I am having some issues with Tunnel GRE flapping on Spokes when configuring DMVPN with ISAMP Phase 2.I have one Hub and Two Spokes as per topology below:The configuration of Hub and Spokes is the following (No NHRP configured yet):HUB: Spokes Branch ...
For example, there are VLANs 1 and 2 in L2, and when connection to L3 is realized in trunk mode (VLAN 1, 2 is permitted) of a single cable, is it possible for devices in VLAN 1 and 2 under L2 to communicate with each other due to the L3 routing funct...
Hello, I tried looking around, but couldn't find it. On a Cisco router (2911/2951) is there a way to 'drop'/refresh the current DNS cache or just one entry? thanks, Ron
Hi Team, we observed few abnormal logs on Router and further investigated with logs it looks like a Cisco Bug on Router “CSCsj30582". PID: CISCO1921/K9 , VID: V04 , SN: FCZ1618C2B6 Ios Running is c1900-universalk9-mz.SPA.151-4.M4.bin. Impact : Intra...
I have an ISR111-8PWA that I purchased several months ago. I have been having all kinds of difficulties just connecting to my router and accessing the internet. The latest config is attached as well as a picture of what comes up when it tries to co...
IPTV not playing every 15 to 20 days once after cisco asr1001x router soft rebooted iptv playing fineplease support Team
Hello to everyone What is the exact usage of a secondary IP address in the router interface?Any Cisco documentary is available?
Hi, we are plan to buy 8300 to support at 6-10 1G layer3 connection. C8300-1N1S-4T2X looks good, but we need to buy one NIM, Is following NIM module we should buy? C-NIM-8T -- 8-port 100Mbps/1Gbps switch NIM, LAN/WAN MACSec & Optional L3. Optiona...
Hi, RTR1, RTR2, and SW1 are physically connected, and there is an EIGRP neighborship established among them. RTR1 is the primary router for SW1, and RTR2 is the backup. I set up static routes with track 500 on both RTR1 and RTR2 so that if RTR1 goes ...
Hey!We have some 2801 integrated services routers and was wondering if there are any newer ios versions for it.We are currently running advipservicesk9 15.1(4)-M12a , but I was unable to find the 2800 series on the support page (see attached image). ...
By splitting up the OSPF areas, I understand we are reducing the Type 1 and Type 2 LSAs in an area. But Type 1 LSAs are regenerated as Type 3 LSAs and flooded into the other area. So in terms of sizing, is that really reducing the sizing of the LSDB...
Hello.I am working 2 firepower 1120 firewalls, which are connected to a 5-port layer-2 switch through their "outside"(Ethernet1/1) interfaces, each with an IP address of the form 192.168.1.x with a subnet mask of 255.255.255.0. On that same switch, I...
I am making a school project where I have 2 school campust network, the iot devices on the right connect to the server right away but devices on the left just don't. Can someone please help me.
Hi guys,I wanna check the IP Source and IP Destinations via Flow Monitor, but then it says "There are no cache entries to display." here's the configuration and the device I've been used TWR-FUSION01#sh versionCisco IOS XE Software, Version 17.03.02C...
Hi ,we have cisco 9400 series core switches and that connect to SD-WAN routers .Now in Core switches , we have many SVI's and they are acting as a gateway for the Vlans. We have OSPF routing protocol that performs l3 routing and all the connected in...
