Chapter 11. Metro Ethernet
Terms you'll need to understand:
MAN, SONET, DWDM, and CWDM
Transparent LAN (TLS) and directed VLAN (DVS) services
Q-in-Q tunneling and tag stacking
Ethernet over MPLS
Techniques you'll need to master:
Choosing a MAN service
Understanding the similarities and differences in access methods to MANs: access links, 802.1Q trunks, Q-in-Q, and EoMPLS
Understanding how Q-in-Q and EoMPLS tags frames
Understanding STP issues with redundant MAN connections
Until recently, most WAN and MAN (metropolitan area network) connections required you to use WAN connection services, such as Frame Relay, ATM, and dedicated leased lines. There are problems with deploying these solutions, though. First, you must use some type of Layer 3 device ...
Get BCMSN Exam Cram™ 2 (Exam Cram 642-811) now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
