User guide

E
XTREME
W
ARE
S
OFTWARE
U
SER
G
UIDE
2-13
D
OMAIN
N
AME
S
ERVICE
C
LIENT
S
ERVICES
D
OMAIN
N
AME
S
ERVICE
C
LIENT
S
ERVICES
The Domain Name Service (DNS) client in ExtremeWare augments the following
commands to allow them to accept either IP addresses or host names:
• telnet
• download [bootrom | configuration | image]
• upload configuration
• ping
• traceroute
In addition, the
nslookup
utility can be used to return the IP address of a hostname.
Tab le 2-5 describes the commands used to configure DNS.
C
HECKING
B
ASIC
C
ONNECTIVITY
The switch offers the following commands for checking basic connectivity:
•
ping
•
traceroute
Table 2- 5: DNS Commands
Command Description
config dns-client add <ipaddress> Adds a DNS name server(s) to the
available server list for the DNS client. Up
to three name servers can be configured.
config dns-client default-domain <domain_name> Configures the domain that the DNS client
uses if a fully qualified domain name is not
entered. For example, if the default
domain is configured to be foo.com,
executing ping bar searches for
bar.foo.com.
config dns-client delete <ipaddress> Removes a DNS server.
nslookup <hostname> Displays the IP address of the requested
host.
show dns-client Displays the DNS configuration.