Hi All, I’d like to enable WiFi calling for iOS devices behind an ISR 4221. I understand UDP ports 400 and 4500 need to be opened, but also that IPSec passthrough also needs to be enabled.Is anyone able to assist with providing the configuration requ...
Forum Posts
Hi all, We have just purchased a new Cisco router C1117-4PM. I am loading the base config for our network but having issues entering the following crypto commands for VPN: crypto keyring dmvpnspokes pre-shared-key address.... crypto isakmp policy 3.....
Can someone assist to identify the reasons for the "Total Output Drops" counter incrementing when there are no other output errors?This interface is SP facing interface which has 6 sub interfaces. But I'm unable to identify from which sub interface t...
I have created a topology with three different networks and connected them to a single router and I have added HTTP,DNS,TELNET and DHCPHTTP, DNS,TELNET seems to work fine but my DHCP does not work properly it does not give default gateway to the end ...
Hello community, I'm facing the following problem, I appreciate if you can help me.I am upgrading ROMMON from an ASR-903 from version 15.6(43r)S to 15.6(48r)S. and the following process was carried out: ASR-903#upgrade rom-monitor filename bootflash:...
I'm working in my lab to test some config for an L3out where I need to restrict the importing of routes received to only routes that are tagged with certain communities. I'd like to have my config double checked to make sure I'm applying my config in...
Resolved! Static NAT to a range tcp ports
I want to map a range of tcp ports to an internal host from the internet. I could use the ip nat inside static tcp command for mapping an specific port, but what if I want to map the tcp port range from 8000 to 8050?, Is there a way to do that with ...
Hello,I have noticed recently that one of my customers has been having an issue with their Virtual-Access interface constantly going up/down throughout the day, every day. Whenever it goes down, it also gets unbound from the Dialer profile. I am not ...
Resolved! Identifying IP MTU fragmentation issues
Not sure if I'm asking this question the right way. How do you know (or can you verify) if fragmentation actually becomes an issue? Let's say the WAN devices (in this case velocloud SDWAN) have the MTU set to 1280. As from what I understand Velocloud...
Considering we have the latest IOS XE version 17.+ with is supported and not EOL'd, and IOS 15.2E still being supported and an active version gets releases still, and with the software images being moderately similar they have some differences specif...
I have a Cisco 9300 that currently uses our century link as our primary isp we recently got a Comcast Business modem and wanted to add this as a secondary to the same router. I’m a little confused as I’ve never done this before, so I assign the Comca...
Hi AllWe are required to receive Live feeds from Weather satellite and website (from outside and inside the country). Then suppose to STORE them for regional access over Web portals and Mobile apps for predictive analysis. I know we have to make sure...
Resolved! C3850 Keep getting Error
there is no configuration done on the switch and it's empty, after rebooting the device gets an error. when i console only. Logs:- *Aug 31 14:32:26.089: %IOSXE-4-PLATFORM: Switch 1 R0/0: kernel: EDAC MC0: 1 CE DIMM 0 rank 0 bank 4 row 348 col 12598 o...
Resolved! Accessing NTP Server from another Subnet
Hello, Still quite new to networking. This question has been bothering me for a while. How do i access a NTP server that is on another subnet? I have attached a screenshot of a basic configuration. SW1 and SW2 can access the NTP clock, but SW3 cann...
Hi, Trying to Google answers to these 2 questions with no luck. Are Interface bandwidth and policy map shape average settings disruptive? Thank you, Pat
