John DeNisco | 06dcd45 | 2018-07-26 12:45:10 -0400 | [diff] [blame] | 1 | .. _l2: |
| 2 | |
| 3 | ======= |
| 4 | Layer 2 |
| 5 | ======= |
| 6 | |
Scott Keeler | d9668e7 | 2018-09-06 07:52:59 -0400 | [diff] [blame] | 7 | This section identifies the features associated with Layer 2: |
| 8 | |
John DeNisco | 06dcd45 | 2018-07-26 12:45:10 -0400 | [diff] [blame] | 9 | MAC Layer |
| 10 | --------- |
| 11 | * Ethernet |
| 12 | |
| 13 | Discovery |
| 14 | --------- |
| 15 | * Cisco Discovery Protocol |
| 16 | * Link Layer Discovery Protocol (LLDP) |
| 17 | |
| 18 | Link Layer Control Protocol |
| 19 | --------------------------- |
| 20 | * Bit Index Explicit Replication – Link Layer Multi-cast forwarding. |
| 21 | * Link Layer Control (LLC) - multiplex protocols over the MAC layer. |
| 22 | * Spatial Reuse Protocol (SRP) |
| 23 | * High-Level Data Link Control (HDLC) |
| 24 | * Logical link control (LLC) |
| 25 | * Link Agg Control Protocol (Active/Active, Active/Passive) – 18.04 |
| 26 | |
| 27 | Virtual Private Networks |
| 28 | ------------------------ |
| 29 | * MPLS |
| 30 | |
| 31 | * MPLS-o-Ethernet – Deep label stacks supported |
| 32 | |
| 33 | * Virtual Private LAN Service (VPLS) |
| 34 | * VLAN |
| 35 | * Q-in-Q |
| 36 | * Tag-rewrite (VTR) - push/pop/Translate (1:1,1:2, 2:1,2:2) |
| 37 | * Ethernet flow point Filtering |
| 38 | * Layer 2 Cross Connect |
| 39 | |
| 40 | Bridging |
| 41 | --------- |
| 42 | * Bridge Domains |
| 43 | * MAC Learning (50k addresses) |
| 44 | * Split-horizon group support |
| 45 | * Flooding |
| 46 | |
| 47 | ARP |
| 48 | --- |
| 49 | * Proxy |
| 50 | * Termination |
| 51 | * Bidirectional Forwarding Detection |
| 52 | |
| 53 | Integrated Routing and Bridging (IRB) |
| 54 | ------------------------------------- |
| 55 | * Flexibility to both route and switch between groups of ports. |
| 56 | * Bridged Virtual Interface (BVI) Support, allows traffic switched traffic to be routed. |
| 57 | |
| 58 | |