About carl_townshend

carl_townshend · 03-25-2026

Hi GuysProbably a common topic in todays networking, I am keen to see how people are tackling micro segmentation, particularly in OT networks.We already secure north south traffic via firewalls, but we want to go one step further and secure east west...

carl_townshend · 03-19-2026

Hi ThereIf we didnt want to stack some Cat 9300 switches to avoid any control plane disruption and we want high availability from our servers to 2 different switches, what are the options?Is ESI multihoming one of them? If so is there a basic config ...

carl_townshend · 02-25-2026

Hi AllI have set up a MG51 cellular gateway, this plugs into the WAN1 on my MX68 device and provides the MX with a dhcp IP.I added a fixed IP assignment and port forwarding so it forwards VPN traffic to the MX, however I have noticed my MX didnt take...

carl_townshend · 01-07-2026

Hi AllWe currently have some sites connected over some radio links, we run IPSEC tunnels over these radio links back to a main site. The radio links are all private addressing with a central internet breakout at our main site.If we replace a Fortinet...

carl_townshend · 12-17-2025

Hi AllWe recently ordered a cisco 8300 router, it did not take many of the commands so I had to change the licence boot level.How do the licences work with these routers, are they shipped with it or do you just change the boot level and accept the EU...

carl_townshend · 03-25-2026

Hi, it used to be but we have switched that feature off, it would have created too many ACLs and the TCAM tables on the switches would not be sufficient from what I remember.I can see some other options, VACLS, PVLANs? I did also see a solution calle...

carl_townshend · 03-20-2026

Hi, I am just looking at options at the moment, I have seen issues in the past where the whole stack crashes, I know the stack master should fail to the other switch but I have seen it not work also, maybe in newer switches its more stable but I have...

carl_townshend · 02-25-2026

Hi,its not the MG Gateway I have question on, its more how does it apply DHCP to MX, from what I can see it reserves the 2nd/3rd IP of the subnets for the MX appliances

carl_townshend · 01-07-2026

Hi what is the reason it won’t work ?

carl_townshend · 01-07-2026

HiBasically all the firewalls would sit on a private network a /24 with private WAN addresses, not carrier, the only way they will reach the internet would be via the private WAN ip, it would have a route to a central firewall, not Meraki. so all the...

Member Since	‎05-13-2005 03:24 PM
Date Last Visited	‎03-26-2026 08:49 PM
Posts	5,369
Total Helpful Votes Received	226

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User Activity

OT Microsegmentation

Port channel from server to 2 seperate Cat9k switches, ESI multihome?

MG gateway port forwarding and dhcp reservation for Meraki MX

Swapping out a Fortigate with a Meraki MX

Cisco 8300 router licence issue

Re: OT Microsegmentation

Re: Port channel from server to 2 seperate Cat9k switches, ESI multiho

Re: MG gateway port forwarding and dhcp reservation for Meraki MX

Re: Swapping out a Fortigate with a Meraki MX

Re: Swapping out a Fortigate with a Meraki MX