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WingDog
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VBR 9.5. NIC Binding?

Post by WingDog » May 08, 2017 6:38 am

Hello.
I have several NIC at my test lab and need to specify VBR server to bind to it.
The main goal - specify networks for VBR remote proxy servers. at this moment they are trying to connect to wrong IP of VBR.

Vitaliy S.
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Re: VBR 9.5. NIC Binding?

Post by Vitaliy S. » May 08, 2017 9:00 am

You can either try to use preferred network option or add remote servers via the correct address IP address and adjust hosts file on the proxy server.

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Re: VBR 9.5. NIC Binding?

Post by WingDog » May 08, 2017 9:27 pm

Hi.
this is not my case - let me explain myself.
I have VBR server with four NICs:
1. 172.16.0.0/16 - Internal network (routed to all other subnets and can be used for backups).
2. 192.168.0.0/24 - fast 10G network for local site (not routed to other subnets).
3. 192.168.1.0/24 - internal subnet iSCSI network for D2D2D backups (not routed to other subnets).
4. 192.168.2.0/24 - the second intersubnet network for non-backup purposes.

VBR server has ONLY 172.16.0.0/16 network registered in DNS (nslookup resolve ONLY 172.16.0.0/16 address), but several remote proxies connected via 172.16.0.0/16 network binds to random 192.168.x.0/24 IP and can't communicate with VBR server.
why? I don't known - this is aweful (and useless) "preferred networks" setting - this desing is unclear, non-understantable and pretty weird.

also with this desing I can't find a way to:
1. localsite backups via 10G network.
2. offsite (remote sites) via routed network.
3. exclude non-backup networks.

foggy
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Re: VBR 9.5. NIC Binding?

Post by foggy » May 10, 2017 12:55 pm

Kirill, have you tried to configure preferred networks as Vitaliy has suggested? If yes, what rules did you specify?

WingDog
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Re: VBR 9.5. NIC Binding?

Post by WingDog » May 10, 2017 7:07 pm

Alexander,
Yes, I've tried to configure preferred networks.
I specify two rules inside "networks" button:
192.168.0.0/24 (fast 10G network)
172.16.0.0/16 (routed network)

but several proxies still trying to communicate with VBR IP from 192.168.1.0/24 or 192.168.2.0/24 and after couple retries maybe reconnect to correct IP (172.16.0.0), but maybe not.


I've found some registry keys with port numbers for VBR services, but these is no any NICs/subnets/IPs binding.
can you share specifications? ;)

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Re: VBR 9.5. NIC Binding?

Post by foggy » May 11, 2017 5:10 pm

Re-reading the thread, it's not about the backup traffic going over the wrong network, it's about connectivity between backup server and remote proxies, right?

WingDog
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Re: VBR 9.5. NIC Binding?

Post by WingDog » May 11, 2017 6:47 pm

Yes, it's right.

foggy
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Re: VBR 9.5. NIC Binding?

Post by foggy » May 15, 2017 4:16 pm

Then preferred networks option is out of help here. You should configure routing properly.

WingDog
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Re: VBR 9.5. NIC Binding?

Post by WingDog » May 15, 2017 6:02 pm

routing? well... OK.
which routing should I configure?

please, pay attention about routing - there is no routing at L2 domain, ARP is on duty ;)

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Re: VBR 9.5. NIC Binding?

Post by WingDog » May 22, 2017 4:26 am

Hi there.
any ideas?

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Re: VBR 9.5. NIC Binding?

Post by foggy » May 30, 2017 3:41 pm

Kirill, I recommend you contacting technical support for assistance, they will be able to review your setup closer, since it is not completely clear to me.

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