Resolved! I can't ping other devices
so i have got this problem that i cant ping the devices on other network
Forum Posts
Resolved! When is DR and BDR required?
Hi all, I'm currently, somehow, understanding how OSPF works and how elections and network advertising takes place. However, I feel like I'm missing a very important, and basic, point of when DR/BDR is necessary.From what I can read, but not understa...
Hi all, I'm having a hard time understanding the calculation of the cost for OSPF metric. I know that the cost is calculated with: Cost = Reference Bandwidth / Interface Bandwidth and that the default value is 100 Mbps. But what if an assignment sa...
Resolved! Cisco 2900 IP overlap
So I have a 2900 router that I have configured the GI0/0 port with 10.1.209.266/24 and can ping the outgoing interface from the router however I'm trying to set up the GI0/1 port with an IP but keep getting an IP overlap when trying to put in a IP on...
Does anyone know a way of creating a router access list that references an external file sitting on a server, perhaps a text file with a bunch of IP's. The goal is to modify the file to add/remove IP's without touching/logging into the router
Hi, I want to use a direct connection between to routers as "first" way for the traffic and as fallback I want to route the traffic to VPN. The setup is / shoud use bfd for static routes. But I am not able to route the traffic trough the VPN. So whe...
Hi all; Suppose I receive routes with "10.149.42.0/24" prefix from adjacent router and I want to match exactly the "10.149.42.254" IP address, for filtering purpose. How can I match exactly this IP address using a prefix list? Thanks
hi,i'm configuring a 4431 with UC bundle and it's shipped with IOS-XE 17.4.1 by default.i got an on-prem license server which uses smart call home and we're not ready yet for the newer CSLU transport/config in our 4K routers since we're still running...
I have an Internet VPN on a Cisco router between my headquarters and branch offices. The WAN line is a flet. Since one of the VLAN's headquarters needs to be extended to the branch office side, the pseudowire was formed using the L2TPv3 function betw...
NTT's FLETS NGN IPv6 will be used to build IPsec between two bases. The IPv4 packet is passed through the encrypted tunnel, and the OSPF or EIGRP dynamic routing protocol packet is also transmitted.The encryption tunnel was formed using GRE over IPse...
Ok, so after issues with VRF and NAT I have decided to make a configuration to our ISP. The goal it to provide Wireless users on their own VLAN to get out to the internet. We have a simple network layout, with Clients > APs > Distribution (L2 VLAN) W...
hello we have cisco ASR1002-X and we try to upgrade it to asr1002x-universalk9.16.06.07.SPA after we restart the router it enter in restarting loop and show this messages now i can't do anything to router Initializing Hardware ... System integrit...
Hi guy quick question.. I'm learning about bgp and I want to know if is possible to configure AS path prepend across multiple routers and ISPs.
We have a 3rd party static IGMP feed coming in to a L3 interface on a Cisco Nexus 3548. We have another device on interface Eth1/47 (VLAN2) running tcpdump. The device on Eth1/47 is not receiving the Mcast messages. We know we are receiving the fe...
Resolved! Doubt about OSPF and longest match
Hi guys, can anyone help me with a problem here? I was having trouble understanding the longest match rule for selecting the best route, I researched about it and finally I understood, but then another doubt came to me, using the OSPF protocol, I con...
