Hi Andy
On Tuesday 06 September 2011 14:34:40 Andy Cress wrote:
> There are two types of shared OS/BMC NICs:
> 1) Where the BMC and OS have separate MAC addresses (so separate IP
> addresses). This is the most common. Or
> 2) The BMC and OS share the same MAC address and the BMC gets only the
> IPMI traffic to the RMCP port.
>
> Compare the IPMI LAN MAC with your OS MAC from ifconfig to see which it is.
> If case 2, the IP addresses must match or it will not work (arps will fail,
> etc.).
We have yet another case (which at least for Lenny for the past 2+ yrs):
Lenny:
n1672:~# ipmitool lan print 1
Set in Progress : Set Complete
Auth Type Support : NONE MD2 MD5 PASSWORD
Auth Type Enable : Callback : MD2 MD5 PASSWORD
: User : MD2 MD5 PASSWORD
: Operator : MD2 MD5 PASSWORD
: Admin : MD5 PASSWORD
: OEM : MD2 MD5 PASSWORD
IP Address Source : Static Address
IP Address : 172.27.16.72
Subnet Mask : 255.240.0.0
MAC Address : 00:30:48:9a:5a:18
SNMP Community String : public
IP Header : TTL=0x40 Flags=0x40 Precedence=0x00 TOS=0x10
BMC ARP Control : ARP Responses Enabled, Gratuitous ARP Disabled
Gratituous ARP Intrvl : 2.0 seconds
Default Gateway IP : 0.0.0.0
Default Gateway MAC : 00:00:00:00:00:00
Backup Gateway IP : 0.0.0.0
Backup Gateway MAC : 00:00:00:00:00:00
802.1q VLAN ID : Disabled
802.1q VLAN Priority : 0
RMCP+ Cipher Suites : 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14
Cipher Suite Priv Max : Xaaaaaaaaaaaaaa
: X=Cipher Suite Unused
: c=CALLBACK
: u=USER
: o=OPERATOR
: a=ADMIN
: O=OEM
n1672:~# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
2: tunl0: <NOARP> mtu 1480 qdisc noop state DOWN
link/ipip 0.0.0.0 brd 0.0.0.0
3: gre0: <NOARP> mtu 1476 qdisc noop state DOWN
link/gre 0.0.0.0 brd 0.0.0.0
4: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP
qlen 100
link/ether 00:30:48:9a:5a:18 brd ff:ff:ff:ff:ff:ff
inet 172.26.16.72/12 brd 172.31.255.255 scope global eth0
5: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9000 qdisc pfifo_fast state UP
qlen 1000
link/ether 00:30:48:9a:5a:19 brd ff:ff:ff:ff:ff:ff
inet 10.10.16.72/8 brd 10.255.255.255 scope global eth1
Thus same MAC, but different IPs (and yes, that's working....)
On the freshly installed Squeeze box:
root@n1673:~# ipmitool lan print
Set in Progress : Set Complete
Auth Type Support : NONE MD2 MD5 PASSWORD
Auth Type Enable : Callback : MD2 MD5 PASSWORD
: User : MD2 MD5 PASSWORD
: Operator : MD2 MD5 PASSWORD
: Admin : MD2 MD5 PASSWORD
: OEM : MD2 MD5 PASSWORD
IP Address Source : Static Address
IP Address : 172.27.16.73
Subnet Mask : 255.240.0.0
MAC Address : 00:30:48:9b:9e:26
SNMP Community String : public
IP Header : TTL=0x40 Flags=0x40 Precedence=0x00 TOS=0x10
BMC ARP Control : ARP Responses Enabled, Gratuitous ARP Disabled
Gratituous ARP Intrvl : 2.0 seconds
Default Gateway IP : 0.0.0.0
Default Gateway MAC : 00:00:00:00:00:00
Backup Gateway IP : 0.0.0.0
Backup Gateway MAC : 00:00:00:00:00:00
802.1q VLAN ID : Disabled
802.1q VLAN Priority : 0
RMCP+ Cipher Suites : 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14
Cipher Suite Priv Max : Xaaaaaaaaaaaaaa
: X=Cipher Suite Unused
: c=CALLBACK
: u=USER
: o=OPERATOR
: a=ADMIN
: O=OEM
root@n1673:~# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
2: tunl0: <NOARP> mtu 1480 qdisc noop state DOWN
link/ipip 0.0.0.0 brd 0.0.0.0
3: gre0: <NOARP> mtu 1476 qdisc noop state DOWN
link/gre 0.0.0.0 brd 0.0.0.0
4: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP
qlen 100
link/ether 00:30:48:9b:9e:26 brd ff:ff:ff:ff:ff:ff
inet 172.26.16.73/12 brd 172.31.255.255 scope global eth0
5: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 9000 qdisc pfifo_fast state UP
qlen 1000
link/ether 00:30:48:9b:9e:27 brd ff:ff:ff:ff:ff:ff
inet 10.10.16.73/8 brd 10.255.255.255 scope global eth1
root@n1673:~#
As it was working before, we continued with it, but maybe we are hitting
something else now.
Cheers
Carsten
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