[f-nsp] Pasting long configs using Console to MLX

Mike Leber mleber at he.net
Sun Jun 10 02:45:14 EDT 2007


On Fri, 8 Jun 2007, Morten Isaksen wrote:
> You could use TFTP.

Does TFTP support sending just partial config changes to do things like
add customers addresses or BGP sessions to routers?

(Also, we don't allow SNMP write communities anywhere on our network due
to repeated and numerous ASN.1 holes.)

Mike.

> Either download the config from the switch via TFTP or make the switch
> upload the config file to a TFTP server. You can do this with SNMP.
>
> 
> On 6/8/07, Chris Gauthier <cgauthie at pcc.edu> wrote:
> > Ahh, I'm not feeling so bad now...
> >
> > I've got a nice perl script that telnets to my foundry equipment and I am
> > supposed to convert it to SSH.  I noticed I was having problems.  It's
> > because of their lack of support for commands?  Any suggestions on how I
> > might script nightly backups of the switch configs via a perl script, but
> > not using telnet?
> >
> > Chris Gauthier, CCNA, Network+, A+
> Network Administration Team
> Portland
> > Community College
> Portland, Oregon
> 
> "For once you have tasted flight you
> > will walk the earth with your eyes turned skywards, for there you have been
> > and there you will long to return."
> --Leonardo da Vinci
> >
> >
> > Mike Leber wrote:
> > On Cisco's you could rcp the config changes and it worked great.
> 
> We've been
> > pushing Foundry to implement some variation of this
> functionality for scp,
> > as well as the RFC specified behavior of ssh for
> remote command execution
> > that Foundry left out (what would be equivalent
> to the Cisco rsh
> > ability).
> 
> Both of these are vital to managing large numbers of routers via
> > scripts
> from unix boxes.
> 
> If you care about either of these, please please
> > please bug your Foundry
> rep.
> 
> We just need the equivalent of rcp and rsh
> > under IOS, great if its done
> with ssh.
> 
> tcl and expect only go so far, and
> > are a hell of a hack (sure we've
> wrappered it, still...).
> 
> Mike.
> 
> On Mon, 4
> > Jun 2007, Piper, James wrote:
> 
> 
> > We experienced an issue when long config files were pasted directly
> > or
> indirectly (via console server) onto a MLX.
> 
> We did the following:
> 
> The
> > same config was cut and pasted to the Foundry NetIron MLX via a
> console
> > server and then later directly to the console port. The config
> in question
> > was a long MPLS IP/BGP config.
> 
> The switch can't keep up with the commands
> > and somehow the text gets
> garbled. What was worse was that some of the
> > garbled text got
> interpretted as commands by the switch.
> 
> We tried a
> > variety of flow control settings: none, hardware and
> software. Hardware
> > doesn't seem to work at all. None and software work
> but both produce the
> > same broken results.
> 
> There seems to be no solution to this. It is believed
> > that this issue is
> due to a limited buffer on the console port. Don't risk
> > it, TFTP it!
> 
> James Piper.
> 
> 
> 
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> 
> -- 
> Morten Isaksen
> http://www.misak.dk/blog/
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