Appliance used

[tev-oo]

Hello, which appliance did you use on GNS3 to send your scripts to the routers? Because I encountered issues using the Network Automation Appliance.

[NGMunia]

Used Ubuntu Virtual machine with visual code installed. But make sure you install libraries. You can also use Windows vm

[tev-oo]

Ok thanks, I'll run using Ubuntu.

[tev-oo]

Hello, Anthony can help troubleshoot a network issue?

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On Wed, Aug 16, 2023 at 9:56 PM Anthony Munia @.***> wrote:

You can also use Windows VM

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[NGMunia]

WHICH?

[tev-oo]

It is not this lab, but for example I have a router that currently has a public IP assigned to it by the ISP. I want too add another ISP as backup for redundancy. How should I go about doing this?

On Wed, Sep 6, 2023 at 5:05 PM Anthony Munia @.***> wrote:

WHICH?

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[NGMunia]

Use a floating static pointing to the backup ISP (default route with a higher AD)

[NGMunia]

You can also incorporate IPSLA with object tracking for automatic switchover to the backup isp should the internet not be reachable via the main isp

[tev-oo]

IPSLA Ok I will check this out, What about using the BGP protocol

On Thu, Sep 7, 2023 at 7:10 AM Anthony Munia @.***> wrote:

You can also incorporate IPSLA with object tracking for automatic switchover to the backup isp should the internet not be reachable via the main isp

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[NGMunia]

If connectivity is used for basic Internet connection e.g browsing no need usingBGP. Use static routes, but if you are offering services in your organization for which need to be accessed via Internet, e.g hosting Web servers for clients then you need BGP.

[tev-oo]

So find a way to set up static routes on the edge router instead of using BGP Ok can we continue on this thread or you can send me your email address

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On Thu, Sep 7, 2023 at 10:12 AM Anthony Munia @.***> wrote:

If connectivity is used for basic Internet connection e.g browsing no need of BGP. Use static routes, but if you are offering services in your organization for which need to be accessed via Internet, e.g hosting Web servers for clients then you need BGP

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[NGMunia]

melvinoxl7@gmail.com

[NGMunia]

Sample config: cisco router

Ipsla: This is used to test reachability of a destination address by use of but not limited to icmp probes.

Example on your main isp connection:

Ip sla 1 Icmp-echo (destination-ip) source-ip (your ip add) Ip sla schedule start-time now lifetime forever (This command will send icmp probes always)

Then you can associate this sla configuration with object tracking. Object tracking will aid in switch-over

Commands: Track 1 ip sla 1 Delay up 10 down 10

(The command delay up 10 down 10 means that if the link goes down/up, the router will wait for 10 seconds before switching. This takes care of link flaps to prevent instability or frequent changeovers)

Ip route 0.0.0.0 0.0.0.0 (isp1-gateway) track 1 Ip route 0.0.0.0 0.0.0.0 (isp2-gateway) 10

The second static route (floating static) has a higher AD therefore its not added in the routing table.

The first has a lower AD and is in the routing table but this is dependent on the Object track configured