On Mon, Nov 25, 2013 at 5:18 PM, Pedro Cavaca <[email protected]> wrote:
> > > > On 25 November 2013 23:42, David Birdsong <[email protected]> wrote: > >> On Nov 25, 2013 1:51 PM, "Jason Pope" <[email protected]> wrote: >> > >> > ------------------------------ >> > Message: 2 >> > Date: Sun, 24 Nov 2013 18:47:09 -0800 >> > From: David Birdsong <[email protected]> >> > To: [email protected] >> > Subject: telnet into a netgear switch? >> > Message-ID: >> > <CAOMvUQfeM_Wnc= >> [email protected]> >> > Content-Type: text/plain; charset=ISO-8859-1 >> > >> > Hey all, last night while at the datacenter I was in a pinch to extend a >> > rack's LAN. I compromised and ran out to the local Fry's to buy whatever >> > switch I could find so as to allow some configuration to happen while >> > we wait for the real network gear to show up. >> > >> > I left before confirming I could access the switch remotely; it was very >> > late and I was pretty groggy and hey, any network gear has to be >> > telnet'table this day and age. Of course I was mostly wrong. >> > >> > The switch expects some signed payload before allowing a telnet >> through. I >> > found this: https://code.google.com/p/netgear-telnetenable/...but I'm >> > having a hell of a time getting anything to respond. >> > >> > The most confounding part is the switch doesn't respond to a single SYN >> > packet on low ports. I'm scanning all the ports now, but if nothing >> shows >> > up, I'm not sure what a payload is good for if the switch doesn't ACK a >> > single SYN. >> > >> > I'm curious if anybody's got any tips besides not using Netgear in the >> > datacenter. >> > >> > I have the MAC, I've IP'd it via DHCP, and the model number: JGS524E >> and I >> > can power cycle the switch as much as needed. >> > >> > >> > P.S. long time listener, first time caller. i'm more of a sysadmin >> > dangerously standing in for a proper network person. >> > ------------------------------ >> > >> > Seems to me that you need to use their "Switch Configuration Utility" to >> > manage the switch. I didn't read all the documentation, but that is >> what >> > jumps out at me after a brief look. Maybe it will allow you to enable >> > telnet or ssh from there. See the following link: >> > >> >> No windows box handy, nor the desire for that hoop. >> >> ...but what magic is a windows app going to perform to wake up an >> unresponsive TCP stack? >> > > In view that the application needs to be run directly on the LAN, I'm not > sure why you'd expect any TCP/IP like protocol - I asked a friend for a > packet capture and it seems that the configuration utility is using RRCP ( > http://en.wikipedia.org/wiki/Realtek_Remote_Control_Protocol). > > t'was finding this that made reassured me towards TCP/IP: https://code.google.com/p/netgear-telnetenable/ but yes, i'd completely forgotten about other protocols. HTH > > >> > http://downloadcenter.netgear.com/en/product/JGS524E >> > >> > Jason >> > >
