Network Devices; Network Assessment - Nortel BCM50 Configuration Manual

466 Chapter 61 Data network prerequisites checklist

Network devices

Table 98 contains questions about devices on the network such as firewalls, NAT devices, and
DHCP servers.
• If the network uses public IP addresses, complete 2.d.
• If the network uses private IP addresses, complete 2.e. to 2.f.
Table 98 Network device checklist
Prerequisites
2.a Is the network using DHCP?
2.b If so, are you using the DHCP server on the BCM Router?
2.c Is the network using private IP addresses?
2.d Are there enough public IP addresses to accommodate all IP telephones and the BCM?
2.e Does the system have a firewall/NAT device, or will the BCM be used as a firewall/NAT
device?
2.f If the BCM50a/BCM50e is to be used as a firewall/NAT device, do the firewall rules fit
within the 10 input rules and the 10 output rules that the BCM provides?

Network assessment

Answer the questions in
and that existing network services are not adversely affected.
Table 99 Network assessment
Prerequisites
3.a Has a network assessment been completed?
3.b Has the number of switch ports available and used in the LAN infrastructure been
calculated?
3.c Does the switch use VLANs? If so, get the VLAN port number and ID.
3.d Have the used and available IP addresses for each LAN segment been calculated?
3.e Has DHCP usage and location been recorded?
3.f Has the speed and configuration of the LAN been calculated?
3.g Has the estimated latency values between network locations been calculated?
3.h Have the Bandwidth/CIR utilization values for all WAN links been calculated?
3.i Has the quality of service availability on the network been calculated?
NN40020-603 NN40020-603
Table 99 to ensure that the network is capable of handling IP telephony
Yes No
Yes No