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IPV6 addressing plan exercise-1

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IPV6 addressing plan exercise-1

  1. 1. Exercise description:You are a small colocation and broadband provider and you are an LIR. You received a /32 allocation: 2001:DB8::/32You currently have 3000 DSL customers and 1000 colocation customers. 500 colocation customers are connectedon each switch. Also, you provide e-mail, www, proxy, usenet, VoIP and DNS services to them. There is no significantgrowth expected in the number of customers or expansion planned for your network.Step 1: Assign the /48 per POPStep 2: Decide the size of the assignments per deviceStep 3: Decide the size of the customer assignmentsStep 4: Fill in the addressing plan accordingly POP3Some things to consider: DMZ • The most important goal with IPv6 is aggregation. • You can assign a /48 per POP without sending a request to the RIPE NCC. • For your most important connections/equipment, use the easiest to remember addresses. (loopbacks etc.) • For administrative ease (DNS and your mind), it is recommended you assign on 4-bit boundary: guest Prefix Number of /64 subnets vlan cr1.office /48 65.536 NOC /52 4096 vlan /56 256 server vlan /60 16 /64 1 POP1 POP2 mail sw 1 colo 1 www cr1.pop1 cr1.pop2 proxy customer vlans usenet voip cr2.pop1 cr2.pop2 sw 2 colo 2 DNS DSL customers AR2
  2. 2. Your prefix: 2001:DB8::/32 POP1 Infrastructure loopback addresses mail server vlan www server vlan proxy server vlan usenet server vlan VoIP server vlan DNS server vlan cr1.pop1 cr2.pop1 sw1 sw2 POP2 cr1.pop2 cr2.pop2 colo1 colo2 POP3 cr1.office DMZ office lan guest vlan NOC vlan server vlan Customer Assignments DSL Customers (3000) Colocation Customers (1000)

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