01-05-2009
ethernet down
Hello everyone
I have a problem with one server, has Aix 5.3 in the errpt has this message
IDENTIFIER TIMESTAMP T C RESOURCE_NAME DESCRIPTION
F3931284 0105133009 I H ent0 ETHERNET NETWORK RECOVERY MODE
EC0BCCD4 0105133009 T H ent0 ETHERNET DOWN
F3931284 0105133009 I H ent0 ETHERNET NETWORK RECOVERY MODE
EC0BCCD4 0105133009 T H ent0 ETHERNET DOWN
F3931284 0105132909 I H ent0 ETHERNET NETWORK RECOVERY MODE
EC0BCCD4 0105132909 T H ent0 ETHERNET DOWN
F3931284 0105132809 I H ent0 ETHERNET NETWORK RECOVERY MODE
EC0BCCD4 0105132809 T H ent0 ETHERNET DOWN
F3931284 0105132709 I H ent0 ETHERNET NETWORK RECOVERY MODE
EC0BCCD4 0105132709 T H ent0 ETHERNET DOWN
F3931284 0105132709 I H ent0 ETHERNET NETWORK RECOVERY MODE
EC0BCCD4 0105132709 T H ent0 ETHERNET DOWN
F3931284 0105132609 I H ent0 ETHERNET NETWORK RECOVERY MODE
EC0BCCD4 0105132609 T H ent0 ETHERNET DOWN
F3931284 0105132509 I H ent0 ETHERNET NETWORK RECOVERY MODE
EC0BCCD4 0105132509 T H ent0 ETHERNET DOWN
F3931284 0105132409 I H ent0 ETHERNET NETWORK RECOVERY MODE
EC0BCCD4 0105132409 T H ent0 ETHERNET DOWN
If I ping the ip sometimes I got answer but sometimes donīt. I have intermittent. then the only way to log in to this server is by hmc.
If there some way to resolve this
Thanks for your tips.
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LEARN ABOUT DEBIAN
ndpmon
NDPMON(8) System Manager's Manual NDPMON(8)
NAME
ndpmon - Neighbor Discovery Protocol Monitor
SYNOPSIS
ndpmon [ -i interfacename ] [ -f configfile ] [ -d dtd_file ] [ -F filter ]
[ -n number ] [ -L ] [ -v ] [ -h ] [ -d dtd_file ]
[ -g neighbor_file ]
DESCRIPTION
NDPMon is a monitoring software for ipv6 Neighbor Discovery. It syslogs activity and reports by email malicious ND message. NDPMon uses
libpcap to listen for icmp6 packets and libxml2 to use configuration and neighbor cache files.
The -i flag is used to change the default interface eth0.
The -f flag is used to change the path of the configuration file. The default is /etc/ndpmon/config_ndpmon.xml
The -e flag is used to change the path to the DTD file for the configuration file. The default is /etc/ndpmon/config_ndpmon.dtd
The -n flag uses libpcap to specify a limited number of packet to capture.
The -F flag allows one to change the default icmp6 filter.
The -L flag is used to disable syslog and mail reports. This is used to do a learning phase and constitue the neighbor cache.
The -v is used to enable the DEBUG mode.
The -d flag is used to change the path to the DTD file for the neighbor cache. The default is /var/lib/ndpmon/neighbor_list.dtd
The -g flag is used to change the path to the neighbor cache. The default is /var/lib/ndpmon/neighbor_list.xml
Note that an empty neighbor_cache.xml file must be created before the first time you run ndpmon.
NDPMon must be run with root rights to work.
REPORT MESSAGES
Here's the list of the report messages generated by ndpmon:
wrong couple MAC/IP
Separately, the MAC and IP addresses are valid, but not as a couple.
wrong router mac
The ethernet address of the RA message is not specified in the configuration file.
wrong router ip
The ip address of the RA message is not specified in the configuration file.
wrong prefix
The prefix announced in the RA message is not specified in the configuration file.
wrong router redirect
The RD message does'nt come from a router specified in the configuration file.
NA router flag
The NA specifies a router but isn't one according to the configuration file.
DAD DOS
The NA answer to NS to avoid it to get an ip address.
changed ethernet address
The host switched to a new ethernet address.
flip flop
The ethernet address has changed from the most recently seen address to the second most recently seen address.
reused old ethernet address
The ethernet address has changed from the most recently seen address to the third (or greater) least recently seen address.
SYSLOG MESSAGES
Here are some of the syslog messages; note that messages that are reported are also sysloged.
new activity
This ethernet/ip6 address pair has been announced for last time two months or more.
new station
The ethernet address has not been seen before on the link.
ethernet broadcast
The mac ethernet address of the host is a broadcast address.
ip broadcast
The ip address of the host is a broadcast address.
bogon The source ip address is not local to the local subnet.
ethernet mismatch
The source mac ethernet address didn't match the address announced in option of the ND message.
FILES
config_ndpmon.xml - contains settings which must be fill by the administrator
neighbor_list.xml - neighbor cache: all neighbors known to be on the link
SEE ALSO
arpwatch(8) ipv6(7), pcap(3), libxml(3).
AUTHOR
Thibault Cholez and Frederic Beck for MADYNES Project, Loria, Fr.
BUGS
Please send bug reports to frederic.beck@loria.fr
or thibault.cholez@esial.uhp-nancy.fr
November 2006 NDPMON(8)