12-08-2008
Determining IP address of NFS server on client
Hi. We use an Isilon cluster system to provide our NAS. The Isilon uses a round-robin DNS setup to spread mount requests across the many nodes of the cluster. When a node needs work, the filesystems that are mounted to it need to be moved to other nodes prior to shutting the node down. I haven't been able to determine a way to identify what IP address a client is mounting to. Output from df or the mount command simply report the DNS name for the cluster, the that address that was selected. Does anyone know of a way on a Solaris client to determine what IP address a mount point is using?
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LEARN ABOUT CENTOS
radtest
RADTEST(1) FreeRADIUS Daemon RADTEST(1)
NAME
radtest - send packets to a RADIUS server, show reply
SYNOPSIS
radtest [-d raddb_directory] [-t pap/chap/mschap] [-x ] [-4 ] [-6 ] user password radius-server nas-port-number secret [ppphint] [nasname]
DESCRIPTION
radtest is a frontend to radclient(1). It generates a list of attribute/value pairs based on the command line arguments, and feeds these
into radclient. It's a fast and convenient way to test a radius server.
OPTIONS
-d raddb_directory
The directory that contains the RADIUS dictionary files. Defaults to /etc/raddb.
-t pap/chap/mschap/eap-md5
Choose the authentiction method to use. e.g. "-t pap", "-t chap", "-t mschap", or "-t eap-md5",. Defaults to "pap". Using EAP-MD5
requires that the "radeapclient" program is installed.
-x Enables debugging output for the RADIUS client.
-4 Use NAS-IP-Address for the NAS address (default)
-6 Use NAS-IPv6-Address for the NAS address (default)
user Username to send.
password
Password of the user.
radius-server
Hostname or IP address of the radius server. Optionally, you may specify a port by appending :port
nas-port-number
The value of the NAS-Port attribute. Is an integer between 0 and 2^31, and it really doesn't matter what you put here. 10 will do
fine.
secret The shared secret for this client.
ppphint
If you put an integer > 0 here, radtest (or actually radclient) will add the attribute Framed-Protocol = PPP to the request packet.
nasname
If present, this will be resolved to an IP address and added to the request packet as the NAS-IP-Address attribute. If you don't
specify it, the local hostname of the system will be used.
SEE ALSO
radiusd(8), radclient(1).
AUTHOR
Miquel van Smoorenburg, miquels@cistron.nl.
5 April 2010 RADTEST(1)