About Me

MTIN is a full service consulting firm with over 15 years of experience. We specialize in ISP networks.  Other clients include enterprise, education, government, and SOHO.  We have Mikrotik, Cisco, and other certified engineers on staff. Our corporate page can be found at http://www.mtin.net

 

September 2010
M T W T F S S
« Aug    
 12345
6789101112
13141516171819
20212223242526
27282930  

Random Cisco NAT Tips

To view active NAT translations in the NAT table do:
show ip nat translations

To Debug nat:
debug ip nat

Clear NAT mappings:
clear ip nat [...]

  • Digg
  • LinkedIn
  • StumbleUpon
  • Twitter
  • WordPress
  • Facebook
  • Share/Bookmark
June 24th, 2010 | Tags: Cisco, configuration, NAT | Category: Cisco | Leave a comment

1:1 Nat setup with Mikrotik

Purpose: This document encompasses the procedure on configuring a 1:1 nat on a mikrotik CPE.

Definitions for the Document:
Public IP. An Internet routable IP address.
Static IP address: An Ip that does not change. This can either be a private or a public IP address.
Private IP address. A non public routable IP address.  [...]

  • Digg
  • LinkedIn
  • StumbleUpon
  • Twitter
  • WordPress
  • Facebook
  • Share/Bookmark
May 20th, 2010 | Tags: 1:1, configuration, Mikrotik, NAT | Category: Mikrotik, Networking, WISP | Leave a comment

Simple OSPF with Mikrotik RouterOS Part1-Setup

The goal of this exercise is to show how to setup OSPF between two routerboards to enable communication between two separate IP networks. In this case we want the 2 PC’s, which are on separate DHCP networks to be able to communicate with each other via dynamic routing.

Our lab setup consists of the following hardware:
-2 RouterBoard [...]

  • Digg
  • LinkedIn
  • StumbleUpon
  • Twitter
  • WordPress
  • Facebook
  • Share/Bookmark
May 17th, 2010 | Tags: configuration, Mikrotik, OSPF, routeros | Category: Mikrotik, Networking | One comment

Cisco Netflow Video

Configure Netflow [...]

  • Digg
  • LinkedIn
  • StumbleUpon
  • Twitter
  • WordPress
  • Facebook
  • Share/Bookmark
January 25th, 2010 | Tags: Cisco, configuration, netflow | Category: Cisco | Leave a comment

Cisco Tip - IPIP Tunnel

Sample Configuration for an IPIP tunnel. The IP addressed have been changed to protect the innocent.

interface Tunnel0
ip address 10.10.10.5 255.255.255.252
no ip directed-broadcast
tunnel source 192.168.253.21
tunnel destination 111.111.2.3
tunnel mode ipip
!
ip route 111.111.2.3 [...]

  • Digg
  • LinkedIn
  • StumbleUpon
  • Twitter
  • WordPress
  • Facebook
  • Share/Bookmark
December 29th, 2009 | Tags: Cisco, configuration, IPIP, tunnel | Category: Cisco | 2 comments

BGP tidbit

BGP uses TCP port 179 for [...]

  • Digg
  • LinkedIn
  • StumbleUpon
  • Twitter
  • WordPress
  • Facebook
  • Share/Bookmark
November 25th, 2009 | Tags: bgp, configuration | Category: Mikrotik | Leave a comment

Displaying BGP stats

Display all BGP routes
show ip bgp cidr-only

Display routes with inconsistent originating ASes
show ip bgp inconsistent-as

Display all BGP paths
show ip bgp paths

Display stats of all BGP connections:
show ip [...]

  • Digg
  • LinkedIn
  • StumbleUpon
  • Twitter
  • WordPress
  • Facebook
  • Share/Bookmark
November 24th, 2009 | Tags: bgp, Cisco, configuration, imagestream | Category: Mikrotik | Leave a comment