Sunday, February 17, 2013

Squeeze Your Flash…

Can’t get rid of a file in flash?

Copying Multiple Config Files onto a Router

Topology

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I have several config files (about 30) for each of 6 devices – that’s 180 configs files that I don’t want to manually move over. Not only would it be exhausting and error prone, I know it would take some time to do. I want to move these to the devices so I can quickly move through some TShoot labs without having to tftp each config file for each lab individually. Doing the later would also require each device to have connectivity to the tftp server at all times – it’s just not functional. So, instead, I’d rather have all the config files for each lab already installed in flash so I can quickly “configure replace” as I move through each lab.

Monday, February 11, 2013

HSRP Troubleshooting

From: GNS3 Vault (1) Thanks to Rene Molenaar for taking the time to post these practice labs on his site.

  • Router New York, New Jersey and LA are configured for HSRP so router Host has a virtual gateway IP address.
  • Fix HSRP so router NewYork, NewJersey and LA are in the same HSRP Group and form a single virtual gateway.
  • Each HSRP router should be able to become the active router and forward IP packets from the host to the ISP.

Sunday, February 10, 2013

DHCP Troubleshooting

DHCP Troubleshooting

From: GNS3 Vault (1) Thanks to Rene Molenaar for taking the time to post these practice labs on his site.

  • Router DHCPClient1 needs to obtain an IP address through DHCPServer on its fa0/0 interface
  • Router DHCPClient2 needs to obtain an IP address through DHCPServer on its fa0/0 interface
  • Only Router DHCPServer can hand out IP’s

Wednesday, February 6, 2013

Installing SDM on a Virtual Machine and 3725 Router (GNS3)

(as a personal reference dedicated to Nanook)

The router configs for this post came from “Installing SDM” (1) YouTube video posted by "Cisco Learning Institute" (CSSIAdotORG)

I'm installing SDM-V25 (Cisco’s Security Device Manager) on a c3725 in GNS3 from a WinServer 2008 VM. I’m sure you can use an XP VM to do this. Note that SDM is EoL (End-of-Life) and is replaced (?) by CCP (Cisco Configuration Professional)… but I believe, at this time, SDM is still in the CCNA Security curriculum (?). See: http://www.cisco.com/en/US/products/sw/secursw/ps5318/index.html