Re: major packet loss at hot server

2008-03-23 Thread Noam Meltzer
Hi, I live in Givatayim, and connected to the internet through HOT Bezeqint. Also, the connection to Bezeqint is without VPN (aka. חייגן) Apparently, I have some packet loss too. It appears like the packet loss are occurring exactly in the connection between HOT and Bezeqint. The following is

Re: major packet loss at hot server

2008-03-23 Thread Omer Zak
After having seen some E-mail messages about this subject, I decided to run my own tests. I found that when mtr'ing Israeli hosts, I get packet loss. When mtr'ing international hosts (www.yahoo.com, www.google.com, zak.co.il [hosted outside of Israel], I get less packet loss than when mtr'ing

Re: major packet loss at hot server

2008-03-23 Thread Geoffrey S. Mendelson
On Sun, Mar 23, 2008 at 10:32:28AM +0200, Omer Zak wrote: I found that when mtr'ing Israeli hosts, I get packet loss. When mtr'ing international hosts (www.yahoo.com, www.google.com, zak.co.il [hosted outside of Israel], I get less packet loss than when mtr'ing Israeli hosts. Weird! Not

Re: Kernel question - what happens when a shell script is the interpreter for another shell script?

2008-03-23 Thread Dan Kenigsberg
On Thu, Mar 20, 2008 at 07:25:19PM +0200, Shachar Shemesh wrote: Valery Reznic wrote: Below is important part If the header of a file isn?t recognized (the attempted execve(2) returned ENOEXEC), these functions will execute the

Re: Kernel question - what happens when a shell script is the interpreter for another shell script?

2008-03-23 Thread Shachar Shemesh
Dan Kenigsberg wrote: I happenned to stumble on this question recently. prctl(2) has PR_SET_NAME. An even simpler solution, that may work on non-Linux too and may be good enough, is softlink. From the prctl man page: CONFORMING TO This call is Linux-specific. IRIX has a prctl()

Re: major packet loss at hot server

2008-03-23 Thread Hetz Ben Hamo
Hi, Not at all. Remember that the packets have to go through gateways. So I wonder, are those ISP's using Cisco's 1XXX/2XXX routers which makes those packet loss? An ISP should have a very fast equipment which shouldn't loose packet like nuts. Thats unacceptable these days, specially when it

Re: major packet loss at hot server

2008-03-23 Thread Geoffrey S. Mendelson
On Sun, Mar 23, 2008 at 11:59:12AM +0200, Hetz Ben Hamo wrote: So I wonder, are those ISP's using Cisco's 1XXX/2XXX routers which makes those packet loss? An ISP should have a very fast equipment which shouldn't loose packet like nuts. Thats unacceptable these days, specially when it comes to

[YBA] SYN dropped from Netvision timsoret

2008-03-23 Thread Jonathan Ben Avraham
Hi fellow list members, A client of mine recently moved from H-DSL to timsoret (fractional E1) with Netvision in Jerusalem. The client retained the same IP addresses. Following the move we noticed that a large fraction of the SYN packets from remote addresses do not get through to the external

Re: [YBA] SYN dropped from Netvision timsoret

2008-03-23 Thread Hetz Ben Hamo
The Unix team in Netvision (I think it's called Mahleket ha-system). I don't have their phone or email unfortunately. Hetz On Sun, Mar 23, 2008 at 4:16 PM, Jonathan Ben Avraham [EMAIL PROTECTED] wrote: Hi fellow list members, A client of mine recently moved from H-DSL to timsoret (fractional

Re: [YBA] SYN dropped from Netvision timsoret

2008-03-23 Thread Shachar Shemesh
Jonathan Ben Avraham wrote: What should we do next? apt-get install hping2 (or hping3, if you prefer) RTFM the --traceroute option. It should probably go something along the lines of: hping2 ip -S -p port num -M0 --traceroute Whenever it gets stuck, press ^Z to make it skip that hop. Do

Re: [YBA] SYN dropped from Netvision timsoret

2008-03-23 Thread Shachar Shemesh
Shachar Shemesh wrote: Jonathan Ben Avraham wrote: What should we do next? Oh, and I almost forgot. When you talk to tech support, if after 10 minutes on the line you realize that the rep will not or cannot help you, ask for a supervisor. In most cases, if the rep cannot help you, the

Re: [YBA] SYN dropped from Netvision timsoret

2008-03-23 Thread sara fink
I would say, give them with כפית בפה what to do. Put a capture filter with source dest, run ping and wireshark. Either they are dumb or don't want to do anything. On Sun, Mar 23, 2008 at 4:44 PM, Hetz Ben Hamo [EMAIL PROTECTED] wrote: The Unix team in Netvision (I think it's called Mahleket

Re: major packet loss at hot server

2008-03-23 Thread sara fink
I found out that in my case they blocked all ports except 8010. So there is no need for QOS. But I am going to tell them. As for hot, they use some cisco routers and some jerky routers/switches like Juniper Networks M10 or M320 router or similar versions of juniper. In my case there is major