Having issue with eBGPv6 flapping. A few of the similar eBGPv6 sessions having this same issue of constant flapping. Ping is clean and no packet loss. IBGPv4 is stable. BFD key chain is the same on both ends. Appreciate from you guys who can share th...
Forum Posts
Hi,Let's say you have to migrate L3 device. We all know preparation for this can be very cumbersome to do. I would like to hear your experiences, including:1. What is your thought process when you have to prepare for migration? 2. How do you approach...
In my setup, I have 10 VLANs that all need internet access. The issue I encountered is that only one VLAN is able to reach the internet using its next hop to the firewall. I tried configuring 10 separate default routes for each VLANs, but while I was...
HiOn GNS3 I'm creating a campus network to practice for CCNP. However, I'm using router images for the switches and is doing my head in, so thought on using proper L2 FREE Cisco images if there are any.Which image would you recommend to manually crea...
I am using a Cisco C1111 ISR w/ 2 L3 interfaces, 8 L2 interfaces. Interface Vlan601 currently has an IP address assigned to it. I would like to use DHCP to assign the IP address to this interface. However, when I change it to DHCP, the MAC address in...
Resolved! EIGRP Lab Loopback Issue
Hi Everyone,I recently set up a lab in GNS3 to simulate the EIGRP routing protocol, connecting two ISPs across two sites.However, I’m encountering a loopback issue based on the trace outputs (the Config files in attachments).I would appreciate it if ...
cant copy the config files from these swicthes... error logs DC1XCIK1#copy startup-config tftp:Address or name of remote host []? 192.168.19.8Destination filename [DC1xcik1-confg]?!.....%Error writing tftp://192.168.19.8/DC1xcik1-confg (Timed ou...
I'm just posting this here for the future benefit of the Cisco community, and mainly to make this solution visible on Google searches.Background information: Anybody who operates Cisco cellular equipment at scale will be aware that no matter how much...
Hi Team,I have issue on aaa configuration in cisco 1100 ISR router.Kindly help me and send correct configuration.Thnaks
Hi AllCan anyone shed some light on the key differences between the 2 licences on the Cisco Catalyst 8k routersCisco Routing EssentialsCisco DNA EssentialsWe run autonomous type Cisco routers and don't use or require SDWAN, we have ipsec tunnels, GRE...
Resolved! problem while Upgrading ISR 4331 Router
Hello community,I recently attempted to upgrade my ISR router to the latest version but encountered an error stating:"Failed to boot file bootflash:isr4300-universalk9.16.09.06.SPA.bin"This occurred despite entering the correct commands.The current v...
Dears, Could you please help me I'm trying to configure two services on the same Cisco interface (GigabitEthernet0/0/6) using the default encapsulation. I'm using a Cisco ASR920 router. "I'm having trouble configuring two services with default encap...
I am not able to downgrade Cisco Router NCS540 IOS-XR from 7.9.2 to 7.7.21 (recomended in Cisco Downloads site).RP/0/RP0/CPU0:dc-borda-2#show install log 73Thu Oct 17 15:35:29.572 -032024-10-15 11:14:50 Install operation 73 started by root:2024-10-15...
Resolved! Created DMZ
Hello everyone, please help me. I want to create 3 sections: INSIDE, OUTSIDE and DMZ. With OUTSIDE it is possible to ping, and access services in the DMZ. INSIDE also does the same thing and it has the addition of being able to ping OUTSIDE(8.8.8.8),...
hi ,i have a cisco router 7206 ,when i create subinterface with ip , the router hangs , and all interfaces are down ,i just remove interface gi0/1 and plug it again , the problem is solved !!!!!!!what is the relaiton between subinterfaces and hanging...
