Description:
Networking and communications under Linux.
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setting up multi uplink net
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I have a linux firewall that is used to masq my local net (192.168.1.0/24) and has connections to a T-1, and also a dsl line. I would like to use my T-1 for voip traffic and also as my http server. then use the dsl for everything else. I've gone through the How to and came up with the following config. Am I on the right track ?... more »
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server shutdown and TCP connection disconnected
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Hi All, Sorry if the question are ridiculous. I wrote an network application, i struck with following situation. The TCP client keep on sending some message (heart beat) every particular time interval to server and also client keep on monitoring message from server. Some time Server suddenly getting proper shutdown by some reason.... more »
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routing problem sip client to register on server
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Hi people! I have 2 NIC on a server. eth0 -> 192.168.0.100 GW 192.168.0.1 eth1 -> 192.168.0.101 both NIC are connected to a DSL router with it's IP-Address 192.168.0.1 The router (D-Link Horstbox) should register itself on the asterisk server with the accounts I saved on the router, and I am not getting... more »
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Spanning-tree Protocol implementation
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Hello Linux kernel has its own implementation of the spanning tree, it comes along with the bridge functionallity. Many Layer2 switch vendors ship their SDK (full sources, inlcuding Linux kernel), implementing VLAN, ACL etc. functions as well as STP. What is the point of doing this? Is Linux's STP implementation not entirely... more »
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Suddenly all sockets are unavailable?
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...I think that for the next time, if that happens and I am still able to log on, I would like to investigate this a little further. Such as, what is the process that is holding too many sockets open. I wrote a shell function that may help me in the future: TopSocketUsers() { ( cd /proc... more »
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MCC + network
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I have been causing various train wrecks playing with MCC network settings. MCC says that the computer MUST be rebooted for changes to take effect. Isn't just taking the network down and bringing it up again all that is necessary? Multiple reboots start to take some time.
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Buying advice wanted: Quad 1Gbit SFP NIC PCIe
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Hello, For setting up a BGP router i'd like to use a NIC which gives some flexibility. my wishes are: -Quad (or more) -PCIe bus as preference -SFP based with or without SFP modules -good performance and stability -preferred supported by standard driver in kernel. and like to know the cost i've have a look at:... more »
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RTNETLINK answers: Invalid argument when adding route... help!
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could use a hand. Trying to set up a multiple provider net. basically following the iproute2 howto. I keep getting the following error when I enter the new route ip route add 68.164.***.234/29 dev eth0 src 68.164.***.233 table telness RTNETLINK answers: Invalid argument Local Net eth1 Link encap:Ethernet HWaddr 00:C0:9F:19:DA:3F... more »
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understanding route2
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I'm going through the advanced routing howto and just have a few questions. My setup is basically a three interface system eth0= gateway no1 eth2 = gatewau no2 eth3 = internal masq. I want to set up default routes for each interface, with routing back to the origin. I have one quick question. ip route add $P1_NET dev $IF1 src $IP1 table T1 (from advanced routing... more »
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