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May
10
answered VLAN & Communication
May
3
awarded  Popular Question
Apr
24
comment Multicast File Transfers
@SadeqDousti The advantages weren't so much about the speed difference, but more about usability, personal preferences, and our specific use case; which is why I didn't elaborate on them in the answer. You'll have to do your own evaluation to make a determination about which is better for your particular needs.
Apr
4
comment SFP+ vs CAT6a for 10GbE
+1 for the Direct Attach Cables (DACs). We love them in our environment, they are far cheaper, seem to have less issues with compatibility, and I've read they have slightly less latency than optics (although haven't tested this myself).
Mar
16
awarded  Yearling
Mar
6
awarded  Popular Question
Feb
7
comment Why does traceroute take much longer than ping?
This does not make the round trip times any faster. It does however make it faster to return results on your screen, since it doesn't do the DNS lookups.
Feb
7
comment Why does traceroute take much longer than ping?
A better analogy would be that you send out 30 drivers, telling each of them to head towards New York, but each of them must turn around and come back at the first crossroads, the second crossroads, the third crossroads, and so on, all the way up to thirty crossroads (hoping that there are less than 30 between SF and NY).
Feb
7
comment Why does traceroute take much longer than ping?
@dbasnett Originally, traceroute sent outgoing packets as UDP, and the return packets are of course ICMP TTL exceeded messages. Windows and now other traceroute programs use ICMP echo request packets for the outgoing. Typically when people refer to UDP traceroute or ICMP traceroute it is these outgoing packets that they are referring to, since BOTH mechanisms rely on ICMP TTL exceeded messages coming back to the sender from hops along the route.
Dec
14
answered Can you run a packet capture (wireshark) while rdped to a server?
Nov
27
comment Can you have more than one ~/.ssh/config file?
Have each user login to the bastion host with their own username. Also, what are you putting into the config file that requires an entry for each host? Can't you set some defaults that are common?
Nov
8
comment Translate incoming DNS responses
Is it just one domain that you care about when it is failing? More details on what 3rd party software might be helpful in proposing a solution.
Nov
8
comment iSCSI - what's faster?
1 and 3 are effectively the same if only one initiator exists. I think your question "why not get a DAS" is answered with "so we can add a switch and other initiators later".
Oct
28
awarded  Nice Question
Oct
26
awarded  Popular Question
Sep
25
comment VirtualBox VT-x virtualization already in use
And if you do downvote, PLEASE explain why, so the original poster can fix it and better the site and community.
Sep
25
comment VirtualBox VT-x virtualization already in use
Are the downvotes because the question was asked in the wrong place? Or because the question is worded badly? I the question is likely to get migrated to another stackexchange site, don't downvote it simply for that reason, because the votes will transfer too.
Sep
21
awarded  Custodian
Aug
25
comment vmware unique cpu identifier
What about multiple CPUs on the same host? If you do find an identifier, will it change if the hypervisor switches you to one of the other CPUs? I'd imagine that there is no way around this without pinning a VM to specific CPUs. I'm hoping someone has a good answer, because I've spent a lot of time researching this myself. The best answer I've been able to find is to add something to the config on the host that the VM can query via vmware-tools (but you have to have total control over the environment).
Jul
29
comment Juniper NetScreen NS-5GT traffic monitoring
"There is a good SNMP based interface monitoring dashboard widget" got a link or a name? I'd love to check it out.