About ZK916

ZK916 · 01-13-2026

Hello, The company I work for is considering implementing Cisco SD-WAN and one of the design questions that came up was "could we leverage the existing Internet circuit (public Internet as the transport), use the exiting Internet edge router, and pu...

ZK916 · 09-04-2025

Hello, Our ISP requested us to ensure that we have the appropriate BiDi transceivers installed in our Internet edge routers. The transmission distance would be 40Km. I was able to find these two SFP+ transceivers that support 10GbE 40Km, however, I ...

ZK916 · 08-28-2025

Hello, If there is a deny statement at the top of a standard ACL and then there is a permit IP any any at the bottom of the list, would the rules inbetween even be inspected? Here is an example: access-list 7 deny any access-list 84 deny any acc...

ZK916 · 06-30-2025

Hello, We have couple of Cisco ASR-920-4SZ routers, which we are currently using to connect to the Internet. We are planning to upgrade the access speed to 5Gbps which will require us to use one of the 10G ports. We did purchase the appropriate lice...

ZK916 · 06-11-2025

Hello, I lack the knowledge when it comes to Voice Telecom. We have a small remote office in a location where the options to choose ISPs is very limited. There is only a single ISP in region. We need to provide have Voice services in this office an...

ZK916 · 01-15-2026

Thank you so much. This is very helpful and the answer I was looking for. Much appreciated. Best, ~zK

ZK916 · 09-04-2025

@Stefan Mihajlov ... Thanks for the reply. So, we should ask our ISP as to which type of transceiver they would use on their end (U or I) and based on their answer, we should be able to make a selection, correct? \ Best, ~zK

ZK916 · 08-28-2025

I am confused now! I originally though that an ACL is processed in a sequential order, so the first rule gets inspected first and so on and so forth. In the standard list I provided above, there are two "deny" rules at the beginning of the ACL, whic...

ZK916 · 08-28-2025

I see.. So, ACL 7 and ACL 84 won't impact ACL 184? Meaning, would those two ACLs block the ip traffic which is permitted on ACL 184?

ZK916 · 06-30-2025

@wajidhassan ... Thanks for the input. Very helpful. I will issue those commands after hours and post the results at a later time. Thanks again. \ Best, ~zK

Member Since	‎12-02-2022 04:58 AM
Date Last Visited	‎01-22-2026 09:14 AM
Posts	80
Total Helpful Votes Received	6

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Cisco SD-WAN | Edge Router behind another Internet Edge Router

Cisco BiDi SFP+| Differnece between SFP-10G-BX40D-I vs SFP-10G-BX40U-I

Standard ACL Deny Before Permit

ASR-920-4SZ | 10Gb Port Activation

Cisco 8300 | Modules to use for POTS Lines

Re: Cisco SD-WAN | Edge Router behind another Internet Edge Router

Re: Cisco BiDi SFP+| Differnece between SFP-10G-BX40D-I vs SFP-10G-BX4

Re: Standard ACL Deny Before Permit

Re: Standard ACL Deny Before Permit

Re: ASR-920-4SZ | 10Gb Port Activation