I upgraded from a 2901 router to a 4321 but I am running into problems getting the SIP RTP streams through the NAT that I setup.The NAT is configured the same as it was on the 2901 router, but the only difference I noticed was that the order of the N...
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Hello,I need your help. I have two Cisco Nexus 9k switches, connected by vPC.I want to run BGP (ipv4) on them and connect to the ISP.Is this feasible? If so, any suggestions?
Resolved! NAT configuration
Hi everybody!I am trying to make NAT configurations on the following topology:After reading various articles and watching some tutorials, I seemed to have finally found a way to make configurations using following inputs:However, Simple PDU checks ha...
Resolved! Two subnets from ISP one gateway
I just received a set of public IPs from my ISP. I configured everything internally and can see the IPs internally etc. However I can not get out to the internet using those IPs. I reached out to my ISP about it since I saw a lot of times this is han...
Hallo,Running the EEM script below, to overwrite the VLANs on the uplink port does not work remotely. Is the any error that someone can point to? Thanksevent manager applet VLAN_ALLOWED authorization bypassevent none action 3.0 cli command "enable" a...
Resolved! Understanding OSPF
Hello,Hopefully this isn't too confusing to look at but I'm playing around with this test topology in GNS3 to get a better understanding of how OSPF works. My question is when looking at the routing table of router "Three-Two" it sees the loopback 2...
Resolved! EIGRP and static route loop prevention
Good evening,I am studying the Cisco CCNP ENARSI and I created this laboratory, applying different EIGRP features on various routers.All the loopback IPs, both IPv4 and IPv6, ping each other correctly, both on the primary routes (EIGRP 10 and EIGRP 4...
has anyone encountered this issue of finishing PKA activities while being logged in from the start with packet tracer connected to skills for all and then skills for all will not update the circle after that the activity is complete on packet tracer ...
Hi,Do Cisco ISR and ASR routers process IP packets with IP options for strict and loose source routing by default? For example, an external source to my network can send packets with loose source routing option and my router would actually route the ...
Hello,I'm having some issues with policy based routing on an ISR-4451, IOS ver. 3.16.06SBasically, the goal is to redirect internet traffic for a specific set of devices to a different next hop, while leaving internal traffic and all other devices on...
Resolved! end of life ISR 4221/K9
hello here somebody can help me witch the link of cisco for end of live for cisco ISR4221/K9 and cisco ISR4331/K9 THANKS
The output below is from the show policy-map interface command. I was reviewing this and was wondering if this device's bandwidth is being restricted by this policy. We have a 100mbps connection for this router. I noticed the bandwidth allocations do...
I'm having a problem with the NAT-LOOPBACK setup on a Cisco 1921. The scenario involves a video door entry system that needs to be accessible via the public IP address of the router from both the LAN and the "outside world." This seems like a classic...
Hello everyone and I would like to express my gratitude. I will do a penetration test and I have a little intermediate or higher knowledge about this subject, but knowledge is certainly not a solution for everything and I will share a topology with y...
Resolved! SG250 routing L3
Hi.I have setup a fonctionning L3 SG250-08. Why L3 mode, because it works 1000 times more than in L2 mode (just test transfert file)My question was simple : as soons as i have configured some port in "switchport mode layer 3" all other port on the sw...
