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3
votes
0answers
25 views

Why many of our WANs use fixed bandwith division between up- and downstream? [migrated]

To multiplex upstream and downstream traffic typically frequency multiplexing or time multiplexing is used. E.g. an ADSL connection may use FDM and use 25kHz to 138kHz for upstream and 138kHz to ...
0
votes
0answers
102 views

How to pass TCP-CONNECT from Internet through a Reverse Proxy to reach my local server?

I have this scenario: Some institutional severs between my institutional server and my VPS in Internet exist like men in the middle (Routers, Firewalls (NAT & Filters), DNS, SMTP relay, Proxy, ...
0
votes
1answer
89 views

ssh multiplexing via port forwarding

I'm trying to create a setup where one could "ssh" to a specific port on localhost and then get forwarded to a remote server and into a shell, without the need to enter credentials (nope, secret key ...
2
votes
1answer
846 views

Removing port forwardings programmatically on a ControlMaster SSH session

Quite a while ago I got an answer telling me how to add a port-forwarding on a running SSH ControlMaster process. To know that helps a lot, but I'm still missing a way to remove such a port forwarding ...
6
votes
1answer
903 views

Adding port forwardings programmatically on a ControlMaster SSH session

I just found out about the ControlMaster/ControlPath feature of OpenSSH, which allows you to use a single SSH connection to run multiple terminals. As I often use SSH to use port forwarding to get ...
2
votes
2answers
143 views

ATM, why asynchronous?

hi i'm studing for a multimedia networks exams and i don't understand why ATM is asynchronous. i know that it is asyncrhonous if used with SONET but this makes no sense..
4
votes
3answers
844 views

Is there any way to use session multiplexing (Control Master) from windows?

On our Repository server adding a ControlMaster to the ssd/config file (creates socket?) resulted in a 50x transfer speed increase from roughly 2.5 seconds averaged to 0.05 seconds average. The ...
1
vote
2answers
121 views

Funnelling http traffic

I have a situation where a large batch of servers (X), on demand, need to request data from a smaller set of web servers (Y). The worst case scenario is if all servers in X decide to fetch different ...
2
votes
1answer
141 views

Can I make ssh tell me which control file it would use for multiplexing?

I am using the following options in my ~/.ssh/config in order to enable connection multiplexing: ControlMaster auto ControlPath ~/.ssh/control/master-%r@%h:%p However, this has the annoying problem ...
4
votes
4answers
415 views

Recommendations on good terminal multiplexer [closed]

Please recommend me a good terminal multiplexer. I'm new to sys admin work and need a good way to mange multiple boxes. Edit: Just be clear, I'm looking for something like PuTTy that can send ...
0
votes
2answers
705 views

Multiplexing at OSI Layer 4

I am reading this article and it talks about Multiplexing at the Transport Layer of the OSI model. I can't seem to find out what it means with 'multiplexing' at that layer? As multiplexing is a ...
2
votes
2answers
373 views

OpenSSH multiplexed connection unexpectedly closed

I have following configuration in .ssh config: Host * GSSAPIAuthentication no Compression yes ForwardAgent yes ForwardX11 no Protocol 2 ...
0
votes
4answers
130 views

How is frequency multiplexing implemented?

How is frequency multiplexing implemented? I understand that in time division multiplexing the feed of each channel just uses its own time interval for sending out data over the same medium. But how ...
7
votes
3answers
3k views

NetBackup Multiplexing for Oracle RMAN Backups

My question is... what multiplexing factor in NetBackup is recommended / do you use for Oracle RMAN backups over 1Gb/s management network to LTO3? JB Background: With enterprise backup tools like ...