This stuff is covered in gory detail in the Caslow book - I wouldn't have completed my CCNP/CCDP with that.
Rich wrote: > > Could someone help a CCNP student who is really confused? I am currently > studying for the BSCI Routing Exam using the Sybex Books on a home Lab of 4 > 2500's and 1 2600. It has been working great and I have always been very > pleased with the Sybex Series. Unfortunately they have never covered > Subinterfaces well enough and many of the Labs In the CCNP BSCI book are > using > them without much explanation. They have various Labs that use OSPF, IS-IS, > BGP etc. to route IP over Serial Subinterfaces on what I see as just a > "Plain > old LAN". All they do is show the IP Addresses and Networks already > arranged, > some on Serial Subinterfaces, and go right into the Routing Protocol > configurations. They don't say anything at this point about using a Frame > Relay, ATM, IPX, or ISL for VLAN's on them in this book. Those topics are > covered in the Remote Access and Switching Books. My problem is: when I > set > up Subinterfaces on the Serial Ports with IP Addresses, set the clocking, > and > then bring up the interfaces, they all show as Interface Up and Line > Protocol > up - But I just can't seem to Ping any of the IP's on the Serial ports if > they, > or the other end they are attached to, are Subinterfaces. If I can't Ping I > sure can't route right? When I stick to regular physical interfaces, > everything works great. Am I missing something important? If any of you > Cisco > Experts out there could offer any suggestions, I would hugely appreciate > it. > I'm kind of stuck on Stall right now and can't move on to any of the other > Labs > until I resolve this. Thanks. > > Rich. > **Please support GroupStudy by purchasing from the GroupStudy Store: > http://shop.groupstudy.com > FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html -- mailto:[EMAIL PROTECTED] phone:402-301-9555 "After all that I've been through, you're the only one who matters, you never left me in the dark here on my own" - Widespread Panic Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=74907&t=74907 -------------------------------------------------- **Please support GroupStudy by purchasing from the GroupStudy Store: http://shop.groupstudy.com FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html