From: John Wong (johnwk@unimelb.edu.au)
Date: Sat Nov 27 2004 - 23:45:39 GMT-3
Hi Ian,
Congratulations on passing the written exam! You're half way there
towards attaining your number ;) (I'll be taking my lab in Sydney too).
Anyway, on your lab setup, I've not setup E1 for FR before so I can't
comment on that. But I did setup a Linux box for access to a lab rack.
I installed Linux on a dual-NIC PC (1 to the outside world and the
other to the lab switch where all the routers & access-router are connected
to). Here's what I am using the Linux box for at the moment :-
- SSH server.
- TFTP, FTP and Web server.
- NTP server.
- syslog-ng server.
- SNMP server using Net-SNMP.
- Quangga/Zebra. So that i can run RIP/OSPF/BGP on my Linux. Of course
I don't enable IP forwarding between the external & lab interface ;)
- VLC. To stream multicast/unicast TCP/UDP traffic.
- RANCID. Together with some scripts & cron, does periodic backup of
my routers' config.
- VLAN. Enable 802.1q trunk to the internal NIC of the Linux and
you can have your PC on any VLANs setup in your switch.
- hping2. Generate any type of IP packets to test ACLs, security, etc..
Of course, you should enable iptables and stuff on your box to protect it.
Cheers.
Ian Henderson wrote:
> Hi everyone,
>
> Just a quick message of introduction. I've just passed my written exam
> here in Perth, Australia and am going for my first lab attempt in Sydney
> in April. Been doing network stuff for about six years in the ISP
> industry. Lots of dial, BGP, ISDN, OSPF, a little bit of MPLS and
> switching, not very much bridging, ISIS, multicast, etc. More recently
> have diversed into voice stuff (SS7 on the Cisco PGW2200) and DSL
> (Ericsson EDA).
>
> I'm in the middle of setting up my lab. Thankfully, I can leave this in
> the machine room in the office, rather than have exceesive heat and noise
> at home (I've already got four PC's, switch, AP and 2621 in my computer
> room at home).
>
> Most of my gear will be scavenged from shutdown POPs. This will be mostly
> 2600's with E1 g.703 cards. Has anybody used E1/T1 with crossover cables
> instead of serial in their lab? I've had this great idea of using a 5300
> with no modem cards as a frame switch - I have no idea if its supported,
> but they're just collecitng dust otherwise (we're upgrading to 5400's, and
> the failure rate of 5300 modem cards after four or five years in service
> is quite high). At least they'll be useful as fe+e+serial boxes if FR
> switching doesn't work.
>
> My other brainwave was to setup a bastion host running Linux to act as a
> TFTP server, a web server with a wiki to put my notes, a jump off point to
> get to the terminal server (2511-RJ), somewhere to run 'screen', etc.
> Anybody have any useful tools? I'm already guessing rancid, syslog,
> Net::Telnet::Cisco, script, etc.
>
> Hope to get to know you all over the next sixish months. :) Its gunna
> be... interesting, no doubt. :)
>
> Rgds,
>
>
>
> - I.
>
> --
> Ian Henderson CCNA, CCNP
> Senior Network Engineer, Chime Communications
>
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