Setting the port on the l4txnat farm to * and the NAT type to 'NAT' works.
So what does that tell us about the issue? Or is it likely that the answers
would be in the iptables logs on the Zen box?
On Fri, Dec 27, 2013 at 11:41 PM, Dima Polyakov <[email protected]> wrote:
> hm.. can you leave port empty? Let’s redirect all traffic.
>
> You might also want to look at iptables log if packets get dropped there
> (you will need to login into debian,
> http://www.thegeekstuff.com/2012/08/iptables-log-packets/).
>
>
>
> Dima
>
>
>
>
>
> *From:* Damien Solodow [mailto:[email protected]]
> *Sent:* Friday, December 27, 2013 11:13 PM
>
> *To:* [email protected]
> *Subject:* Re: [Zenloadbalancer-support] Issues with Exchange 2010 CAS
>
>
>
> I replaced the tcp farm for port 6001 with one using 'l4txnat' and port
> 6001.
>
> The failure was the same.
>
>
>
> The F5 setup is different from Zen; F5 has an Exchange 2010 template that
> configures the "farms" for it. The setup is pretty similar though.
>
>
>
> On Fri, Dec 27, 2013 at 10:46 PM, Dima Polyakov <[email protected]>
> wrote:
>
> Can you make L4 farm as an experiment to see if it works with RPC? (if it
> works then my initial guess is correct).
>
> Also, with what type of farm F5 load balancer is setup? Is it the same
> configuration as ZLB?
>
>
>
> And just a wild guess, RPC library can make an initial ping before making
> actual RPC. There is an utility from MS:
> http://technet.microsoft.com/en-us/library/hh875578.aspx to do rpcping.
>
>
>
> Dima
>
>
>
>
>
> *From:* Damien Solodow [mailto:[email protected]]
> *Sent:* Friday, December 27, 2013 9:36 PM
> *To:* [email protected]
> *Subject:* Re: [Zenloadbalancer-support] Issues with Exchange 2010 CAS
>
>
>
> Doubtful; I think "ping" in the results is a bit of a misnomer as it's
> likely doing a tcping instead. :)
>
> Also I have a similarly configured Exchange array at another client using
> an F5 load balancer and the "ping" from the Remote Connectivity Analyzer
> succeeds.
>
>
>
> On Fri, Dec 27, 2013 at 9:30 PM, Dima Polyakov <[email protected]>
> wrote:
>
> Could it be because ping is ICMP protocol and ZLB is configured for TCP
> (telnet runs on TCP as well, that can explain why ping fails but telnet is
> ok).
>
>
>
> Dima
>
>
>
>
>
> *From:* Damien Solodow [mailto:[email protected]]
> *Sent:* Friday, December 27, 2013 9:22 PM
> *To:* [email protected]
> *Subject:* [Zenloadbalancer-support] Issues with Exchange 2010 CAS
>
>
>
> Running Zen 3.02 on VMware; 2 Exchange 2010 CAS servers in a CAS array.
>
> Zen was configured per the documentation linked on zenloadbalancer.org,
> including setting static ports and SSL offload on Exchange.
>
> I also created farms for ports 6001, 6002, and 6004.
>
>
>
> Currently all the Exchange related farms only have one backend server
> listed.
>
>
>
> Everything seems to work except for Outlook Anywhere.
>
>
>
> The Remote Connectivity Analyzer shows:
>
> Attempting to ping RPC endpoint 6001 (Exchange Information Store) on
> server outlook.domain.com.
>
> The attempt to ping the endpoint failed.
>
>
>
> Additional Details
>
> An RPC error was thrown by the RPC Runtime process. Error 1818
> CallCancelled
>
> Elapsed Time: 33191 ms.
>
>
>
> I know the error 1818 is a timeout; running a similar test internally
> shows an error 1722 (RPC_Server_Unavailable).
>
>
>
> From an internal PC I can successfully telnet to 6001 using the Zen farm
> IP.
>
>
>
>
>
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