About Sebastian Fernandez

Sebastian Fernandez · 12-02-2024

We are in the process of implementing Cisco ACI in a brownfield environment, and one of the challenges I'm facing involves replicating source-IP-based PBR from our legacy setup. In the current environment, we have two separate firewall clusters (FW-1...

Sebastian Fernandez · 02-20-2010

Hi Everyone,Just a quick question on the support for ARP optimization in SXI throttle for 6500. I know that it is listed as unsupported feature in SXH throttle.Any help is appreciated.Regards,

Sebastian Fernandez · 12-03-2024

Thank you @AshSe for the efforts of putting the topology. I reckon the logical topology was good enough to illustrate my issue. But I see the importance of putting both logical & physical. Makes total sense. Thank you for the efforts.

Sebastian Fernandez · 05-12-2019

L2 MTU don't need to match as long it is can support the L3 MTU. As long there is un-fragmented connectivity with the L3 MTU OSPF should be fine. -Sebastian

Sebastian Fernandez · 05-12-2019

This is correct/expected behavior, BGP runs a scanner process that checks for next-hop and best-routes. As soon as a better route is received, RR will announce it further to RR-clients. This has nothing to do with the age of the route in RR routing ...

Sebastian Fernandez · 05-12-2019

Hi @Ryan YC Your PBR configuration is correct and should work appropriately. The only think that I can think of is packets not getting to the right router. Can you make sure that you are using 10.99.99.10 as the gateway for the host in 10.99.99.0/28...

Sebastian Fernandez · 05-06-2019

Hi @brad8419 The two public IP space that you have are too be used as following. 1. 21.21.21.146/30 is your subnet to be configured between your router and ISP2. The other /29 subnet you have should be configured on your router for the purpose of ...

Member Since	‎08-09-2009 04:16 AM
Date Last Visited	‎12-03-2024 12:01 AM
Posts	90
Total Helpful Votes Received	184

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ACI - Selective Routing between L3Outs via PBR

ARP Optimization support in SXI

Re: ACI - Selective Routing between L3Outs via PBR

Re: OSPF MTU question with FEX Jumbo MTU

Re: BGP path selection in route reflector

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

Re: How to split mutiple public IPs from one cable source