In snmp v1 and v2c there was no concept of engine id and no authentication > and encryption > > > > so snmp v3 came with md5 authentication and encryption of packets. > > > > what is the purpose of snmp engine id local and remote in snmp v3? .... > default is also set... > > > > -- > > -- > > Taqdir Singh > > /Networks > > > > Do today what others won't, so you can live tomorrow as others can't > > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > > > This message and any attachments are intended only for the use of the > addressee and may contain information that is privileged and confidential. If > the reader of the message is not the intended recipient or an authorized > representative of the intended recipient, you are hereby notified that any > dissemination of this communication is strictly prohibited. If you have > received this communication in error, notify the sender immediately by return > email and delete the message and any attachments from your system. > > > > > > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com > > _______________________________________________ > For more information regarding industry leading CCIE Lab training, please > visit www.ipexpert.com
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