Consider the extended LAN connected using bridges $B1$ and $B2$ in Fig. $4-33($b$).$ Sup$-($a$)$

$($b$)$

Figure $4-33.($a$)$ Bridge connecting two multidrop LANs. $($b$)$ Bridges $($and a

hub$)$ connecting seven point$-$to$-$point stations.

pose the hash tables in the two bridges are empty. List all ports on which a packet will

be forwarded for the following sequence of data transmissions:

CHAP. $4$

PROBLEMS

$($a$)$ A sends a packet to $C.$

$($b$)E$ sends a packet to $F.$

$($c$)F$ sends a packet to $E.$

$($d$)G$ sends a packet to $E.$

$($e$)D$ sends a packet to $A.$

$($f$)B$ sends a packet to $F.$