Routing

Hi Team, Need to not send/receive anything from particular ISP BGP neighbour we  have 2 internet circuits already and considering the capacity in future , we are adding the 3rd circuit but just we wanted to activate the 3rd circuit and need to monito...

Hi All, All devices within both subnets are reachable across both subnets but each subnet can only reach it's own interface gateway, we require to have reachable gateways across subnets. For example;1) subnet-1 can reach subnet-1 gateway but is unabl...

 Have a BGP routing/advertising question involving implementation of multiple default routes via BGP without getting the ISP involved in metrics. ISP is providing MPLS for Full mesh between all remotes sites, Data Center, and Corporate HQ site. I hav...

I can't get L2TPv3 to work from the SM-X backplane interface on an ISR 4K (4331/4451).The tunnel/session both show established, but no egress packets are being sent.The same configuration works fine if I move the xconnect to a dot1q subinterface on o...

So I ran into a weird issue this week. I am running a Cisco ASR 1002 and I am trying to set up BGP blackholing by using uRPF. I set it up and it worked great in my test environment, but for some reason, it is not logging or showing acl hits on the ac...

Hello,We got one couple 4500x in vss with this release IOS XE Release 3.4.6SG and one couple of 6800 also in vss. We configured a span with source the port-channel that connects the switches going to a security appliance. The ospf neighbor went down ...

Hey guys,Please can someone help me check out why my OSPF is not working. Nothing comes up when a do sh ip route / ospf. I've changed the ospf area several times, used the 0.0.0.0 ip configuration and still doesn't form adjacency nor see other neighb...

I am trying to configure wccp on a cisco 9400machine but the traffic is not seen the proxyteam is a fortipoint

We had major Network outage on April 9 and 10th due to HSRP failover on our distribution layer Nexus 7k switches. Few Nutanix hosts were unable to reach their gateway and as a result multiple applications that hosted these Nutanix environment were af...

On ISR2900 router as well as Catalyst switch's boot process can be interrupted using CTL-C, and device goes ROMMON prompt. However, ISR4000 router such as ISR4431 does not wait or prompt when to send the interrupt during the boot process. Tried press...

I am preparing for exam and I was doing some EIGRP lab and I have a few questions.I have created the topology which is attached . However since the link speeds are different I am not sure why the Eigrp neighbor relation formed as the k values change ...

Hello,in this guide: https://www.cisco.com/c/en/us/td/docs/ios/12_0s/feature/guide/fsldpsyn.html#wp1053852i have found out that: The MPLS LDP-IGP Synchronization feature is not supported during the startup period if IGP NSF is configured.  My questio...