trying to figure out how to demonstrate a prefix hijack on BGP. Im not wanting it super simple something life like. seen alot of information on but nothing on CISCO configs.
Forum Posts
It's been 10 years since I've worked with IOS so I'm back to being a beginner and would really appreciate any advice you can offer to help with the issue - "not routing to the internet" Network setup is: 1 VLAN for internal services (101) associated ...
I am running 2 VRF's between a CE and PE*VRF's name: DATA and SECURITY*In the PE - I do route leaking (Importing the routes in each VRF).*In the CE, I expected the DATA routes in the SECURITY table and I expected the SECURITY routed in the DATA table...
Resolved! OSPF cost on SVI
Say I have a 20Gbps L2 Port-Channel (2 x 10Gbps member) and I want to run OSPF peering using SVI on top of the Port-channel. Does OSPF calculate the cost based on 10Gbps, 20Gbps OR SVI as 1Gbps? I did set the reference bandwidth as 10G. When I check ...
Resolved! Routing problem with packet tracer
Hello everyone,I'm learning the ropes of networking with packet tracer and I need a little help.Here the sample network I've been working on.I have a LAN with some VLANs connected to a router on a stick, cisco 2811. No problems on this end.That route...
We had a crash and restart on the 7513. After the router was restarted, some static routes were dissapear so we had to use a backup config to get that routes again. I see in the logging probably a PS is failing, but there are lot of more messages. An...
Hi all, I'm currently experiencing Network Problems between two Datacenters which i can't make sense of. I banged my head for days on this. About the Setup: Datacenter in Germany has a Cisco ASA 5525-X (9.8.4.32), US Datacenter has a Cisco ASA 5516-...
Resolved! ASR1000 - Bridge Domain Interface
Hi all , I'm a litle bit lost regarding bridging vlan on my router ASR1111 (IOS-XE, no more IRB support).I have read about BDI, and i'm trying the get a grasp of it. The point is I would like to bridge vlan through my router on specific interfaces fo...
Given the topology attached, is it possible to create a route reflect cluster between the two MPLS routers via different providers? My issue is I need to mesh the BGP between both MPLS routers.
Can anyone help find some documentation on some bgpsec configuration. Struggling to find proper documentation to help with syntax etc with bgpsec config on CISCO routers. Any help appreciated have looked all about the internet but can't find anythin...
HiI built an EEM menu into my routers to expedite results. Currently -below- is my IPSec MENU. This EEM script is 4+ pages long and thus would like to modularize the menu into separate modules for ease of updates and any EEM troubleshooting. In my a...
Resolved! BGPSec / BGP RPKI configuration
Can anyone help me to find some examples or lab books which include bgpsec AND bgp with rpki. I have searched the internet and cannot find anything to help me start my experiments for my dissertation. Any help is appreciated, finding loads of inform...
We have added an IP security camera at our office that can be viewed from the outside on a mobile device. I'm not comfortable leaving this up for too long without some type of separation from our office network LAN. What would be the best way to onl...
Hi,I have a router that has a Tunnel0. This has an IP address visible in show ip interface brief. However, when I issue the command show run interface Tunnel0, it has no configuration at all on the interface. However, when I issue the command show...
Resolved! Layer 3 from vlan to port
HiI am trying to get my head around layer 3 switch routing and am missing the link between vlans and ports.I'm configuring layer 3 with SVIs.My switch is an SG250-08HP. I have exec IP routing.I have added a vlan 10,20 with no shutdown and the switc...
