This gives you 254 usable addresses (1-255).
In this example only the last byte / octet (the 0 in the subnet mask) can be changed on your current network. R2(config)#access-list 2 permit host 192.168.11.10Īllow traffic only from network 192.168.10.0 /24 to 192.168.30.12 port 80 -> on output interface of R2 (router closest to destination) permit access EXTENDEDĪllow only ICMP traffic from network 192.168.10.0 /24 to 192.168.30.12 -> on output interface of R1 (router closest to source) permit access R2(config-if)#ip access-group DISABLE_1 outĪllow traffic only from specific host 192.168.11.10 /24 to 192.168.31.12 -> on output interface of R2 (router closest to destination) permit access R2(config)#ip access-list standard DISABLE_1 As far as subnet address is concerned 239.0.0.0/8 just represents the ip addresse range to be used for private administrative purposes.
anyone who wants to receive the Multicast will join the certain group, you can also use 239.255.255.255 as your group address for multicast.
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