Jan 28 2009
Reserved MPLS labels
A table showing some of the more important reserved MPLS labels. I’ll add more on these labels in a later post.
| Label Value | LDP | TDP |
| 0 | IPv4 Explicit Null | IPv4 Implicit Null |
| 1 | Router Alert | IPv4 Implicit Null |
| 2 | IPv6 Explicit Null | Router Alert |
| 3 | IPv4 Implicit Null | IPv6 Explicit Null |
