Re: Not announcing (to the greater internet) loopbacks/PTP/infra - how ?

2018-10-04 Thread Karl Gerhard
Hello Brandon, instead of not announcing it you can send it to your upstream and tag it with no-export. That way you can still see your router in traceroutes if the source ASN of the traceroute doesn't do uRPF. If you don't have a separate range from which you assign PTP/loopback addresses, bu

Re: NANOG Security Track: Route Security

2018-10-01 Thread Karl Gerhard
Hello, I just wanted to mention that NANOG is being read all over the world - as far as I know this is the biggest english speaking "NOG" mailing list... in the world. Most of the readers here will never attend a NANOG meeting and a big part of those won't attend because they live on other part

DWDM Optics cheaper than CWDM Optics?

2017-01-31 Thread Karl Gerhard
Hello, fs.com offers DWDM optics that are cheaper than CWDM optics: CWDM 80km 10G for 600$ http://www.fs.com/c/cisco-cwdm-sfp-plus-2425?70-80km DWDM 80km 10G for 420$ http://www.fs.com/c/cisco-dwdm-sfp-plus-2485?70-80km This is significant. Is this for real? Has anybody bought their DWDM optics?