Hello everyone, Topology and config: https://i.imgur.com/XTlMEKk.png My perimeter firewall is having bgp neighborship with Singtel-ISP. Also per-fw is connected to internal routers (CORE-R1 & CORE-R2) and per-fw configured with two default route with...

Hello everyone, I tried lot of troubleshooting and couldn't come up with solution. Both my routers are showing hsrp active for group 10.All interface of both switches are in trunk(encapsulation is dot1q). EDGE-R1 cannot ping EDGE-R2 subinterface ip a...

Hello Team, I have formed vPC over Nexus-9K and there is one arista downstream switch connected to vPC members like below. Port-channel between arista and vpc are in trunk mode and lacp is set to active-active on both (vPC & downstream SW) . I have c...

Hello,I understand that DH is used to generate a symmetric key over a unsecure channel, it is needed to send algorithm over a unsecure channel. Below is my question:R1------Internet------R2 For eg R1 & R2 negotiate on pre-defined key 10.Then R1 gener...