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Operating Systems AIX strange route issue in powerha 5.4? Post 302328480 by rs6000er on Wednesday 24th of June 2009 11:28:49 AM
Old 06-24-2009
strange route issue in powerha 5.4?

hi all



we upgraded hacmp(powerha) from 5.2 to 5.4 recently .



during the failover testing, we found a strange network issue. after standby node took service ip address (172.15.100.8) online at standby NIC, we were able to log in the standby node by telnet 172.15.100.8 which stays at standby node standyb NIC.



when we tried to run ping or traceroute to a ip address outside of of our network, for example google.com or ibm.com, the NIC that holds service ip address were not able to send any packet out at all.



instead, the primay NIC that holds boot address of standby node (172.15.103.79) will take in place and send the ping packet out or traceroute to out side of world.



on the other hand, any testing within our intranet acted normal. we checked dns server and routing table of standby node and gateway setup, they were all good.



the follwoing info is the routing configuration from standby node.



Routing tables
Destination Gateway Flags Refs Use If Exp Groups

Route Tree for Protocol Family 2 (Internet):
default 172.15.100.150 UG 1 28215 en4 - -
127/8 127.0.0.1 U 9 921983 lo0 - -
172.15.100.0 172.15.103.79 UHSb 0 0 en4 - - =>
172.15.100/22 172.15.103.79 U 6 4212671 en4 - -
172.15.103.79 127.0.0.1 UGHS 0 671937 lo0 - -
172.15.103.255 172.15.103.79 UHSb 0 288 en4 - -
172.16.60.0 172.16.60.60 UHSb 0 0 en5 - - =>
172.16.60/22 172.16.60.60 U 2 2712283 en5 - -
172.16.60.60 127.0.0.1 UGHS 0 382645 lo0 - -
172.16.63.255 172.16.60.60 UHSb 0 1 en5 - -

Route Tree for Protocol Family 24 (Internet v6):
::1 ::1 UH 0 236 lo0 - -


as you may see, the default routing is set up for en4 (the primay NIC that holds boot ip address). is it possible that we manally set up a route entry to let en5 ( the standby NIC that will holds the service ip address when failover) go out side as well like this?



Routing tables
Destination Gateway Flags Refs Use If Exp Groups

Route Tree for Protocol Family 2 (Internet):
default 172.15.100.150 UG 1 28217 en4 - -
127/8 127.0.0.1 U 10 922176 lo0 - -
172.15.100.0 172.15.103.79 UHSb 0 0 en4 - - =>
172.15.100/22 172.15.103.79 U 6 4213902 en4 - - =>
172.15.100/22 172.15.100.8 UG 0 6 en5 - -
172.15.103.79 127.0.0.1 UGHS 0 672133 lo0 - -
172.15.103.255 172.15.103.79 UHSb 0 288 en4 - -
172.16.60.0 172.16.60.60 UHSb 0 0 en5 - - =>
172.16.60/22 172.16.60.60 U 2 2712830 en5 - -
172.16.60.60 127.0.0.1 UGHS 0 382726 lo0 - -
172.16.63.255 172.16.60.60 UHSb 0 1 en5 - -

Route Tree for Protocol Family 24 (Internet v6):
::1 ::1 UH 0 236 lo0 - -
 

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wanbootutil(1M) 					  System Administration Commands					   wanbootutil(1M)

NAME
wanbootutil - manage keys and certificates for WAN booting SYNOPSIS
wanbootutil [keygen] [option_specific_arguments] wanbootutil [keymgmt] [option_specific_arguments] wanbootutil [p12split] [option_specific_arguments] DESCRIPTION
The wanbootutil command creates and manages WANboot encyrption and hashing keys and manipulates PKCS #12 files for use by WAN boot. wanbootutil has three subcommands, each covered in a separate man page: wanboot_keygen(1M) Generates encryption and hashing keys. wanboot_keymgmt(1M) Inserts and extracts keys from WAN boot key repositories. wanboot_p12split(1M) Splits a PKCS #12 file into separate certificate and key files for use by WAN boot. OPTIONS
The options are supported for wanbootutil are the use of keygen, keymgmt, or p12split. The options for these subcommands are described in their respective man pages. EXAMPLES
Example 1 Generate a 3DES Client Key # wanbootutil keygen -c -o net=172.16.174.0,cid=010003BA0E6A36,type=3des Example 2 Insert an RSA Private Client Key wanbootutil keymgmt -i -k keyfile -s /etc/netboot/172.16.174.0/010003BA0E6A36/keystore -o type=rsa Example 3 Split a PKCS #12 File into Certificate and Key Components # wanbootutil p12split -i p12file -c out_cert -k out_key EXIT STATUS
0 Successful operation. non-zero An error occurred. Writes an appropriate error message to standard error. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWwbsup | +-----------------------------+-----------------------------+ |Interface Stability |Obsolete | +-----------------------------+-----------------------------+ SEE ALSO
wanboot_keygen(1M), wanboot_keymgmt(1M), wanboot_p12split(1M), attributes(5) SunOS 5.11 18 Apr 2003 wanbootutil(1M)
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