November 1999
Intermediate to advanced
576 pages
15h 3m
English
book
Large-Scale IP Network Solutions (CCIE Professional Development)
by Khalid Raza - CCIE, Mark Turner
Content preview from Large-Scale IP Network Solutions (CCIE Professional Development)
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BGP's Finite State Machine
The finite-state machine associated with BGP is shown in Figure 11-15.
Figure 11-15. BGP's Finite State Machine
Note
Other BGP literature describes states 1 through 6 only. States -1 (prefix exceeded) and 0 (administrative shutdown) are specific to the Cisco implementation. To avoid confusion with state numbers used in other literature, in this book these Cisco specific states are numbered -1 and 0, respectively.
Eight possible states exist in BGP's finite-state machine:
–1 Prefix exceeded
If the neighbor { ip-address | peer-group-name } maximum-prefix maximum BGP router configuration command is used, and if ...
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