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Replying to:
JamesW-AZ
1 Copper

DNS Issue with PC6248

Hello,

I am having an issue with name resolution on a PowerConnect 6248 specifically around the SNTP function.  I have taken the switch down to a very basic config; no VLANs , no routing, just basic IP settings for the switch.  I have tried several different NTP sources, all with the same result.  When configuring the time server as an IP address the time sync works just fine. When configuring the time server as an FQDN I see the following messages in the buffer log:

Failed to Resolve DNS address for Server (null)

This message repeats every 64 seconds which is my currently configured poll cycle.

Here are some details on the switch:

Management Standby Preconfig Plugged-in Switch Code
SW Status Status Model ID Model ID Status Version
--- ---------- --------- ------------- ------------- ------------- -----------
1 Mgmt Sw PCT6248 PCT6248 OK 3.3.16.1

Running-config:

console#show running-config
!Current Configuration:
!System Description "PowerConnect 6248, 3.3.16.1, VxWorks 6.5"
!System Software Version 3.3.16.1
!Cut-through mode is configured as disabled
!
configure
sntp unicast client enable
sntp server 0.us.pool.ntp.org
clock timezone -7 minutes 0 zone "ARIZ"
stack
member 1 2
exit
ip address x.x.x.x 255.255.255.0
ip default-gateway x.x.x.x
ip name-server 8.8.8.8
username "user" password --- level 15 encrypted
exit

console#

The fact that has me completely stumped is that when I ping the NTP server on the switch console, name resolution is successful and I receive good replies from the server.

Any suggestions are appreciated!

-James

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