The PCs and IP Phones will need IP Addresses. Configure the DHCP Pools on both R1 and R2 routers so the routers will be able to teach IP information to PCs and IP Phones.
On R1:
R1(config)# ip dhcp pool DATA
R1(dhcp-config)#network 10.10.0.0 255.255.255.0
R1(dhcp-config)#default-router 10.10.0.1
R1(config)# ip dhcp pool VOICE
R1(dhcp-config)#network 10.15.0.0 255.255.255.0
R1(dhcp-config)#default-router 10.15.0.1
R1(dhcp-config)#option 150 ip 10.15.0.1
Note: The option ip 150 command is used to provide the ip address of the TFTP server.
On R2:
R2(config)# ip dhcp pool DATA
R2(dhcp-config)#network 10.20.0.0 255.255.255.0
R2(dhcp-config)#default-router 10.20.0.1
R2(config)# ip dhcp pool VOICE
R2(dhcp-config)#network 10.25.0.0 255.255.255.0
R2(dhcp-config)#default-router 10.25.0.1
R2(dhcp-config)#option 150 ip 10.25.0.1
To exclude the routers ip address from the pool:
On R1:
R1(config)# ip dhcp excluded-address 10.10.0.1
R1(config)# ip dhcp excluded-address 10.15.0.1
On R2:
R2(config)# ip dhcp excluded-address 10.20.0.1
R2(config)# ip dhcp excluded-address 10.25.0.1
Add the networks in the routing protocol.
On R1:
R1(config)# router eigrp 1
R1(config-router)#network 10.10.0.0 255.255.255.0
R1(config-router)#network 10.15.0.0 255.255.255.0
R1(config-router)# no auto-summary
On R2:
R2(config)# router eigrp 1
R2(config-router)#network 10.20.0.0 255.255.255.0
R2(config-router)#network 10.25.0.0 255.255.255.0
R2(config-router)# no auto-summary
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