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Posts tagged as “Topology”

How to change ip TTL=1 on flat network for security

Working on a network at an high rise apartment complex. They have a core router/firewall acting as dhcp server and about 7 switches (all l3 switches). They have a few vlans to segment traffic based of a few things; one of the...

Using VRRP instead of XSTP

Suppose there is a ring with two routers (L3 switch) and 3 switches. All devices are configured properly.VRRP is configured on both routers and one virtual gateway is introduced to switches and their clients.

Can I disable...

What happens if I connect several switches together in a loop?

Suppose I want to network a stadium and I have 20 switches connected in a loop. My goal is to be able to connect a laptop to any of the switches and connect to the network and limit my TTL going clockwise and counterclockwise...

Is this a valid OSPF topology?

In the following topology:

every Backbone router is an ABR.
Router 2 belongs to three different areas, area 0, area 1, and area 4.

is this a valid topology for OSPF ? it works as expected and it shows no misbehavior. however I can't fi...

ACL and ACEs Query

So i'm configuring a basic network and I need to create a couple of Extended ACLs. Now my question is, does this ACE permit any TCP connection to the following subnet?

permit tcp 192.168.10.0 0.0.0.255 192.168.20.0 0.0.0.255...

Topology

 Based on my score on the survey, I believe the description fits my personality. The characteristics associated with my dimension are extroversion, sensing, thinking and…

InterVLAN Routing Plan

My network currently has 7 VLANs (2 user, 1 voice, 1 server, 2 wireless, and 1 for our networked A/V equipment). All of our switches are layer 3 Cisco Catalysts. However, we currently have a router-on-a-stick configuration - our SonicWall ...