My Techie Guy

Thursday, August 13, 2015

Observium - Network Management and Monitoring - Another Great Free tool to Consider

Observium - Another great free network monitoring tool to consider if you are on a search for one. I already finished setting up cacti but will definitely try Observium for my next client. Can't wait to take it for a spin!

Observium - Network Management and Monitoring

Wednesday, August 12, 2015

Quick Check - Simple CISCO NAT Configuration

Refer to the network layout below:

Configuration:

Note:- Replace the private IPs at the p2p with the public IPs supplied by your ISP.

Replace the public dns 8.8.8.8 with your ISP DNS(s)

interface GigabitEthernet0/0

description Connects-to-ISP-router

ip address 192.168.201.2 255.255.255.252

ip nat outside

ip virtual-reassembly in

end

interface GigabitEthernet0/1

description Connects-to-LAN

ip address 192.168.1.1 255.255.255.0

ip nat inside

ip virtual-reassembly in

duplex auto

speed auto

end

interface Loopback1

ip address 192.168.1.200 255.255.255.255

ip route 0.0.0.0 0.0.0.0 192.168.201.1

ip nat inside source list my-access-list interface GigabitEthernet0/0 overload

ip access-list extended my-access-list

permit ip any any

ip dhcp pool my-office-dhcp

network 192.168.1.0 255.255.255.0

default-router 192.168.1.1

dns-server 8.8.8.8

lease 7

If you have any questions! Please leave a comment.

Friday, August 7, 2015

Quick Check Juniper-Junos "Disable and Enable vlan interface"

This command does the same thing as Cisco's "shutdown" and "no shutdown" interface commands:

> edit
Entering configuration mode

# set interfaces vlan.231 disable
# commit
# exit
Exiting configuration mode

>
> show interfaces vlan.231 terse
Interface Admin Link Proto Local Remote
vlan.231 down up inet 10.0.23.1/28
# delete interfaces vlan.231 disable
# commit
# exit
Exiting configuration mode

>
> show interfaces vlan.231 terse
Interface Admin Link Proto Local Remote
vlan.231 up up inet 10.0.23.1/28
>
>