Just a shot in the dark here, but is it possible it's DHCPing to get its
netmask (don't know default behavior if you don't supply one)?
This is the admin_nic stanza from the SmartOS machine in the basement.
admin_nic=f4:ce:46:b0:39:7a
admin_ip=172.30.250.100
admin_netmask=255.255.254.0
admin_network=
admin_gateway=172.30.250.100
Interface looks like this:
igb0: flags=1001000943<UP,BROADCAST,RUNNING,PROMISC,MULTICAST,IPv4,FIXEDMTU>
mtu 1500 index 2
inet 172.30.250.100 netmask fffffe00 broadcast 172.30.251.255
ether f4:ce:46:b0:39:7a
-r
> On Nov 14, 2017, at 9:43 PM, Jesus Cea <[email protected]> wrote:
>
> Hi there.
>
> Trying to debug a network malfunction apparently (initially) related to
> a bad network card, I see this:
>
> The network interface shows this:
>
> """
> # ifconfig rge0
> rge0:
> flags=1001104843<UP,BROADCAST,RUNNING,MULTICAST,DHCP,ROUTER,IPv4,FIXEDMTU>
> mtu 1500 index 2
> inet 176.9.11.11 netmask ffffffe0 broadcast 176.9.11.31
> ether 14:da:e9:b8:48:60
> """
>
> I am surprised about the DHCP flag in the interface. The card has a
> static IP address. Now I am suspecting a problem with DHCP leases, but
> this card should not be running DHCP.
>
> My /usbkey/config is:
>
> """
> #
> # This file was auto-generated and must be source-able by bash.
> #
>
> admin_nic=14:da:e9:b8:48:60
> admin_ip=176.9.11.11
> headnode_default_gateway=176.9.11.1
>
> dns_resolvers=213.133.98.98,213.133.99.99
> dns_domain=jcea.es
>
> ntp_hosts=0.smartos.pool.ntp.org
> compute_node_ntp_hosts=dhcp
>
> hostname=xXx
>
> root_authorized_keys_file=authorized_keys
> etherstub=hubjcea0
> """
>
> In this configuration the only DHCP key is "compute_node_ntp_hosts". I
> wonder what is the meaning of it, what would be the appropriate value
> and if this setting is related to the DHCP flag in rge0.
>
> I can reboot the node if instructed, but I would like to have a good
> case/reason first.
>
> What about the FIXEDMTU flag?. Where is that set? Should I care about it?
>
> Thanks for your time and effort!
>
> --
> Jesús Cea Avión _/_/ _/_/_/ _/_/_/
> [email protected] - http://www.jcea.es/ _/_/ _/_/ _/_/ _/_/ _/_/
> Twitter: @jcea _/_/ _/_/ _/_/_/_/_/
> jabber / xmpp:[email protected] _/_/ _/_/ _/_/ _/_/ _/_/
> "Things are not so easy" _/_/ _/_/ _/_/ _/_/ _/_/ _/_/
> "My name is Dump, Core Dump" _/_/_/ _/_/_/ _/_/ _/_/
> "El amor es poner tu felicidad en la felicidad de otro" - Leibniz
>
-------------------------------------------
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