Troubleshooting
DNS Resolver
As mentioned under “Basic Operation” on page C-79, if the DNS entry config-
ured in the switch does not include the domain suffix for the desired target,
then you must use the target host’s fully qualified domain name with DNS-
compatible commands. For example, using the document server in Figure C-
27 as a target:
ProCurve# ping docservr.pubs.outdoors.com
10.28.229.219 is alive, time = 1 ms
ProCurve# traceroute docservr.pubs.outdoors.com
traceroute to 10.28.229.219
1 hop min, 30 hops max, 5 sec. timeout, 3 probes
1 10.28.192.2 1 ms 0 ms 0 ms
2 10.28.229.219 0 ms 0 ms 0 ms
Target’s Fully Qualified
Domain Name
Figure C-30. Example of Ping and Traceroute Execution When Only the DNS Server IP Address Is Configured
Viewing the Current DNS Configuration
The show ip command displays the current domain suffix and the IP address
of the highest priority DNS server configured on the switch, along with other
IP configuration information. If the switch configuration currently includes a
non-default (non-null) DNS entry, it will also appear in the show run command
output.
ProCurve# show ip
Internet (IP) Service
IP Routing : Disabled
Default Gateway : 10.28.192.2
Defau
lt TTL : 64
Arp Age : 20
Domai
n Suffix : pubs.outdoors.com
DNS Resolver Configuration in the
show ip co
mmand output
DNS server : 10.28.229.10
VLAN | IP Config IP Address Subnet Mask
-----
------- + ---------- --------------- ---------------
DEFAULT_VLAN | Manual 10.28.192.1 255.255.255.0
Figure C-31. Example of Viewing the Current DNS Configuration
C-84
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