ENC3250 Solutions pg 58

ENC3250 Solutions pg 58 - 12.2 a. IP datagram arriving at...

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Unformatted text preview: 12.2 a. IP datagram arriving at R1 from Internet (using header formats of Figure 12.7a): IP-H DA = IPDA(R1) IP-H DA = IPDA(HA-A) TCP-H Data MAC frame leaving R1 onto LAN X: MAC-H DA = MACDA(A-X) LLC-H DSAP = DSAP (A) IP-H DA = IPDA(HA-A) TCP-H Data b. IP datagram arriving at R1 from Internet (using header formats of Figure 12.7b): IP-H DA = IPDA(R1) IP-H DA = IPDA(HA-A) TCP-H Data MAC frame leaving R1 onto LAN X: MAC-H DA = MACDA(A-X) LLC-H DSAP = DSAP (A) IP-H DA = IPDA(HA-A) TCP-H Data c. IP datagram arriving at R1 from Internet (using header formats of Figure 12.7a): IP-H DA = IPDA(A-X) IP-H DA = IPDA(HA-A) TCP-H Data MAC frame leaving R1 onto LAN X: MAC-H DA = MACDA(A-X) LLC-H DSAP = DSAP (A) IP-H DA = IPDA(A-X) IP-H DA = IPDA(HA-A) TCP-H Data d. IP datagram arriving at R1 from Internet (using header formats of Figure 12.7b): IP-H DA = IPDA(A-X) IP-H DA = IPDA(HA-A) TCP-H Data MAC frame leaving R1 onto LAN X: MAC-H DA = MACDA(A-X) LLC-H DSAP = DSAP (A) IP-H DA = IPDA(A-X) IP-H DA = IPDA(HA-A) TCP-H Data 12.3 Home address, care-of address, lifetime. 12.4 Home address, home agent address, MAC address, lifetime. 12.5 The change cipher spec protocol exists to signal transitions in ciphering strategies, and can be sent independently of the complete handshake protocol exchange. -58- ...
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This note was uploaded on 02/20/2012 for the course ENC 3250 taught by Professor Dr.timothycerner during the Fall '11 term at UNF.

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