About Richard Dumag

Richard Dumag · 07-22-2024

We have a dual homed internet connections with Zayo and Comcast. Zayo is the primary internet access using /24 IP address range they had assigned. We would like to setup BGP peering with Zayo and Comcast and have Comcast route the /24 IP address ra...

Richard Dumag · 02-22-2023

We are implementing two Cisco Expressways for Jabber. Our DMZ zone is fronted by the BigIP F5 LTM. Instead of creating another DMZ zone just for Jabber, we would like to put the external Expressways behind the F5 (not for load balancing) instead. ...

Richard Dumag · 06-21-2022

We have on-prem CUCM and still using PRI. We have Cisco Jabber installed on laptops that must be connected to VPN to register to CM so users can make and receive calls. We would also like for Jabber to register to CM even when not connected to VPN....

Richard Dumag · 04-15-2020

Hello,Does anyone know what IOS version supports ERSPAN on the ISR 4431? We currently version isr4400-universalk9.16.06.06.SPA.bin and it doesn't seem to have all (plim commands) for ERSPAN. Any information you can provide is appreciated. Thank yo...

Richard Dumag · 06-06-2018

Hello, We are moving data centers. We have metro ether circuit between two data center and we are using ASR routers (CE) at both locations. The ports on the ASRs connected to metro ethernet are layer 3 using 172.16.1.0/24 address range to connect t...

Richard Dumag · 07-26-2024

I do have one more question. Since we're only advertising one /24, what are the pros and cons of using full route vs. partial route? I was asked by Comcast about this (if we would like full or partial routing). And Zayo being the primary have not ...

Richard Dumag · 07-26-2024

Joseph, that's what I was thinking too since we are not an ISP and only advertising one /24.

Richard Dumag · 07-26-2024

Hello everyone! Just a quick update on this project. So Zayo will change the ASN of the /24 from theirs to our ASN. They will also handle the routing arbitration.I had setup a lab using GNS3 and used Paul Driver's suggested solution and it works. ...

Richard Dumag · 07-25-2024

Hi Joseph. Definitely agree with you. We are still in the planning stages with a lot of discussions with Zayo and Comcast to make sure we sure we have all the information and configurations needed to make this all work properly and seamlessly. We ...

Richard Dumag · 07-25-2024

Thank you Giuseppe for the explanation. Very helpful.

Member Since	‎02-23-2010 10:36 AM
Date Last Visited	‎10-07-2024 11:32 AM
Posts	136
Total Helpful Votes Received	2

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BGP peering with two ISPs

Cisco Expressway behind BigIP F5 LTM

CUBE for Cisco Jabber

ERSPAN on ISR 4431

Extend Layer 2 VLAN over Metro Ethernet

Re: BGP peering with two ISPs

Re: BGP peering with two ISPs

Re: BGP peering with two ISPs

Re: BGP peering with two ISPs

Re: BGP peering with two ISPs