More explanation: The 192.168.199.9 IP address below is not
represented in the net-snmp agent on the RedHat ES3 box.
There are multi addressed interfaces on linux boxes that are pingable
that I can not discover unless there is a static route (Routing table)
or they have a tcp or udp port bound to that address (tcp table). I
want to know if a configuration issue happens and the secondary
addresses stop responding but first I have to discover them.
Is there a way to tell Net-SNMP to represent this?
[r...@smarts mdougher]# ifconfig -a |egrep "inet|eth|lo" |grep -v inet6
eth0 Link encap:Ethernet HWaddr 00:06:5B:01:13:E1
inet addr:192.168.1.150 Bcast:192.168.1.255
Mask:255.255.255.0
eth0:0 Link encap:Ethernet HWaddr 00:06:5B:01:13:E1
inet addr:192.168.199.9 Bcast:192.168.199.255
Mask:255.255.255.0
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
r...@lab:~# snmpwalk -v 1 -c public 192.168.1.150 ifDescr
IF-MIB::ifDescr.1 = STRING: lo
IF-MIB::ifDescr.2 = STRING: eth0
r...@lab:~# snmpwalk -v 1 -c public 192.168.1.150 ipAdEntIfIndex
IP-MIB::ipAdEntIfIndex.127.0.0.1 = INTEGER: 1
IP-MIB::ipAdEntIfIndex.192.168.1.150 = INTEGER: 2
r...@lab:~# snmpwalk -v 1 -c public 192.168.1.150 tcpConnRemPort
TCP-MIB::tcpConnRemPort.0.0.0.0.22.0.0.0.0.0 = INTEGER: 0
TCP-MIB::tcpConnRemPort.0.0.0.0.111.0.0.0.0.0 = INTEGER: 0
TCP-MIB::tcpConnRemPort.0.0.0.0.199.0.0.0.0.0 = INTEGER: 0
TCP-MIB::tcpConnRemPort.0.0.0.0.6000.0.0.0.0.0 = INTEGER: 0
TCP-MIB::tcpConnRemPort.0.0.0.0.32768.0.0.0.0.0 = INTEGER: 0
TCP-MIB::tcpConnRemPort.127.0.0.1.25.0.0.0.0.0 = INTEGER: 0
TCP-MIB::tcpConnRemPort.127.0.0.1.631.0.0.0.0.0 = INTEGER: 0
TCP-MIB::tcpConnRemPort.127.0.0.1.32769.0.0.0.0.0 = INTEGER: 0
TCP-MIB::tcpConnRemPort.192.168.1.150.22.192.168.1.30.55581 = INTEGER:
55581
On Wed, 2010-01-13 at 11:04 -0500, Matthew Dougherty wrote:
> The only way I can find a subinterface IP address via SNMP is on the
> routing or TCP tables if there is a live connection.
>
> Is there a way to tell net-snmp 5.0.9 on RedHat ES 3 to show
> subinterface IPs.
>
> It's one thing to not show eth0:1 on the interfaces table but to not
> show the IP in the ipAddr table is a problem. How can I get the agent
> to either add eth0:1 to the interfaces table or add the IP to the
> ipAddr table as an address of eth0?
>
> Matt.
>
> Matthew Dougherty
> [email protected]
>
>
Matthew Dougherty
[email protected]
973-325-8556
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