Finding accurate answers to your questions and issues is always gratifying, but what if these answers are shared globally across different languages? The Cisco Community team has been working on a proof of concept (PoC) to take Accepted Solutions in...
Please explain the working of BGP synchronization.Which table of IGP does it check for the route - Neighbor table, Topology table, routing table? Will there be a difference with the MP-BGP case?
I am facing issue with the AS-Path prepend. On R6, I increased as-path towards ebgp neighbor of R1 in order to influence inbound traffic coming from R10 - 10.10.10.10/32 Please refer below config: R6:R6#sh run | s route-mapneighbor 16.0.0.1 route-map...
Router A is connected to router B over ISP network. A - ISP - B.Router A is able to ping to Router B, but Router B mac address cannot be found in Router A arp table. I would think that being able to ping would naturally mean that the mac address of ...
I just found that "shell processing full" give us several useful commands like grep in a Cisco router. I plan to use it more and enable it in all routers. But before that, I want to know will this introduce any security risks? Are you guys enable thi...
In a IOS command line, I can use the "include" command to filter piped results.PC1#show running-config | include inter interface FastEthernet0/0 interface FastEthernet0/1 interface FastEthernet1/0 interface FastEthernet1/1 PC1#How can I , or is it p...
Hi,I am trying to setup an EIGRP OTP connection between two neighbors, although the routing adjacency goes UP when I declare neighbors manually on both sides, I cannot get it to work when one of the routers is configured as a route refletor.Here is m...
Hello,Is it possible to enable eval license on Cisco ISR 4300.
I'm seeing the following message on my syslog server from my nexus switch, and I wanted to do some additional research into the reasons for this. I'm not able to see a command on the Cisco Nexus to show the reason. Is there a way to see the reason ...
Hello,I'm studying about boot process and I have two questions:1) What do these numbers 1795999K/6147K mean in boot process of a ISR 4431 (Packet Tracer simulator)?cisco ISR4331/K9 (1RU) processor with 1795999K/6147K bytes of memory.According to my ...
Hey guys, I saw the following commands that can be used to filter output. PC1#show run | ? append Append redirected output to URL (URLs supporting append operation only) begin Begin with the line that matches count Count...
Hi All,I am faced with a very strange problem. My internal network contains IPs from 172.16.X.X subnet. I want to block a certain IP from appearing in traceroute(this IP belongs to an uplink hosted in my own AS) and I can easily do things anyone sugg...
Hi Everyone, Kindly assist me with an issue i'm currently facing. I have a Cisco 2911 ISR in my network configured as NAT gateways for my LAN subnets. Its configured as ppoe to the provider network.For some strange reasons i cant access other https a...
This is probably a dumb question but I need to ask as my cellular WAN expertise is minimal. I support a few cellular WAN sites that have the 881G+7-K9 router that connects to a provider 3G network. The router is end of life and the location now has L...
Im replacing my existing 1921 with a 4321, however the 4321 uses ZBF and can't use my old inspect config. I've confirmed all comms work on my test config, all clients can reach external all as expected, however when adding the ZBF, it appears to be d...
