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Intel® NetStructure™ ZT 8101 10/100 Ethernet Switch User’s Manual 103
Using the Web Console
4. Click Apply.
To configure the static BOOTP relay setup
You must configure the BOOTP/DCHP relay agent so that it knows the servers’ IP addresses and
subnet names (IP interface names).
1. In the left panel, click
Switch Utilities.
2. In the top panel under Others, click
BOOTP/DHCP Relay Interface Configurations.
3. Click New and configure these fields.
4. Click
Apply.
The server is added to the BOOTP/DHCP Relay Setup list.
5. To add another server, repeat steps 2 and 3. Each IP interface can be configured for four
servers.
6. To remove a server, select the server and click
Delete.
DNS Relay
DNS relay enables the switch to act as a DNS cache or proxy and to forward DNS requests to the
DNS server only when required. Whether you enable DNS relay depends upon whether you want
to
• Save a DNS server or the linking WAN extraneous or repetitive traffic.
• Try to shorten the response time for a DNS request on a slow or long WAN.
• Change or control the IP response for a series of DNS requests.
• Control which servers are used for DNS.
When the switch receives packets destined for a DNS server and the requests are not statically
defined in the switch or previously cached, the switch forwards them to the servers as defined in
the following configuration. The switch also forwards packets from the DNS servers back to the
appropriate subnets.
BOOTP Hops Count Limit
Sets the maximum number of hops (routers) that the BOOTP
messages can be relayed through. If a packet's hop count is
more than the hop count limit, the packet is dropped. The
range is between 1—16 hops. The default value is 4.
BOOTP/DHCP Relay Time Threshold
Sets the minimum time (in seconds) that the switch will wait
before forwarding a BOOTREQUEST packet. If the value in
the seconds field of the packet is less than the relay time
threshold, the packet will be dropped. The range is between
0—9999 seconds. The default value is 0 seconds.
Field Description
Field Description
Interface Name
Specifies the subnet name (IP interface name) of the network that the
BOOTP or DHCP server is located on.
BOOTP/DHCP Server
Specifies the IP address of the BOOTP or DHCP server. Multiple servers
may be entered for a given subnet name (IP interface name).