44 Engineering guidelines• Each site should select the most convenient option, taking into accountthe physical LAN endpoints available near the ICB card.• When there are multiple ICBs (that is, more than three) and the BUI isused frequently, the BUI traffic can load the E-LAN, so it may be betterto connect the cards to the C-LAN.• The ICB has a broadcast-storm protection mechanism: it shuts offthe LAN port (temporarily) when traffic is too heavy. Nortel Networksrecommends that the ICB be put in a "quiet" LAN segment to get abetter response time.Summary of LAN installation informationUse the following steps when installing and configuring the LAN:Step Action1 Determine whether the ICB is to be accessed from the World WideWeb.2 If yes, coordinate the firewall configuration with your IS groupaccording to Table 3 "Firewall access permissions" (page 41).3 Determine what is the physical connection point of the ICB. Notethese requirements: 10Base-T or 100Base-T, full-duplex.4 Get the following ICB IP parameters from your IS group: IP address,gateway address, and subnet mask.5 Get the Mail Server IP address from your IS group. Confirm that theICB is allowed to access this server by SMTP.—End—Testing:Use the following steps to test the LAN configuration:Step Action1 After the ICB is installed and the IP parameters are configured, try to"ping" from any host in the C-LAN to the ICB or from the ICB to ahost on the C-LAN.2 In the case of World Wide Web access, try accessing the ICB from abrowser (HTTP access).—End—Nortel Communication Server 1000/Communication Server 2100 Solution/Meridian SL-100Nortel Integrated Conference Bridge: Service Implementation FundamentalsNN43001-558/555-4001-135 01.02 StandardICB Release 4 20 June 2007Copyright © 2007, Nortel Networks.
