Ignite-UX

DHCP requests growing syslog rapidly

 
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david shetler
Occasional Advisor

DHCP requests growing syslog rapidly

I copied /dev/null over syslog.log last night and it is already 74623114bytes in length. Syslog is being flooded with dhcp requests from quite a few hardware addresses. Typical error msg looks like:

Aug 10 14:56:14 hostname bootpd[748]: Received DHCPDISCOVER creating DHCPOFFER. Request data
: ha = 000XXXXXXX, req IP not sent, ciaddr 0.0.0.0, giaddr 0.0.0.0, broadcast reply on,
server id not sent.

I am not sure where to start and was hoping someone has some knowledge to share on this =)

Thanks in advance,

-David
6 REPLIES 6
Sundar_7
Honored Contributor

Re: DHCP requests growing syslog rapidly

hmm..I would start with killing bootpd if the server is not meant to be a DHCP server.

Typically bootpd is started by the inetd. Edit /etc/inetd.conf and comment out the entry for bootpd.

# vi /etc/inetd.conf
< comment out the entry>
# inetd -c

Or if you have bootpd running as a daemon then kill the daemon and figure out the root-cause.
Learn What to do ,How to do and more importantly When to do ?
Steven E. Protter
Exalted Contributor

Re: DHCP requests growing syslog rapidly

If the box is an Ignite server, leave bootbpd alone.

You can trim syslog with sam or a simiple shell script run by cron.

It would seem for some reason there is a dhcp server on your box. It might be better to look into why and make sure its configured correctly.

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Steven E Protter
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david shetler
Occasional Advisor

Re: DHCP requests growing syslog rapidly

The machine is setup as an ignite server, responding to client machines.

There is one entry for bootpd

bootps dgram udp wait root /usr/lbin/bootpd bootpd -d 3 -t90

and one entry for instl_bootpd

instl_boots dgram udp wait root /opt/ignite/lbin/instl_bootd instl_bootd

We use the machine to boot both pa from bch prompt and ia from lanboot select
Sundar_7
Honored Contributor
Solution

Re: DHCP requests growing syslog rapidly

instl_boots can serve the IUX clients. You dont have to have both bootpd and instl_boots running in the system at the same time.
Learn What to do ,How to do and more importantly When to do ?
david shetler
Occasional Advisor

Re: DHCP requests growing syslog rapidly

Actually looking at the debug level of bootpd. That might be what is causing an excessive amount of information to be logged to syslog. Not positive though. Thanks for the info on that Sumar, I didnt not know instl_bootp could answer both. Thanks for the help!

-David
david shetler
Occasional Advisor

Re: DHCP requests growing syslog rapidly

Sundar I mean, sorry.