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04-19-2012 02:29 AM
04-19-2012 02:29 AM
I have a problem very similar to this thread: network not working on newly created hp-ux guest
The difference is that I do not have MC/ServiceGuard - nor does the guest have the same IP address as the host, as suggested in the solution to that thread. From inside the guest, networking seems to be OK, only it can't reach the outside world; I can't even ping the default router (10.33.40.1). From the outside, I can ping the guest, and ssh comes back with a prompt, but all logins fail and nothing is seen in any logs - no errors or even notifications that a login attempt was made.
Here are some settings:
Guest:
# netstat -in
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
lan0 1500 10.33.40.0 10.33.40.7 20529 0 12429 0 0
lo0 32808 127.0.0.0 127.0.0.1 2786 0 2786 0 0
# nwmgr
Name/ Interface Station Sub- Interface Related
ClassInstance State Address system Type Interface
============== ========= ============== ======== ============== =========
lan0 UP 0x02D7B126F574 iether 1000Base-T
lan900 DOWN 0x000000000000 hp_apa hp_apa
lan901 DOWN 0x000000000000 hp_apa hp_apa
lan902 DOWN 0x000000000000 hp_apa hp_apa
lan903 DOWN 0x000000000000 hp_apa hp_apa
lan904 DOWN 0x000000000000 hp_apa hp_apa
# ifconfig lan0
lan0: flags=1843<UP,BROADCAST,RUNNING,MULTICAST,CKO>
inet 10.33.40.7 netmask fffffe00 broadcast 10.33.41.25
Host (guest is running):
# netstat -in
Name Mtu Network Address Ipkts Ierrs Opkts Oerrs Coll
lo0 32808 127.0.0.0 127.0.0.1 81885 0 81885 0 0
lan0 1500 10.33.40.0 10.33.40.24 3004993 0 1647460 0 0
# nwmgr
Name/ Interface Station Sub- Interface Related
ClassInstance State Address system Type Interface
============== ========= ============== ======== ============== =========
lan0 UP 0xB499BA183FB8 iether 1000Base-T
lan1 DOWN 0xB499BA183FB9 iether 1000Base-T
lan2 DOWN 0xB499BA186F78 iether 1000Base-T
lan3 DOWN 0xB499BA186F79 iether 1000Base-T
lan900 DOWN 0x000000000000 hp_apa hp_apa
lan901 DOWN 0x000000000000 hp_apa hp_apa
lan902 DOWN 0x000000000000 hp_apa hp_apa
lan903 DOWN 0x000000000000 hp_apa hp_apa
lan904 DOWN 0x000000000000 hp_apa hp_apa
# ifconfig lan0
lan0: flags=843<UP,BROADCAST,RUNNING,MULTICAST>
inet 10.33.40.24 netmask fffffe00 broadcast 10.33.41.255
# hpvmstatus -P nambawan
[Virtual Machine Details]
Virtual Machine Name VM # OS Type State
==================== ===== ======= ========
nambawan 3 HPUX On (OS)
[Runnable Status Details]
Runnable status : Runnable
[Remote Console]
Remote Console not configured
[Authorized Administrators]
Oper Groups :
Admin Groups :
Oper Users :
Admin Users :
[Virtual CPU Details]
#vCPUs Entitlement Maximum
====== =========== =======
1 10.0% 100.0%
[Memory Details]
Total Reserved
Memory Memory
======= ========
2 GB 64 MB
[Storage Interface Details]
Guest Physical
Device Adaptor Bus Dev Ftn Tgt Lun Storage Device
======= ========== === === === === === ========= =========================
disk scsi 0 0 0 0 0 lv /dev/vg00/rnambawan_sys
disk scsi 0 0 0 1 0 lv /dev/vg00/rnambawan_oracle
dvd scsi 0 0 0 2 0 file /repo/hp/hp-ux/11.31/hpux.11.31.base.iso
[Network Interface Details]
Interface Adaptor Name/Num PortNum Bus Dev Ftn Mac Address
========= ========== ========== ======= === === === =================
vswitch lan vmsw0 1 0 1 0 02-d7-b1-26-f5-74
[Misc Interface Details]
Guest Physical
Device Adaptor Bus Dev Ftn Tgt Lun Storage Device
======= ========== === === === === === ========= =========================
serial com1 tty console
Solved! Go to Solution.
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04-19-2012 03:41 AM
04-19-2012 03:41 AM
Solution>> From the outside, I can ping the guest, and ssh comes back with a prompt, but all logins fail and nothing is seen in any logs - no errors or even notifications that a login attempt was made.
Duplicate IP address? What happens if you shut down the VM guest and try and ping/login to the guest? Does it now fail completely - if not, something else has the same IP address...
I am an HPE Employee
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04-19-2012 07:54 AM
04-19-2012 07:54 AM
Re: network not working on newly created hp-ux guest
Hi Duncan
Thank you for taking the time to do my thinking for me :-)
I really should have spotted that one, but I had checked in DNS that the address wasn't occupied - I couldn't imagine that our network admins would have unnamed IP addresses lying around, but there you are. Why would they do such a thing? I think it is probably a switch, but why hide it? It adds nothing to security and I have just spent unnecessary time on it. No matter - it works now; thank you for helping.