Cabletron Systems CyberSWITCH CSX500 Specifications download pdf (Page 120)

Configuration with QuickSET

104 QuickSET Configuration Guide

The following deﬁnitions explain the ﬁelds in the DHCP Settings conﬁguration window:

DHCP Server is Enabled — Check this box to allow the CyberSWITCH or HSIM to act as a

DHCP server.

DHCP IP Address Pool — A set of contiguous IP addresses that can be assigned by the

CyberSWITCH to devices requesting an IP address.

Default Gateway — Any packets that are not assigned to your subnet will be sent to this location.

Subnet Mask — The subnet mask for the default gateway (automatically set). The ﬁrmware is

limited to 255 possible addresses.

Lease Timeout — Used to designate the amount of time the IP addresses in the pool can be used

before they become invalid. Click on the pull-down menu to view a list of available leased timeout

intervals. Selecting Never allows you to keep your DHCP assigned IP address until the next time

you boot up your PC.

DNS Settings — Used to set up an IP address and a domain name for a Domain Name server.

WINS Servers — Windows Internet Name Service (WINS) resolves NETBIOS computer names

to IP addresses.

Server IP Address — Used to enter the IP address of your WINS server.

Priority IP Queuing

The Priority IP Queuing window (Figure 113 on the following page), displays after clicking on

the Priority Queuing button in the Advanced Routing screen. Priority IP Queuing lets you

prioritize packets generated from selected devices (speciﬁed by source IP Address), to ensure their

delivery under peak WAN trafﬁc loads.

The IP packets will not take precedence over other packets already queued on the WAN, but,

reserved, internal queue space will be made available to these packets to avoid discarding them

during oversubscribed peak loads. This feature is ideal for use with Inverse Multiplexing, to ensure

that attached routers, running the IP RIP (Routing Information Protocol), do not time out, and to

ensure that management packets get through.

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Cabletron Systems CyberSWITCH CSX500 Specifications Page 120