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Hi everyone,
We’re running a dual-hub DMVPN (Phase 3) environment on Cisco ISR 4400 routers (IOS-XE 17.9.x).All spoke routers are dual-homed — each forms tunnels to both DC-A and DC-B hubs.
Recently, several spokes lost their BGP peering with DC-A, w...
Hi,
On a Cisco Catalyst 9200L switch, under the interface connected to a modern Access Point, I’m observing some packet drops as shown in the output below.
Question:Is it a common behavior for all the ports to drop packets like this, and could we tun...
Hi,
I want to remove local username from Cisco devices via Ansible Scipt, its required interactive action once we remove local username, Scipt is not working due to 2nd line confirmation, where we manully hit enter to confirm.
e.g.:
SW Cli: (config)...
Hi,
RTR1, RTR2, and SW1 are physically connected, and there is an EIGRP neighborship established among them. RTR1 is the primary router for SW1, and RTR2 is the backup.
I set up static routes with track 500 on both RTR1 and RTR2 so that if RTR1 goes ...
Hi,
In a company where only IKEv2 is configured to form an IPSec tunnel, Pentest Test Tool (Cisco_IKE_Benigncertain scan) gave a positive response on "x.x.x.x:500 IKE Response Leak".
Question1:
in this senario: what will happen when a Responder Rout...
The issue has now been resolved. We discovered that the Hub Tunnel IP was also being advertised from one of the branch sites due to a static route configured there. As a result, DMVPN spokes were receiving the tunnel IP from both the Hub and that bra...
Hi - follow are some details:
DMVPN underlay and NHRP sessions are fully stable — all spokes show as up on both hubs.
IPSec/IKEv2 tunnels are established and remain stable without rekeying or drops.
BGP is running as dynamic iBGP over the DMVPN ov...