About Oh Drother

Oh Drother · 08-11-2025

Hi,I have been researching for days now, and continue to hear differing opinions when it comes to L3 SVI's and dynamic ARP inspection.I understand that DAI is an ingress security feature which looks at the DHCP snooping binding table in order to veri...

Oh Drother · 07-08-2025

Hi,I have been struggling all day in an attempt to get mlabbe/iperf3 installed on a 9300 running 17.3.5 using advantage.So far, I have tried saving the image using docker save which defaults to the "oci-archive" format (uses blobs) as well as using p...

Oh Drother · 05-27-2020

Hi all, I was hoping for some insight regarding an issue I have been experiencing when peering OSPF via IP unnumbered. As per the Nexus 9k documenation, I have added the ip router ospf 100 area 0.0.1.146 to both the physical interfaces on 7236/cores,...

Oh Drother · 05-21-2020

Hi all, I was hoping for clarification regarding the OSPF database, with respect to the topology above. Both cores have type-7 LSAs coming from the directly redistributed subnets at 7236 site, which they then turn into type-5 LSA's. I'm confused as t...

Oh Drother · 04-15-2020

Does anyone have any insight on why I would be able to successfully ping a loopback address, but cannot successfully traceroute to it without the last hop timing out? I am not using any ACLs/NAT/Firewalls in this test. Example topology:R3<->R1<->R2R1...

Oh Drother · 07-09-2025

Here is what I discovered:If I use the latest version of Docker and save the mlabbe/iperf3 it will save it in OCI format (blobs folder in .tar file). This doesn't install for me on 17.3.5If I use legacy version of Docker (4.9.1) and save the mlabbe/i...

Oh Drother · 07-09-2025

Thanks for the replies. I know for a fact that the issue isn't with the actual app-hosting configuration because I am able to take an old iperf3.tar file from 2021 and it installs successfully. I already went through disabling app-hosting verificatio...

Oh Drother · 05-21-2020

This is likely one of the best in depth and precise answers I could have ever hoped for. Thank you so much!

Oh Drother · 04-18-2020

Sorry about that. Show IP int lo101 is below: R2#show ip int lo101Loopback101 is up, line protocol is upInternet address is 2.2.2.2/32Broadcast address is 255.255.255.255Address determined by non-volatile memoryMTU is 1514 bytesHelper address is not ...

Oh Drother · 04-17-2020

Sure: R2#show ip int g1GigabitEthernet1 is up, line protocol is upInterface is unnumbered. Using address of Loopback101 (2.2.2.2)Broadcast address is 255.255.255.255MTU is 1500 bytesHelper address is not setDirected broadcast forwarding is disabledMu...

Member Since	‎04-26-2018 01:48 PM
Date Last Visited	‎08-07-2025 01:04 AM
Posts	14
Total Helpful Votes Received	1

User Statistics

User Activity

Dynamic ARP Inspection On SVI

Unable to Install IPERF3 via App-Hosting - Mandatory Layer Missing

OSPF Peering Via IP Unnumbered Sourcing Loopback - Not Added In DB As A Type-7?

OSPF Type-5's preferring to be advertised from BDR in OSPF DB?

Final traceroute hop failing

Re: Unable to Install IPERF3 via App-Hosting - Mandatory Layer Missing

Re: Unable to Install IPERF3 via App-Hosting - Mandatory Layer Missing

Re: OSPF Type-5's preferring to be advertised from BDR in OSPF DB?

Re: Final traceroute hop failing

Re: Final traceroute hop failing