also the sites of the vendor equipement is good place to start with troubleshooting.
""Jeff Anderson"" a icrit dans le message de news: [EMAIL PROTECTED] > Hello All, > > I'm hoping to get some input on which books are good to strengthen my > understanding of the telco and their equipment. > > Currently I work in the NOC of my company. We primarily do 1st level > troubleshooting of our network equipment and T1s. Primarily we have been > running point-to-point T1s from our home office our to hub locations > which > then have small branch offices connect via point-to-point fractional > T1s. > The design group has started implementing DS3s at the hub locations > utilizing ATM back to our home office. The small branch sites now > connect > to new hub locations via Frame-Relay (the telco is providing us > frame-to-atm > conversions). Since I'm pretty new to Frame-Relay I'm trying to get a > better understanding of exactly what is happening. I understand the > basics > of Frame-Relay, but I'm looking for a more in-depth discussion of these > types > of scenarios. > > A good example is currently we have a site that is bouncing 3/4 times a > day. > The CSU/DSU on our side shows no errored seconds. The telco is telling > me > that the DAX (hope that is right for digital cross-connects), is showing > no > errors. However, they say they are seeing CRC errors, LMI misalignment > errors, LMI timeouts, etc., on their Frame-Relay switch. To me, since we > aren't seeing errors on their send pair and they aren't seeing errors on > our > send pair (their DAX with no errors), then the problem exists between > their > 1st DAX and their Frame-Relay switch. Now, I could be completely wrong > and > that is why I'm looking for more information - especially since I > believe we > will be seeing much more of these types of implementations at my > organization. > > So, any books/sites/etc. that you could recommend for me to educate > myself > on telco inner working and/or DS3/ATM troubleshooting, explanations, > etc. > would be greatly appreciated. I currently have no books referencing any > of > these technologies (except for the Larscom CSU/DSU manuals - which > aren't > too bad - and a ton of Cisco books geared more toward > routing/switching/security). I googled for a couple of hours tonight > w/out much luck. I also found about 20 books on Amazon, but I'm not sure > if > they really address my needs. So, again any input sincerely appreciated. > > Jeff > > P.S. I just wanted to thank everyone on this list - I've been a lurker > for a > couple of years and have learned tons form you folks! Got my CCNP and > now > working toward my CCIE. Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=65172&t=65156 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
