1 -
Malformed Attribute List.
2 -
Unrecognized Well-known Attribute.
3 -
Missing Well-known Attribute.
4 -
Attribute Flags Error.
5 -
Attribute Length Error.
6 -
Invalid ORIGIN Attribute
7 - AS
Routing Loop.
8 -
Invalid NEXT_HOP Attribute.
9 -
Optional Attribute Error.
10 -
Invalid Network Field.
11 -
Malformed AS_PATH.