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102 MergePoint 5224/5240 Service Processor Manager Installer and Administrator Guide

2. Modify the name in the Host name field, if desired.

3. Enable or disable failover by selecting the desired option from the Failover pull

-down menu.

4. Enable DHCP, if desired, by making sure the DHCP checkbox is checked.

5. If DHCP is not enabled, configure a static IP address for an Ethernet port by performing the

following steps.

a. Disable DHCP by making sure the DHCP checkbox is not checked.

b. Enter or modify the IP address in the IP address field.

c. Enter or modify the netmask in the Network Mask field.

d. Enter or modify the IP address for a network gateway in the Gateway IP field.

NOTE: The IP address entered in the Gateway IP field is used for the SP manager’s default route.

e. Enter or modify a broadcast IP address in the Broadcast field.

f. Enter or modify the maximum transmission unit value for the Ethernet port in the

MTU field.

6. Configure DNS, if desired, by performing the following steps.

a. Enter or modify the IP address for a primary DNS server in the Primary DNS field.

b. Enter or modify the IP address for an optional secondary DNS server in the Secondary

DNS field.

c. Enter or modify an existing domainname in the Domain name field.

7. Click Save and apply changes.

Configuring Firewall Rules for Packet Filtering

By selecting the Network - Firewall menu option, the administrative user can configure

packet filtering.

The Network

- Firewall screen provides an interface to iptables. Six built-in chains are

pre

-configured with hidden rules. Using this screen, an administrative user can define rules for the

built

-in chains. Once rules have been administratively defined, they can be edited or deleted.

The top three chains shown on the screen are defined in the iptables filter table and the bottom three

chains are defined in the iptables nat table. An Add new <table_name> <chain_name > rule button

appears under the entry for each chain, for example the Add new NAT prerouting rule button

appears under the entry for the nat PREROUTING chain.

Administrative users may want to add rules to the default chains to suit their environment and their

needs. Whenever a rule is added, a number is assigned automatically, starting with 0. An Edit and a

Delete button appear next to the entry for each administrator

-defined rule.

To add a new packet filtering (firewall) rule:

1. Select the Network

- Firewall menu option.

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Cyclades AlterPath BladeManager Bedienerhandbuch Seite 116