Hi Jon,
>> Can I just add a static route to the SSVM for the 172.30.5.0/28 subnet and
>> would this work or is there a better way to do it ?
Yes, that should work. I did it some time back in my environment where NFS
server is sitting in a separate subnet (in LAN), and public NIC/gateway in the
SSVM was used to route the packets to/fro NFS server. We have added static
route via the private/management NIC because the NFS server sits in LAN.
Let us know how it goes.
Regards,
Sateesh
-----Original Message-----
From: Jon Marshall <jms....@hotmail.co.uk>
Reply-To: "users@cloudstack.apache.org" <users@cloudstack.apache.org>
Date: Tuesday, 26 June 2018 at 19:36
To: "users@cloudstack.apache.org" <users@cloudstack.apache.org>
Subject: Adding a static route to the SSVM for remote NFS server
I am doing basic networking with 2 NICS (one for management/storage and the
other for Guest traffic).
When you configure the physical NIC/bridges you can only define one
default gateway so I do it for the guest traffic which means the routing table
on the SSVM ends up as -
root@s-1-VM:/etc# netstat -nr
Kernel IP routing table
Destination Gateway Genmask Flags MSS Window irtt
Iface
0.0.0.0 172.30.4.1 0.0.0.0 UG 0 0 0
eth2
8.8.4.4 172.30.3.1 255.255.255.255 UGH 0 0 0
eth1
8.8.8.8 172.30.3.1 255.255.255.255 UGH 0 0 0
eth1
169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0
eth0
172.30.3.0 0.0.0.0 255.255.255.192 U 0 0 0
eth1
172.30.4.0 0.0.0.0 255.255.255.128 U 0 0 0
eth2
where 172.30.3.0/26 is the management network and 172.30.4.0/25 is the
guest network.
My NFS server has an IP of 172.30.5.2 so it is on a different subnet which
means the the secondary storage would have to run over the guest NIC if I am
understanding this properly.
I want storage over the management NIC. Based on some advice on this
mailing list I configured storage to use the same bridge (KVM label) as
management but it won't build ie. it errors on the storage traffic part I
suspect because the subnet details I enter are not part of the management
subnet.
Can I just add a static route to the SSVM for the 172.30.5.0/28 subnet and
would this work or is there a better way to do it ?
On a more general note with basic networking the assumption seems to be you
run everything over the same NIC and if you don't it seems to cause no end of
problems :)
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