Routing between two routers with serial interface E1 Hello good afternoon community, I would like to obtain some reference on a problem that I have in a network topology.You have two routes in router 1 I have configured a call manager with two IP pho...
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Our IP address is on the block list on the www.talosintelligence.com, how do we get out of it?
Resolved! CDP mismatch
Hello, I am trying to just connect two layer 3 switch together where int e0/0 and e0/1 is set as trunk port and e2/0 as access port of vlan 10 in both switches. After configuring this I always get this error message and I want to ask is this a big is...
Hi Experts, Just testing out the simple theory... I could not figure out why a route was missing from the ABR's routing table : Could anybody please shed light for me: I understood the theory that said : [ when you place the Area Range command...
Hello, Is there any limitation on number of VRF's supported on C8300-1N1S-6T? Also what is the WAN speed supported on this router in NON -SDWAN mode? Tks, Raghavendra
I am planning to deploy a spanning tree loop between 2 of my Layer 2 MPLS routers and am looking at the "l2protocol forward" combined with "xconnect" to do so. However, I have some questions about how this works 1. So I already have a Layer 2 ...
Hi, I've a project, our customer is going to replace his old MPLS running Customer Edge routers to newer version, 2951 to 4431.i was wondering if this is possible I can take configuration backup from 2951 and restore it to directly on 4431?? I doubt ...
Resolved! BGP default-information originate
Hi BGP experts, How does default-information originate advertise default route ? We have lots ISPs and we are only asking those ISPs to advertise default routes to our network. We are connected to ISPs using eBGP. One of our ISP router advertise ...
Resolved! Cisco Switch 9300 VRF
Good afternoon, I am currently trying to understand the nuances of making loopback testing for a Cisco 9300 Switch coming from a Cisco 3850. Below I have listed the series on commands used when performing a loopback test on a 3850 Switch. Would s...
Resolved! Enabling routing - OSPF
Hi all, i am hoping to get your assistance ... we have a flat network where EVERYTHING runs on VLAN1, even to CE interface - oh boy! please forgive me in advance as i am not very familiar with routing... presently, i have a c9200 switch, our CE con...
Hello, The ISP I work for is having challenges with implementing the enforce-as-first disable configurations with an internet exchange. We have an RR setup for our BGP core. This command has been successfully applied to our Internet exchange connect...
hi every onecan i enable eigrp on more than one router with the same subnet ( broadcast network type )?when i enable it the link goes up and down?
Resolved! is mask 255.255.255.10 valid ?
I was trying this example :https://routersimulator.certexams.com/router-labs/router-interface-configuration.htmlfor the serial it shows invalid interface type and number, how can I solve this ?for the fa it shows invalid mask , why are they putting m...
Hello Cisco Experts,Has anyone ever deployed OSPFv3 with SHA Authentication and IPSec Encryption for the Hello packets in a relatively large production environment? In Datacenter, DMVPN, GETVPN? Any issue encountered such as stability and performance...
In the CVD campus guide https://www.cisco.com/c/en/us/td/docs/solutions/CVD/Campus/cisco-sda-design-guide.htmlit mentions: A fusion device can be either a true routing platform, a Layer 3 switching platform, or a firewall must meet several technolo...
