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Nov
12
comment Mysteriously dropped packets
There are too many possibilities to give you a good answer. Could be the system checking for updates automatically, could be an automated backup, could be someone else automatically scanning the system, and probably a bunch of other things too. You'll need to isolate what the traffic is during that time to really know.
Nov
4
comment SSH tunnel on port other than 22 under OSX
Use ssh -v to get more detail about the actual connection. Add more v's for more info. Also, what is your ISP? Many consumer class ISPs don't allow unsolicited incoming connections.
Sep
29
comment DNS server redirect domain to another server?
In order for anyone to actually be able to answer this question with making all kinds of wild guesses and assumptions, you'll need to define "when people go to" somewhat more precisely than you have so far.
Sep
29
comment NFS issues between two linux/unix VMs
When you create the file on the server side, what are the permissions on the file? Who is the owner?
Sep
25
comment A record or cname
Ah, I misunderstood. I thought that the client owned client.app.com, in addition to www.client.com. Still, the principle holds: if the IP changes, only the single [A] record needs to be changed if using a CNAME. If they use A records, then you'll need to update all of them. For a single entry it probably doesn't matter much, but if you are scaling this up to more than one or two, only having a single entry to change can make things a lot easier in the future.
Jul
22
comment NAS recommendation for Xenserver
I'm guessing that this question is going to get closed, or at least moved to softwarerecs.stackexchange.com. Most of the StackExchange sites stopped allowing product recommendations (see the FAQs).
May
13
comment ASA failover mode switching from Active/Active to Active/Standby
Did you ever get a good answer on this? What was the solution?
Jan
23
comment Linux network interfaces take so long to come up
+1 Sounds like someone needs to do a "portfast enable".
Jun
10
comment BIND as secondary DNS to Windows Server 2012. Windows complains that BIND is “not authoritative”
Do you have an NS record for the secondary server in the primary server's configuration?
May
22
comment Full MTU not utilized with jumbo frames enabled
+1 for having tried "quackery".
May
21
comment FreeBSD routing for multiple subnets
Without knowing the specific symptoms of "does not work", it is pretty hard to make any kind of a real guess. In addition to that information, it might also be useful to include the results of "netstat -rn", so we can see the routing table (also available via "route show".
May
21
comment Is there any possible way in which unicast packet from one machine sent to two machines?
This will also happen if you have a hub instead of a switch. This behavior is typically called "flooding".
May
12
comment Making a reverse zone file on a 255.0.0.0 subnet
What DNS server are you using?
May
1
comment Debian server - DNS stopped working after static IP reassignment
This statement is confusing: "when I access one of the websites hosted in that server through a browser, if that website tries to access google.com, for example, ping stops returning successful requests." Can you please elaborate/explain it differently?
May
1
comment Debian server - DNS stopped working after static IP reassignment
I'm with Zoredache, this is almost certainly not a DNS issue.
Apr
7
comment How to use iSCSI MPIO to increase bandwidth with XenServer?
Youch! That is quite the string of bad questions. I prescribe alcohol to help you cope.
Apr
7
comment How to use iSCSI MPIO to increase bandwidth with XenServer?
I agree. I had mistakenly assumed the goal here was to educate, not just to provide the most professional answer. You are absolutely correct, and in my professional career I would never give such a detailed answer, because it does give the false assumptions in the question more credit than they deserve. Providing such a detailed response to a client would not be an effective use of time. It is far better to say "do it right, trust me, I'm a professional" than to help someone understand implement a solution to the wrong question. As I said, I'll try to keep your technique in mind.
Apr
7
comment How to use iSCSI MPIO to increase bandwidth with XenServer?
So, what I said, except less explanation, less words, and a day later. I shall keep your technique in mind for future answers, clearly it works.
Apr
7
comment How to use iSCSI MPIO to increase bandwidth with XenServer?
@Matt is correct here, as is joeqwerty. Trust us, go with LACP; it is the best your are going to get in this particular configuration.
Mar
17
comment Storage Network Stops Transmitting Traffic
+1, this was going to be my guess as well.