Flashcards
SCC 203 - BGP
Flashcards do conjunto (6)
- 1How do we prevent SYN-Flood attacks?SYN-Cookies
hash src IP, src Port and secret and send as initial sequence number
If attacker, no response but data has been stored - 2What is an autonomous system?Number of networks under common control
- 3What is eBGP and iBGP?eBGP - obtain subnet reachability information from neighbouring ASes
iBGP - propagate reachability information to all AS-internal routers - 4What are the BGP basics?BGP Session - two BGP routers exchange BGP messages over semi-permanent TCP connections
- 5How does BGP route selection work?Selects routes based on
1. Local preference value attribute: policy decision
2. Shortest AS-PATH
3. Closest NEXT-HOP router; hot potato routing - 6What is hot potato routing?Choose local gateway that has least intra-domain cost
Informações
- Descrição
- FlashCards sobre SCC 203 - BGP, criado por Mac Howarth em 08-05-2017.
- Criado por
- Mac Howarth · mai 2017
- Atualizado
- 8 mai 2017
- Visualizações
- 1
- Avaliação