About Ryan YC

Ryan YC · 05-18-2022

Hi, My company is having a routing or load-sharing problem so I hope you can help me. The following diagram is the current situation: I don't know when the direct layer 2 connection between SW1 and SW2 went down, the link is a 20km fiber connection b...

Ryan YC · 04-19-2020

Hi Guys, I need some tips for the Cisco Anyconnect and DNS problem in my office. Environments:Cisco ASA 5515-X 9.12(2)9Cisco AnyConnect 4.2.03013Windows 10 1903 My organization has over 10 Forward Lookup Zones on the global DNS servers, one of the do...

Ryan YC · 05-11-2019

Hi Guys, I'm suffering a problem that about PBR and VLAN Interface on the Catalyst C9300-24UX, Cisco IOS XE Software, Version 16.06.03. My question is, I created a route-map and access-list as my PBR configuration, and then applied on VLAN 1, but the...

Ryan YC · 08-17-2018

Hi Guys, Recently my company purchased 2 Cisco Catalyst 9000 switches with DNA Advantage software license, I noticed the DNA Advantage software included Encrypted Traffic Analytic(ETA) feature, but we don't have any NetFlow collector like StealthWa...

Ryan YC · 07-09-2017

Hi Guys, My customer has 2 Cisco TelePresence device SX10 and SX20, both are registered to their Cisco VCS, 2 devices works well, only a problem that the timezone always back to default setting, even through I changed it to correct, it will change b...

Ryan YC · 05-19-2022

Thank you for helping! Unfortunately, we cannot remove the connection and connect between SW3 and SW4, as the switches are layer 2 switches (Cisco IE3000 series), and due to the distance issue, we cannot make the engineering very easy. The VLAN Inte...

Ryan YC · 05-19-2022

Hi Richard, Thank you for helping! You are right. The disconnection between SW1 and SW2 is the fundamental problem (Sorry I haven't explained it well). We wouldn't like to make any changes to the physical connections because the engineering will tak...

Ryan YC · 04-25-2020

Sorry for the late response. I read the article and followed the below section but I couldn't find the cause. As far as I know, everything works on the LAN, so I was wondering if I missed some configuration on the Firewall. I think I will find a goo...

Ryan YC · 05-12-2019

Ryan YC · 05-12-2019

Hi Georg, I changed the wildcard mask in the access list, but the issue still same :( This's my current only ACL in the route-map on the Interface VLAN 1:'access-list 110 permit ip 10.99.99.0 0.0.0.15 192.168.56.0 0.0.0.255' However after I applied t...

Member Since	‎12-03-2012 11:37 PM
Date Last Visited	‎05-25-2022 12:02 AM
Posts	33

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User Activity

EIGRP or CEF load-sharing question

DNS resolving issue with Cisco AnyConnect VPN

PBR doesn't work on Catalyst 9300 ( VLAN Interface)

Question about Encrypted Traffic Analytic and StealthWatch

SX10 and SX20 timezone issue

Re: EIGRP or CEF load-sharing question

Re: EIGRP or CEF load-sharing question

Re: DNS resolving issue with Cisco AnyConnect VPN

Re: PBR doesn't work on Catalyst 9300 ( VLAN Interface)

Re: PBR doesn't work on Catalyst 9300 ( VLAN Interface)