About WILLIAM STEGMAN

WILLIAM STEGMAN · 04-19-2024

Why would someone choose to use vpc advertise-pip border only rather than vpc advertise-pip? I'm looking for a circumstance/example that would make you lean one direction or the other. If you have vpc facing hosts within the fabric, isn't it ideal ...

WILLIAM STEGMAN · 10-23-2023

I'm looking for reasons to use the same public ASN at two distinct datacenters vs. reasons to use unique ASNs at each. We're bringing a new datacenter online that will have a unique public address space of its own but must also advertise a /24 prefi...

WILLIAM STEGMAN · 01-24-2023

We've been looking for a way to sort of replicate the output of our IWAN monitoring of traffic classes to check which transport is currently being used and when previous switchovers between transports occurred and why. For example, in IWAN if you wa...

WILLIAM STEGMAN · 03-16-2021

I'm looking into an issue with failover not working during a recent outage on 1 of 2 CSRs used as DMVPN hub routers in Azure. The failover consists of event manager using the guestshell and invoking node_event.py scripts. This worked in the past, b...

WILLIAM STEGMAN · 07-27-2018

I see an option under the system support diagnostic-cli to run an event applet, but how is an EEM applet created in an FTD? thank you, Bill

WILLIAM STEGMAN · 10-23-2023

Richard, this hits on one aspect I'm concerned with. Each DC will have a unique prefix, but would use the same ASN. Could the DCs communicate with each using their unique prefixes without issue even though they have the same ASN, or because they're...

WILLIAM STEGMAN · 10-23-2023

So using the same ASN at each DC fits better for an active/active design then. That makes sense. Based on Richard's post though, I suppose there isn't much harm in employing the same ASN if at some point the desire and design changes and we want to...

WILLIAM STEGMAN · 10-23-2023

Each DC has a unique prefix, but the DR DC should be able to advertise the prefix used by the primary DC if the primary DC goes offline. Similar to Richard's post above.

WILLIAM STEGMAN · 01-25-2023

thanks Dan. This is a good lead. We can work on building out some dashboards or processes using APIs.

WILLIAM STEGMAN · 01-24-2023

Thanks Dan. Yeah, that gets us part of the way. We know what the current path is, but I was hoping to find something that would also tell us the last switching paths and the reason for the switch, similar to how IWAN provided that info. For exampl...

Member Since	‎10-16-2004 12:00 PM
Date Last Visited	‎04-23-2024 08:03 AM
Posts	526
Total Helpful Votes Received	64

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vpc advertise-pip versus vpc advertise-pip border only

Same BGP public ASN at two datacenters

Monitoring path changes for traffic classes in SD WAN

/dev/loop3 partition 100% in use

Firepower threat defense and EEM

Re: Same BGP public ASN at two datacenters

Re: Same BGP public ASN at two datacenters

Re: Same BGP public ASN at two datacenters

Re: Monitoring path changes for traffic classes in SD WAN

Re: Monitoring path changes for traffic classes in SD WAN