Hello guys! I urgently need your help!We are the local ISP. One from our city cores is Cisco 6509E.Core.KamPod.C6509E#show versionCisco IOS Software, s72033_rp Software (s72033_rp-ADVENTERPRISEK9-M), Version 15.1(2)SY16, RELEASE SOFTWARE (fc2)Technic...
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Hello! Routers with red arrow are the ones that are using a basic static default route of 0.0.0.0 to their respective neighbors. D1,D2,D3 are iBGP connected with no additional of next-hop-self or update-source commands. D2 and OfficeA-1 routers are c...
I am moving from router on stick to an integrated switch module topologie , whats the best way to do it , where to put the gateways ?if i deciede to use svi interfaces inside the switch module , how can we insure the routing between the switch module...
Resolved! Unicast Reverse Path Forwarding and CEF
Hello, everyone!I am currently studying for my ENARSI exam and my current topic is uRPF. CEF is covered very lightly by my ENARSI resources in comparison with ENCOR but I understand that it's a packet switching mechanism whose purpose is to optimize ...
I'm about to purchase a 1121 router. I want to make sure it can support a L2VPN but can't find any answer on the specs sheets. Anyone know if it can support a L2VPN?
While working with GNS3 and configuring OSPF.I've been trying to set up a network topology where multiple routers communicate using OSPF. I've gone through the configuration steps carefully, double-checking my subnetting and ensuring that the interfa...
Hello everyone, I am currently working on a solution for one of our customers who wishes to replace the existing BGP connection with our Core router over a leased line. Instead, they are interested in establishing a Virtual Tunnel Interface (VTI) bet...
Good day! I was designing our up coming office/project and we wanted a redundant links from router up to access layer switch. I have done from core to access switch using HSRP on Core switches. If possible we are planning to add 2 routers and bind ...
Hello everyone!I'm currently a part of a rapidly growing small ISP that primarily works with Cisco ASR routers, specifically the 1000 series along with a few 9000 series routers. As our company expands, we've decided to venture into offering MPLS ser...
I am reading thru this manual on how to configure NHRP on FlexVPN: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/sec_conn_ike2vpn/configuration/15-mt/sec-flex-vpn-15-mt-book/sec-flex-spoke.html#GUID-C52DFA6D-CF76-484E-B348-51CA0792C1AB I am in pa...
Hi,In routing table and output of ip cef command I can see the next-hop, e.g. 10.10.10.1.However, when I do the traceroute towards the sam destinatiom I see that next-hop is 10.10.10.2.How is that possible? The outgoing port from the local device is ...
Hello Community, Can you please explain below output of show version command ? I'm confused with it, why it indicates there are two operating systems IOS & IOS-XR on the same router? And plus both operating systems have different versions. How is it ...
we have 2 Cisco L3 switches and each having one uplink. Customer want to configured OSPF and static routing both for redundancy purpose at route level. So my question is that if any case OSPF goes down than traffic will diverted on Static route or no...
Resolved! Slow loading of files for ISR routers
Hello everyone.I have GW: isr 4431 isr 4331 isr 1000 I would like to upgrade all my routers via ansible, but when I started playbook, my firmware uploaded with wight 700 MB very slowly. For example, I can wait 50 minutes for each router, at t...
Hello all, I am currently working on a Cisco ESS-3300-NCP module (cisco board within a Klas Voyager ESR) running 17.02.01 Amsterdam. I am trying to upgrade it to 17.09.04. I used TFTP to upgrade the firmware of a Cisco 6300 (same Klas Voyager device...
