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1. Red Hat
Dear members & admins
I have 3 RHEL 5.7 servers. So I decided to upgrade them to latest version. 2 of them successfully upgraded to RHEL 5.11 and last one is the problem.
When I hit rhn_register command server shows following info :
#rhn_register
There was an SSL error: (104, 'Connection... (2 Replies)
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2. IP Networking
Let's say I have a home network containing a server that acts as the resident gateway and serves dhcp and dns requests. Laptop A is frequently connected and disconnected from the network as it is used as a travel computer. Is there a secure way to make sure that whenever laptop A is connected to... (3 Replies)
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3. Solaris
can anyone tell me how can i configure network in unix with dynamic ip on my DHCP server?? (7 Replies)
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4. IP Networking
Hi,
I have a PC running Solaris 10 (hostname MARKUNIX) and a laptop running WinXP (hostname MARK-LAPTOP).
Both are connected to broadband via a router. IP addresses for each are determined via DHCP (192.168.1.nn) and I do not leave either on, 24x7.
I am running Oracle on MARKUNIX and... (1 Reply)
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5. IP Networking
I have a Realtek 8139 interface in one of my machines and it will not connect to the network. /etc/rc.conf contains ifconfig_rl0="DHCP" and "rl0" was obtained from a dmesg. A network interface restart yields the following:
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Stopping network: lo0 rl0 fwe0 plip0.
rl0: no... (3 Replies)
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6. UNIX for Advanced & Expert Users
Hi All,
I have an issue related to printing on a printer at DHCP network.
We have n numbers of printers which can be attached to n numbers of telnet clients of a server. Telnet sessions can be obtained from any machine and any available printer will be attached to that machine. Our aim is to... (2 Replies)
Discussion started by: pankajgupta
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dhcp(5) Standards, Environments, and Macros dhcp(5)
NAME
dhcp - Dynamic Host Configuration Protocol
DESCRIPTION
Dynamic Host Configuration Protocol (DHCP) enables host systems in a TCP/IP network to be configured automatically for the network as they
boot. DHCP uses a client/server mechanism: servers store configuration information for clients, and provide that information upon a
client's request. The information can include the client's IP address and information about network services available to the client.
This manual page provides a brief summary of the Solaris DHCP implementation.
Solaris DHCP Client
The Solaris DHCP client is implemented as background daemon, dhcpagent(1M).
For IPv4, this daemon is started automatically during bootup if there exists at least one dhcp.interface file in /etc. Only interfaces with
a corresponding /etc/dhcp.interface file are automatically configured during boot.
For IPv6, this daemon is started automatically when commanded by in.ndpd (based on IPv6 Routing Advertisement messages). No
/etc/dhcp.interface file is necessary, but such a file can be used to specify an interface as "primary," provided that IPv4 DHCP is also in
use.
Network parameters needed for system configuration during bootup are extracted from the information received by the daemon through the use
of the dhcpinfo(1) command. The daemon's default behavior can be altered by changing the tunables in the /etc/default/dhcpagent file. The
daemon is controlled by the ifconfig(1M) utility. Check the status of the daemon using the netstat(1M) and ifconfig(1M) commands.
Solaris DHCP Server
The Solaris DHCP server is implemented as a background daemon, in.dhcpd(1M). This daemon can deliver network configuration information to
either BOOTP or DHCP clients. The Solaris DHCP service can be managed using the dhcpmgr(1M) GUI or the command line utilities dhcpcon-
fig(1M), dhtadm(1M), and pntadm(1M).
DHCP Configuration Tables
The Solaris DHCP server stores client configuration information in the following two types of tables:
dhcptab tables Contain macros and options (also known as symbols), used to construct a package of configuration information to send
to each DHCP client. There exists only one dhcptab for the DHCP service. The dhcptab(4) can be viewed and modified
using the dhtadm(1M) command or dhcpmgr(1M) graphical utility. See dhcptab(4) for more information about the syntax
of dhcptab records. See dhcp_inittab(4) for more information about the DHCP options and symbols.
DHCP network tables DHCP network tables, which contain mappings of client IDs to IP addresses and parameters associated with those
addresses. Network tables are named with the IP address of the network, and can be created, viewed, and modified
using the pntadm command or dhcpmgr graphical utility. See dhcp_network(4) for more information about network
tables.
SEE ALSO
dhcpinfo(1), dhcpagent(1M), dhcpconfig(1M), dhcpmgr(1M), dhtadm(1M), ifconfig(1M), in.dhcpd(1M), in.ndpd(1M), netstat(1M), pntadm(1M), sys-
log(3C), dhcp_network(4), dhcptab(4), dhcpsvc.conf(4), dhcp_inittab(4), ndpd.conf(4), dhcp_modules(5)
Solaris DHCP Service Developer's Guide
Alexander, S., and R. Droms. RFC 2132, DHCP Options and BOOTP Vendor Extensions. Silicon Graphics, Inc. Bucknell University. March 1997.
Droms, R. RFC 1534, Interoperation Between DHCP and BOOTP. Bucknell University. October 1993.
Droms, R. RFC 2131, Dynamic Host Configuration Protocol. Bucknell University. March 1997.
Wimer, W. RFC 1542, Clarifications and Extensions for the Bootstrap Protocol. Carnegie Mellon University. October 1993.
Lemon, T. and B. Sommerfeld. RFC 4361, Node-specific Client Identifiers for Dynamic Host Configuration Protocol Version Four (DHCPv4).
Nominum and Sun Microsystems. February 2006.
Droms, R. RFC 3315, Dynamic Host Configuration Protocol for IPv6 (DHCPv6). Cisco Systems. July 2003.
SunOS 5.11 5 Jan 2007 dhcp(5)