Routing

I have worked with the 28xx/38xx/29xx/39xx series routers for 20+ years with their LMR feature set and E&M cards. To my understanding this has been discontinued in newer models even though the 8200 series routers has an E&M card, I assume it does not...

Hi, everyone! What are the least capable Cisco routers/L3 switches which support full BGP table? By the least capable I mean those with smallest port density, interface speeds, throughput and last but most important cheapest price. Thanks.  

I'm trying to downgrade to a version recommended by Cisco:from version 7.9.2for version 7.7.21I installed the necessary packages that go to the repository and are inactive. When trying to activate them to install the ISO ncs540-minix-7.7.21.iso I enc...

Hi,I set up a LAB with 4 routers using BGP. I have a prefix list and a route map for two networks and linked them to the BGP configuration (to change the metric to 90)Why is Metrix 90 displayed for all routes? The metric should only be changed for 1....

Learn about the types of interfaces that enable and work with NBAR. Specifically, the command to be input is "ip nbar protocol-discovery". The model is the Catalyst 9300 with IOS-XE version 17.12.4. The setting is included in the Trunk port and the m...

 One of our customer's ASR-920-24SZ-M had been running for a while until the ports suddenly went down and this error message shows up in the error log: 000191: *Jun  5 16:31:42: %IOSXE-3-PLATFORM: R0/0: cylon_mgr: PacketProcessing ASIC0 to FPGA Links...

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...

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...