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I was just having a discussion on one of Orhan Ergun’s posts on LinkedIn about “no dns lookup” vs “transport preferred none” in a #Cisco #IOS configuration. I thought it deserved a wider distribution, so here I am.

Lots of folks disable name lookups on Cisco IOS boxen to prevent the device from attempting to resolve mistyped commands as host names. Unfortunately, this disables name lookup for •all• functions on the device, which can break a few important things.

Rather than disabling name lookups entirely, I recommend turning off the device’s default behaviour for mistyped commands, which is to treat them as host names and to connect to them via telnet or rlogin, which can include a name lookup.

Configuring “transport preferred none” on the con and vty lines will give the device no transport protocol to use for such connections and it won’t bother to try, eliminating the name lookup problem with mistyped commands while preserving lookups for other functions.

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June 14–19 • Richmond, Virginia

Whether you're a packet analysis pro or just getting started, SharkFest is the place to sharpen your #Wireshark & #Stratoshark skills, learn from world-class instructor & connect with the community.

- Hands-on workshops
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- Keynote from Vint Cerf
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Register now & be part of the packet party: sharkfest.wireshark.org/sfus/

🎶 please, oooh please, just tell me no.. 🎶

It's 2am and I just want one thing
a strong, handsome, sexy pair of SFP+
in a 10G ethernet switch, RISC-V cores
mod'able, jtag'able, RTOS'able, oooh yes

... so... in all seriousness, there have been lustful hardware-acquisition eyes on this pretty little design since its pre-release marketing materials hit the English speaking OSS internet, and have been watching from afar as its reviews came through, patiently.

I'm not one to say that tonight is the right time to buy a pair, but it's not NOT the right time to buy a pair of Milk-V Vega switches.

Main:
- milkv.io/vega

Detailed Community Review:
- Getting an overview of Vega Basics
- community.milkv.io/t/getting-a

*note: I am particularly aware of its limitations, do not expect a production grade switch, mostly want more risc-v hardware to develop with, and general messing around