I'm doing NAT between my WAN interface and two LAN networks: Services and Guest. Forwarding port 80 allows to connect from the WAN to a web server in Services. Connecting from Guest to the web server through the WAN interface fails because the packet...
My server is having trouble exchanging mail with another SMTP server. After much troubleshooting I ran accross an article that states that this might be caused by a "black-hole" router and MTU/packet issues. Sounds weird but I want to give it a try...
We have Cisco ISR 4321 router and this one came with spare SFP port and planning to install GLC-T RJ45 sfp module in to this.I have installed this and this recognized the media. Auto Duplex, Auto Speed, link type is auto, media type is RJ45My questio...
Hello, I hope you can help me solve this issue. I set up the DMZ ip in the rv325 router configuration but it only works if I access it from the LAN. If I try access it from outside the house it won't work. I have only one subnet 192.168.0.0 and the l...
Just checking with the community.Let's say you have an environment where all traffic external traffic is checked at the Firewall.Example:ip route 10.10.10.115 255.255.255.248 1.1.1.1 andip route 10.10.10.30 255.255.255.248 1.1.1.1as opposed to ip ro...
For reference, here's a picture of my network. This is my first experience using MPLS and VRF's so be kind, What we have is the two PE routers R1 and R6 connected to 'branches' that are in their own VRF on R1 and R6 called Client_A, they can talk to ...
Hello all, hopefully a simple issue. I am using Cisco Packet Tracer to simulate a network environment for an upcoming project. Part of the design involves the use of a GRE tunnel between two routers. Before I continue modeling the project which will ...
Hello,I'm looking for router like Cisco ISR C1111-8P with IP Security (IPSEC) license. I need IPSec over GRE (have to make about 200 VPN). Unfortunately C1111-8P doesn't have this license included. Can you recommend setting? Preferably as if it costs...
Hi all, figured I would ask here since im no Cisco routing engineer especially with Nexus and NX-OS. so seeing some weird things in OSPF more so for what seems to be discrepancies between 2 HSRP 5548's running OSPF.OSPF summary is not identical. SW1:...
Hi i am an intern and pretty new to working with routers (mostly knowledge of basics) I got a bunch of 4221 routers. When they were booted for the first time ever the routers requested an username and password: admin, admin. Then when trying to enter...
Hello,im new in packet tracer, I have a problem in setting 2911 router.-I have main router (HQ) and I am connecting 2 switches (DMZ & active directory) and 2 routers (branch1& branch2) .-I have already connected the Active Directory switch and the 2...
Hi Guys can u pls help me at the below thread https://community.cisco.com/t5/networking-blogs/sd-wan-controller-on-premise-deployment/ba-p/4176351 thanks
The Cell0 interface is working fine, pinging 8.8.8.8 without any problems.but from vlan1 network 192.168.1.0, getting dhcp with ip address and dns but cannot reach 8.8.8.8 from connected PC Vlan1 kindly help me ...the configurations below !ip cef!!!!...
This is basic MPLS-VPN LaB i am practicing on GNS3. topology Diagram is attached.I am unable to ping from PE(R-2) to PE(R-4). routes are showing in neighbor table of BGP but not in routing table.Please help. I am attaching config files of PE(R2) , PE...
Hi im new with this networking thing and really need help on how to sort out the problem with our network setupwe have this two devices and been using for more than 10 years without problemCisco 1841 Router (under vlan 50 - 10.130.50.4)Cisco Catalyst...
