03-14-2014
Ok so you are doing open network connection,
I rather say use private IP between HMC and Manage system (ie.e use DHCP)
In the HMC go to HMC management --> change network settings --> LAN Adapter (Mostly people use eth0 for private IP, I don't know how you configured)--> Details --> (Select Private) - Autodetection -- DHCMP Server (enable) -- OK.
Do the connectivity test.
Also, if your HMC and VIOS are NOT on same VLAN you don't even have to worry about changing the IP of HMC, you use public IP to get into HMC.
Also, make sure to ask if network is tagged, if so you have to change the PVID as per the new subnet.
If you there is No VLAN Tagging then the setup is as you have now.
Hope this helps.
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bprelay(8) System Manager's Manual bprelay(8)
NAME
bprelay - BOOTP relay agent
SYNOPSIS
/usr/sbin/bprelay [-f] [-d n] [-h hopcount] [-i interface,interface...] [-t minutes] [-w seconds] server...
OPTIONS
Foreground mode. In this mode, bprelay does not run as a daemon. All messages are written to stdout and stderr, although warnings and
errors are still sent to syslog(3). Without this option, bprelay listens on all interfaces on which the underlying protocol supports
broadcasting. With this option, bprelay listens only to those interfaces specified. Any non-existent or invalid interface name are
ignored. Sets debug level to the numeric value n. Larger values of n provides more debugging information. Instructs bprelay to not for-
ward packets if the value of the hops field in the BOOTP packet exceeds hopcount. Instructs bprelay to terminate if minutes have passed
without any packets being received. This option is only honored if bprelay was started from inetd(8). Instructs bprelay to not forward
packets until the secs field in the BOOTP packet header exceeds this value.
DESCRIPTION
The bprelay daemon forwards DHCP or BOOTP packets to the specified list of servers (server). Servers may be identified either by their IP
addresses or by their names. The bprelay agent normally runs as a daemon process, and may be started either from the shell command line
interface or by inetd(8).
The purpose of bprelay is to provide the same service as that found in router hardware, but to run on UNIX workstations. The bprelay agent
listens for DHCP/BOOTP packets on each of the interfaces specified in the command line, and relays each packet to the servers specified.
As a rule, bprelay forwards each and every packet to every server specified, but it omits servers whose IP address is found to be on the
same IP network as the receiving interface since those servers will presumably hear the original broadcast.
RESTRICTIONS
Non-standard subnet masks for all networks administered by bprelay, must be available either through /etc/netmasks or NIS.
SEE ALSO
Commands: inetd(8), joinc(8)
System calls: syslog(3)
RFC1497, RFC1542, RFC1534
bprelay(8)