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Setup guide #1

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adibrastegarnia opened this issue Jun 24, 2018 · 27 comments
Closed

Setup guide #1

adibrastegarnia opened this issue Jun 24, 2018 · 27 comments

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@adibrastegarnia
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Hi,
Would you please update the readme with a setup guide?

I tried to run the program but I am getting this error:

../go/src/github.com/google/gopacket/layers/tcp.go:1:1: expected 'package', found 'EOF'

Thanks,
@dbainbri-ciena
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you likely have to do a go get to fetch the dependent packages. At this point, I have not used vendoring for this project. If you look in the Dockerfile, you can see the commands to download the dependencies, i.e.

go get -d -v ./... && go install -v ./...

Or are you still getting this error after downloading the dependencies?

@adibrastegarnia
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adibrastegarnia commented Jun 24, 2018 via email

@adibrastegarnia
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adibrastegarnia commented Jun 24, 2018 via email

@dbainbri-ciena
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i just did a fresh clone and it was working for me using

$ go version
go version go1.9.5 darwin/amd64

The commands I ran were ...

$ go get http://github.com/ciena/oftee
$ cd oftee
$ export GOPATH=$(pwd)
$ go get -d -v ./...
$ go run oftee --help

@adibrastegarnia
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adibrastegarnia commented Jun 25, 2018 via email

@dbainbri-ciena
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Glad to hear it, what was the issue you were hitting?

@adibrastegarnia
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adibrastegarnia commented Jun 25, 2018 via email

@adibrastegarnia
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After the last time we talked about the setup, I wasn't able to spend time on it because of some other tasks. Would you please tell me what values do you use to set env variables? I am getting this error and I think it is because of action item in TEE_TO:

Unable to connect to outbound end point connection="dl_type=0x800" error="dial tcp: address dl_type=0x800: missing port in address"

Thanks,
Adib

@adibrastegarnia
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resolved

@dbainbri-ciena
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I have a working example with a AAA and DHCP application at https://github.com/dbainbri-ciena/oftee_workspace. The AAA does EAPOL to Radius and is written in Golang. The DHCP does L3 relay and is written in python. This should be a might be a good resource to see how oftee works.

@adibrastegarnia
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adibrastegarnia commented Jul 16, 2018 via email

@adibrastegarnia
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When I export PROXY_TO as follows:
export PROXY_TO=tcp://127.0.0.1:6653

It gives me the following error:
Unable to connect to SDN controller error="dial tcp: too many colons in address tcp://127.0.0.1:6653" proxy="tcp://127.0.0.1:6653"

Do I use the correct format?

Thanks

@dbainbri-ciena
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dbainbri-ciena commented Jul 17, 2018 via email

@adibrastegarnia
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Thanks but another problem is raised and I am still not sure it is because of my system or it is because of the code:

This is my scenario:

I run oftee and then run a mininet simulation scenario to connect a set of network switches to oftee. This is what happens: It keeps printing this message:

ERRO[0009] Error while accepting connection error="accept tcp [::]:6633: accept4: too many open files"
ERRO[0009] Error while accepting connection error="accept tcp [::]:6633: accept4: too many open files"
ERRO[0009] Error while accepting connection error="accept tcp [::]:6633: accept4: too many open files"
ERRO[0009] Error while accepting connection error="accept tcp [::]:6633: accept4: too many open files"
ERRO[0009] Error while accepting connection error="accept tcp [::]:6633: accept4: too many open files"
ERRO[0009] Error while accepting connection

Do you think I need to change my max file descriptors?
I think the order of execution of the controller, oftee, and a simulation scenario is also important right?

@dbainbri-ciena
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dbainbri-ciena commented Jul 17, 2018 •
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How many switches are in your simulation? How are you starting mininet?

the order of startup should not matter.

@adibrastegarnia
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adibrastegarnia commented Jul 17, 2018 via email

@dbainbri-ciena
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ok, let me attempt to create a 5 switch network in mininet and see what happens

@dbainbri-ciena
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just started a network with sudo mn --topo=tree,3 --controller=remote,ip=127.0.0.1,port=6654 and not seeing the error. how long was it running before you saw the error?

@dbainbri-ciena
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seems to be working with --topo=tree,5 as well, which is 37 switches

@adibrastegarnia
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adibrastegarnia commented Jul 17, 2018 via email

@dbainbri-ciena
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are you using the latest source code? not sure why you would see it and i don't. what are your limits for file descriptors?

@adibrastegarnia
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adibrastegarnia commented Jul 17, 2018 via email •
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@adibrastegarnia
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adibrastegarnia commented Jul 17, 2018 via email

@dbainbri-ciena
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dbainbri-ciena commented Jul 17, 2018 via email

@dbainbri-ciena
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dbainbri-ciena commented Jul 17, 2018 via email

@adibrastegarnia
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adibrastegarnia commented Jul 17, 2018 via email

@dbainbri-ciena
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OK. Glad it is working.

If everything is on the same host, then yes, the ports have to be different.

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@adibrastegarnia @dbainbri-ciena