About Paheeradan Nagulan

Paheeradan Nagulan · 03-15-2025

Experts,We have a Cisco 8300 router(C8300-1N1S-6T Chassis) that is configured with a BDI interface(gi0/0/1 and Gi0/0/2). Those two interfaces are connecting a VPC switch on the other side(Nexus 9k).When the C8300 connects to one Nexus 9k, it is worki...

Paheeradan Nagulan · 03-14-2025

Experts,I'd like to get your thoughts regarding mac address I/G bit and U/L bitI understand I/G Bit 0 - unicast and I/G Bit 1 = Multicast/Broadcast.What is the use of that?1) Does switch solely look at the bit and say whether "1" is there, then it wi...

Paheeradan Nagulan · 03-05-2025

Experts,We have a Cisco 8300 router(C8300-1N1S-6T Chassis) that is configured with a BDI interface(gi0/0/1 and Gi0/0/2). Those two interfaces are connecting a VPC switch on the other side(Nexus 9k).1)From the Nexus 9k point of view, does that think t...

Paheeradan Nagulan · 02-28-2025

By splitting up the OSPF areas, I understand we are reducing the Type 1 and Type 2 LSAs in an area. But Type 1 LSAs are regenerated as Type 3 LSAs and flooded into the other area. So in terms of sizing, is that really reducing the sizing of the LSDB...

Paheeradan Nagulan · 02-20-2025

In Auth mode, I understand the user's password won't be shared as a plain text between the NMS and Client for authentication. The password will be used to create a hash value which will then be shared to the other device for authentication. I couldn'...

Paheeradan Nagulan · 03-18-2025

@Joseph W. Doherty , Wow, that's pretty cool how they did back then. I learned something new from you. Thanks for sharing that info. Appreciate it!

Paheeradan Nagulan · 03-18-2025

Hi @Giuseppe Larosa , Yes, it makes sense. Let me read the Vpc white paper. The interesting part is we have another c8200 that is connected to the same nexus 9k and it is working fine. So that's why we should this would be work. Thanks for commenting...

Paheeradan Nagulan · 03-18-2025

Hi @Joseph W. Doherty ,The interesting part is we have another c8200 that is connected to the same nexus 9k and it is working fine. So that's why we should this would be work. I thought in VPC, if the vpc gets a member frame via a peer-link, it would...

Paheeradan Nagulan · 03-18-2025

Thanks @Mark Elsen. Let me check it out.

Paheeradan Nagulan · 03-16-2025

Hi M02@rt37 ,Po4 is the one that connects to the c9800 device. On R2, the link is down since we shut down on the 9800 side and R1 is the link is up.Here is the output on R2show spanning-tree vlan 2VLAN0002Spanning tree enabled protocol rstpRoot ID Pr...

Member Since	‎01-23-2025 06:13 AM
Date Last Visited	‎10-23-2025 05:11 PM
Posts	41
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BDI CPU punt issue

Use of I/G bit and U/L bit in MAC address

BDI spanning-tree issue

Does splitting the areas in OSPF reduce the size of the OSPF DATABASE

How does SNMPv3 authentication work

Re: Use of I/G bit and U/L bit in MAC address

Re: BDI CPU punt issue

Re: BDI CPU punt issue

Re: BDI CPU punt issue

Re: BDI CPU punt issue