用Jumpstart安装client时，报错如下：
{0} ok boot net - install nowin
Boot device: /pci@0/pci@0/pci@1/pci@0/pci@2/network@0 File and args: - install nowin
1000 Mbps full duplex Link up
Requesting Internet Address for 0:14:4f:a0:89:62
Requesting Internet Address for 0:14:4f:a0:89:62
1000 Mbps full duplex Link up
SunOS Release 5.10 Version Generic_147440-01 64-bit
Copyright (c) 1983, 2011, Oracle and/or its affiliates. All rights reserved.
Configuring devices.
Using RPC Bootparams for network configuration information.
Attempting to configure interface e1000g3...
Skipped interface e1000g3
Attempting to configure interface e1000g2...
Skipped interface e1000g2
Attempting to configure interface e1000g1...
Skipped interface e1000g1
Attempting to configure interface e1000g0...
Configured interface e1000g0
USB keyboard
Setting up Java. Please wait...
Serial console, reverting to text install
Beginning system identification...
Searching for configuration file(s)...
Using sysid configuration file 10.0.2.71:/jumpstart/Solaris10U10_SPARC/config/sysidcfg
Search complete.
Discovering additional network configuration...
Completing system identification...
Starting remote procedure call (RPC) services: done.
System identification complete.
Starting Solaris installation program...
Searching for JumpStart directory...
not found
Warning: Could not find matching rule in rules.ok
Press the return key for an interactive Solaris install program...
此处的报错Warning: Could not find matching rule in rules.ok并不一定是表示rule.ok文件不正确, 实际上是Jumpstart client找不到Jumpstart目录（Searching for JumpStart directory... not found ）。经过检查发现JumpStart Server的NFS配置是正确的，导致此问题的原因是Jumpstart Server的子网掩码与sysidcfg文件中配置的Jumpstart Client的子网掩码不一致造成的。修改了sysidcfg中子网掩码后，Jumpstart安装正常。