GoPCEP new Segment Routing PCEP TE controller Networking |
| GoPCEP new Segment Routing PCEP TE controller Posted: 01 Jan 2022 06:06 PM PST It looks like Segment Routing is becoming more popular every year with all major vendors supporting it to some degree. However, one of the major drawbacks of SR compare to RSVP is that batteries in the form of Traffic Engineering are not included. I have been working on a project to close this gap at least for lab and research purposes. I have created GoPCEP which is a Stateful Segment Routing Traffic Engineering Controller it discovers network topology using BGP-LS then uses an SPF algorithm to find the shortest path and finally it pushes LSPs onto the network using PCEP protocol. You can also create LSPs manually in this case you need to specify the ERO yourself. I am seeking feedback and testing as I found that at least a few members of the networking community on Reddit were interested in SR in the past. I am well aware of the ODL project however GoPCEP is more lightweight and hopefully much easier to use. As it is written in Go it which more modern compare to Java and arguably easier to learn if you would like to contribute. Hopefully I did not break any community rules. Any feedback appreciated. [link] [comments] |
| Posted: 01 Jan 2022 06:16 PM PST I have a TX encoder sending AV over IP to (4) RX decoders at the other end. Trying to do this over the client's network ended up completely dragging everything down in user space because the VLAN was not created properly to isolate the AV devices. Long story short, it's the holidays, and the big dog IT folk are off. I need to get these things running before opening day 1/4/22, and so now I'm playing IT guy. Got hold of a cisco catalyst 9200l, and taught myself the CLI as much as I could. Created a vlan10 in addition to vlan 1 (default), and set the vlan iface to have an IP of 192.168.1.254. Pulled the encoder/decoders off the client's network, and put them on the catalyst just standing alone. Igmp snooping is enabled, but the multicast traffic still will not flow. Can't for the life of me, figure out what setting or group of settings need to be applied in order to enable the multicasting and create a "soft" router within the switch to play the role of the igmp querier. I could be waaay off base here to begin with, but I would think getting (1) encoder to send a stream to (4) encoders would not be too terrible? Ports 1-9 are vlan10. PoE is auto and powering all (5) devices. A 6th device is used to control the encoder and link it up with the decoders. All the devices see each other, and I can ping everyone from the cisco CLI. Problem is, when I plug in the hdmi cable to the source laptop, and the EDID passes from the screens through the decoders to the encoder, the AV stream begins, and pinging anything shows severe packet loss. Plus the video never fully shows on the other end. Any tips or advice would be appreciated. In the past, it's always been IT to setup and configure the black magic on the network. [link] [comments] |
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