Polycom HDX 4000 Series Administrator's Manual page 38

Polycom, Inc.
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Setting Description
DNS Servers Displays the DNS servers currently assigned to the system.
If the system does not automatically obtain a DNS server
address, enter up to four DNS servers here.
• IPv6: You can specify IPv6 DNS server addresses for IP
addresses entered manually or obtained automatically
(in the case of a system on a hybrid network that obtains
IPv4 DNS server addresses via DHCPv4).
• IPv4: You can specify IPv4 DNS server addresses only
when the IPv4 address is entered manually. When the
IPv4 address is obtained automatically, the DNS Server
addresses are also obtained automatically.
Changing this setting causes the system to restart.
LAN Speed Specify the LAN speed to use. Note that the speed you
choose must be supported by the switch.
Choose Auto to have the network switch negotiate the
speed automatically. Choosing Auto automatically sets
Duplex Mode to Auto. If you choose 10 Mbps, 100 Mbps,
or 1000 Mbps you must set Duplex Mode to Half or Full.
Note: Polycom does not support Auto for the Polycom HDX
system only or the switch only; the settings for both must be
the same.
Changing this setting causes the system to restart.
Duplex Mode Specify the duplex mode to use. Note that the Duplex mode
you choose must be supported by the switch.
Choose Auto to have the network switch negotiate the
Duplex mode automatically. Choosing Auto automatically
sets LAN Speed to Auto.
The duplex settings for both the Polycom HDX system and
the switch must be the same. Polycom recommends that you
set both to Auto. IEEE802.3 also recommends that you use
Autonegotiation to avoid network issues.
Changing this setting causes the system to restart.
Enable Specifies whether EAP/802.1X network access is enabled.
EAP/802.1X Polycom HDX systems support the following authentication
protocols:
• EAP-MD5
• EAP-PEAPv0 (MSCHAPv2)
• EAP-TTLS
• EAP-TLS
Identity Specifies the system's identity used for 802.1X
authentication. This setting is available only when
EAP/802.1X is enabled. The field cannot be blank.
Password Specifies the system's password used for some 802.1X
authentication.
Networks
2–5