I am checking into various rack rental vendors to work on CCIE lab. Some have a combo of either two 3550s and two 3650s while another may have two 3560s and two 3750s. Can anybody tell me if there is going to be any difference when it comes to workin...

To establish an administrative scope boundary, is there any difference between using the following on all external interfaces: ip multicast boundary 1access-list 1 deny 239.0.0.0 0.255.255.255access-list 1 permit anyas to just using the same deny sta...

Q1. Am I understanding the concept correctly? The IP packet is encpsulated by PPP and the frame makes up the entire SPE. In otherwords, there are no virtual circuits channilized within the SPE? Q2. What devices (MSPP ?) other than routers would have ...

If I wanted to simply build LSPs (assume no TE nor any plans for TE in the future), which signalling protocol would be the best to use (assume vendor neutral)? Would appreciate a rational as to why you would chose one over the other.

OK, I am an IP guy and trying to get some knowledge on SONET and DWDM. I have a basic question that probably seems dumb, but is a fundamental issue for me that I have not figured out or read about yet. I understand that lower-speed links (Ethernet, A...