Data Center Switches

Hi,I just begin some tests with VXLAN. I have no problem to create VXLAN and communicate between 2 N6K switches.I can create an SVI on one switch to be the default gateway as well. But when I try to configure HSRP or VRRP on both switches to have a r...

Hello I have a pair of 7k switches which are still running sup1. Unfortunately one faced a sup switchover without any particular reason or withouth a core dump. The only logs I found, except the onces informing that tah switchover take place, are as ...

I'm using the Programmability chapter of the Catalyst 4500 Series Switch Software Configuration Guide to PXE-boot a C4500X-32. I've successfully booted from a tftp image, and I successfully had a startup config file and a script  downloaded. These ar...

Hi,Could you please tell me if there is a restriction to use 9300 downlink ports to configure vpc-peer-link and DCI-vpc ? Indeed, I don't have the right QSFP to use uplinks.Thank you,Regards,Samy

Hi, This is question is for all switches in  NX-OS our current network is N2K--->N5K--->N7K (all vpc and layer 2) , gateway is N7K or upper layer firewall after N7K) We are not moving to ACI,We are keeping on the NXOS mode. As Cisco has replaced Nexu...

Hello Frds , I am having 3 question regarding vxlan. 1. In 5600 when we use vpc + vxlan i.e anycast vpc so what i learned that we need to have nve peer link concept otherwise traffic going from peer link will removed vxlan encap. I need a scenario wh...

Hi,This is a pair of N9Ks, and at the moment we have three different links between the two switches, VPC Keep Alive is a dedicated L3 link between two of the normal network ports.  In addition there's a VPC Peer Link as a port channel with two member...

Hi.I need to know if the N9K-M6PQ module supports Fex connections.I have an N9K-M6PQ module installed on a Nexus N9K-C9396PX, but I'm not sure if this module supports Fex being connected to it.Thank you.

Hi All, We Recently upgraded the Nexus OS 6.2(16) to NXOS 8.2(5), after upgrade one for the command under OSPF got removed after the upgrade (# max-metric router-LSA on-startup wait-for BGP BGPTAG ) and we tried to add above command manually but foun...

Hello, ¿does anyone know if changing the power redundancy mode from ps-redundant to redundant in a Nexus 7706 requires a reboot? Thanks.

what are the advantages and disadvantages of Straight-through FEXs over Dual-homed FEXs and vice versa? 

I want to make the password 3 characters in Nexus 3K.Is there a way?? PS_OA_NX_BB_1(config)# username admin password ndsWARNING: Minimum recommended length of 8 characters.WARNING: Password should contain characters from at least three of the followi...

I am wondering if this is ok to have on the FIs in end host mode with uplinks to a vPC pair, an additional ethernet uplink to a backup switch. This new switch is to ensure that if the nexus vPC peer fails for any reason or requires downtime for an up...

Hi ,Looking for a Cisco Nexus 9300 (40G port) using as a FEX Aggregation switch in NXOS mode.Cisco has announced N5696Q as EOS/EOL May 2021, and recommended to use N9K-C9364C-GX  (40G ports) as replacement.But this switch cannot be a parent switch fo...