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Bakshi Gulam's profile - activity

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2015-05-13 03:03:32 -0800 commented answer How to send OFPT_FEATURES_REQUEST?

So, I want to trigger OFPT_FEATURES_REQUEST from my controller app to get updated port speeds. Is any OpenFlow Plugin's API exposed to controller to trigger the same?

2015-05-13 03:02:09 -0800 commented answer How to send OFPT_FEATURES_REQUEST?

Use Case: (contd...) When switch is started, ports come up with default speed. And that is advertised to controller in OFPT_FEATURES_REQUEST's Current Settings. Later, when we change speed of any port, it's not being advertised to controller in any message leaving obsolete topology at controller.

2015-05-13 02:58:17 -0800 commented answer How to send OFPT_FEATURES_REQUEST?

Hi Vishal! I'm not developing my own controller from scratch. I'm developing an ODL app/plugin and I want to trigger OFPT_FEATURES_REQUEST from my app. Use Case: When a switch is started, it registers itself with controller. And as you said, OFPT_FEATURES_REQUEST is sent after OFPT_HELLO messages.

2015-05-13 02:52:30 -0800 commented answer How to send OFPT_FEATURES_REQUEST?

I'm not developing OF switch. I'm developing a ODL application. And I want to send OFPT_FEATURES_REQUEST from my application. I need ODL (OpenFlowPlugin)'s API to do the same.

2015-05-11 19:55:53 -0800 asked a question How to send OFPT_FEATURES_REQUEST?

I want to send OFPT_FEATURES_REQUEST from my application. Can anyone suggest which API can I use to do the same? Please mention the package which has this API too.

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2015-04-26 10:21:21 -0800 asked a question How to get a node to which particular host is connected?

I want to get the node to which a particular host (identified by IP address, say 10.0.0.1) is connected. Which API(s) should I use?

I want something like

Node getNodeConnectedToHost(INetAddr ip);

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2015-04-05 02:06:49 -0800 commented answer How to decode HTTP packets?

Actually the problem seems to be with OVS switch. Eventhough miss_send_len is set to 0xffff (OFPCML_NO_BUFFER) by ODL, OVS is including only till TCP header in the PacketIn message. There seems to a glitch with sal.packet.TCP too. sal.packet.TCP.getRawPayload is returning TCP options fields.

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2015-04-03 00:05:24 -0800 asked a question How to decode HTTP packets?

I want to decode the HTTP header inside TCP packet. I used sal.packet.TCP.getRawPayload and stored the result in a byte[]. There were only 20 bytes and when I tried to print it byte by byte (typecasting it to char), I'm getting some non-alphanumeric characters. Can somebody help?

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2015-03-17 08:32:37 -0800 commented answer Which is actual "l2switch"? Is it controller.git/opendaylight/md-sal/samples/l2switch? OR l2switch.git?

"l2switch.git" is found in Helium Release too. In case of Helium, why have same project in two places? And the one inside controller/.../samples/l2switch is different from "l2switch.git". Which is actual "l2switch" in effect in Helium?

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2015-03-16 21:08:46 -0800 asked a question Which is actual "l2switch"? Is it controller.git/opendaylight/md-sal/samples/l2switch? OR l2switch.git?

The design mentioned here [https://wiki.opendaylight.org/view/OpenDaylight_Controller:MD-SAL:L2_Switch#Components] is in-line with controller/opendaylight/md-sal/samples/l2switch which is obtained when checking out "controller.git". But there is also a separate project called "l2switch" which is obtained while checking out "l2switch.git".

Which is the actual l2switch "in effect" in ODL?