About Huan NG

Huan NG · 06-16-2025

Hi all,I'm testing out the configuration for an IPsec VTI Site-to-Site VPN and have successfully initiated an IPsec tunnel connection between two Cisco peers (R1 & R2) as shown below. The Tunnel interface on each router is up and running.Each router ...

Huan NG · 12-19-2024

Hi all,Hope you all are doing well.I have a quick question regarding the default Vlan 1.If I choose VLAN 1 not to be a native VLAN on my switches by issuing the command SW1(config-if)#switchport trunk native vlan 100. Will the default Vlan 1 be tagge...

Huan NG · 11-21-2024

Hi all,In the interoperation environment between an MST region and a PVST region. Let's say a root bridge (CIST bridge) is elected in the PVST region. In this case, when an MST boundary switch (Ex: SW1) sends BPDUs to another switch in PVST, what bri...

Huan NG · 08-31-2020

Hi all, I have been curious on how we are able to limit a Wifi access time of users. For example, a guest user is only allowed to access Wifi for 2 hours. I'd also like to know about setting up one-time Wifi password.Is the combination of Cisco WLC a...

Huan NG · 08-19-2020

Hi all, I got an issue on accessing Virtual WLC's GUI in my home LAB network and I have been trying to figure out why for a few days.vWLC is installed on ESXi which is a apart of my VMware fusion on windows 10. vWLC's management interface is assigned...

Huan NG · 06-19-2025

Hi, yes it's resolved.Nothing wrong with config on all routers.It must be an issue with GNS3 as the lab works fine on Cisco Modeling Lab.Thanks for following up.Regards,

Huan NG · 06-16-2025

M02@rt37 Thanks for confirming. One thing I forgot to mention is that I'm testing out this lab on GNS3.It may be a GNS3 limitation

Huan NG · 06-16-2025

Hi M02@rt37 Confirming that R3 has a default route pointing to R1's F0/1, and R4 has a default route pointing to R2's F0/1But still they can't ping each other, which is strange.Any other opinions on this?

Huan NG · 06-16-2025

Hi M02@rt37 Confirming that R3 has a default route pointing to R1's F0/1, and R4 has a default route pointing to R2's F0/1But still they can't ping each other, which is strange.Any other opinions on this?

Huan NG · 06-16-2025

Hi,As per screenshot, only dynamic routes (BGP and OSPF) on R1 and R2.

Member Since	‎08-19-2020 04:17 PM
Date Last Visited	‎08-20-2025 07:10 PM
Posts	26
Total Helpful Votes Received	1

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IPSec Site to Site with VTI

Default VLAN 1

Sending Bridge ID sent from a MST region

Wifi Time Restriction

vWLC on VMware Fusion

Re: IPSec Site to Site with VTI

Re: IPSec Site to Site with VTI

Re: IPSec Site to Site with VTI

Re: IPSec Site to Site with VTI

Re: IPSec Site to Site with VTI