[Internet-e-architetture-di-rete] esercizio routing statico

[Antonio Prado]

On 4/25/16 6:23 PM, Mauro Angiolillo via Internet-e-architetture-di-rete
wrote:
> Building A : 192.168.0.0/16
> Building B : 172.16.0.0/13
> Buinding C : 172.24.0.0/13

ok

[apprezzo il desiderio di aggregare, ma l'aggregazione va contemperata
con la conservazione dello spazio.
quindi osservo che:
su A allochi una /16 ma assegni solo 4 /24 a fronte di soli 310 host
su B allochi una /13 e assegni 4 /16 a fronte di soli 760 host
su C allochi una /13 e assegni 4 /16 a fronte di soli 9.010 host]

ora correggo solo building A, ma gli stessi suggerimenti valgono anche
per B e C
> ==============================================================
> Building A [ 192.168.0.0/16 ]
> ==============================================================
> 
> Router RA0
> ----------
> interface a  : 192.168.10.254/24
> interface b  : 10.1.0.2/30
> 
> Tabella di routing
> ------------------
> Destination     Gateway         Genmask         Iface
> 192.168.10.0    0.0.0.0         255.255.255.0   a
> 192.168.0.0	10.1.0.1	255.255.0.0	b
> 172.16.0.0	10.1.0.1	255.248.0.0	b		

10.1.0.0	0.0.0.0		255.255.255.252	b

> Router RA1
> ----------
> interface a  : 192.168.11.254/24
> interface b  : 10.1.1.2/30
> 
> Tabella di routing
> ------------------
> Destination     Gateway         Genmask         Iface
> 192.168.11.0    0.0.0.0         255.255.255.0   a
> 192.168.0.0	10.1.1.1	255.255.0.0	b
> 172.16.0.0	10.1.1.1	255.248.0.0	b		

10.1.1.0	0.0.0.0		255.255.255.252	b

> Router RA2
> ----------
> interface a  : 192.168.12.254/24
> interface b  : 10.1.2.2/30
> 
> Tabella di routing
> ------------------
> Destination     Gateway         Genmask         Iface
> 192.168.12.0    0.0.0.0         255.255.255.0   a
> 192.168.0.0	10.1.2.1	255.255.0.0	b
> 172.16.0.0	10.1.2.1	255.248.0.0	b

10.1.2.0	0.0.0.0		255.255.255.252	b

> Router RA
> ---------
> interface a  : 192.168.20.254/24
> interface w  : 10.1.0.1/30
> interface x  : 10.1.1.1/30
> interface y  : 10.1.2.1/30
> interface z1 : 10.11.0.1/30
> interface z2 : 10.12.0.1/30
> 
> Tabella di routing
> ------------------
> Destination     Gateway         Genmask         Iface
> 192.168.20.0    0.0.0.0         255.255.255.0   a
> 192.168.10.0	10.1.0.2	255.255.255.0	w
> 192.168.11.0	10.1.1.2	255.255.255.0	x
> 192.168.12.0	10.1.2.2	255.255.255.0	y
> 172.16.0.0	10.11.0.2	255.248.0.0	z1  (da Building A -> Building B)

10.1.0.0	0.0.0.0		255.255.255.252	w
10.1.1.0	0.0.0.0		255.255.255.252	x
10.1.2.0	0.0.0.0		255.255.255.252	y
10.11.0.0	0.0.0.0		255.255.255.252 z1
10.12.0.0	0.0.0.0		255.255.255.252 z2

> 
> ==============================================================
> Building B [ 172.16.0.0/13 ]
> ==============================================================
> 
> ==============================================================
> Building C [ 172.24.0.0/13 ]
> ==============================================================


bravissimo, grazie
--
antonio

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