This is my first blog on the Cisco portal and my not a native English speaker. So there is a chance to make some grammatical mistakes. Please ignore it or make me correct.
Few days before we were working at a client site and we found some limitations on NGFW (another vendor) as that device will not work in bridge mode with PPOE connection. My friend has come with an RFC 1027.
I knew the Proxy-ARP but never seen this type of example. This is called "transparent Subnet Gateways Using Proxy ARP". Proxy ARP is the technique of using a router to answer ARP requests. Proxy ARP can help hosts on a subnet reach remote subnets without the need for additional configuration. An administrator can set up a Transparent Subnet Gateway so that two physical segments with the same IP address range, connected to the same router can communicate via ARP with each other.
Here is the Network diagram for the same:
And here is the configuration for the same:
R1: Inside Web Server (Maybe another server)
R2: Internet Gateway for my Office/Edge router
R3: ISP Router and this router is not in your under control.
This is my LAB and I don't have any server added to my GNS3 so I added a router and configured:
IP 188.8.131.52/24 added under the interface FastEthernet 0/0
Default Gateway added to 184.108.40.206 (My Internet/WAN Default Gateway), which is configured on ISP router.
SCENERIO: i have configured dmvpn from HUB-ACTIVE, HUB-STANDBY to SPOKE2.I have configured 2 tunnels on HUB-ACTIVE & HUB-STANDBY pointing towards SPOKE2, while SPOKE2 has 4 tunnels, 2 for HUB-ACTIVE & 2 for HUB-STANDBY.[ Note: on each ...
i am deploying a new CISCO ISR4221/K9 router at customers place, i have unpacked a new router but the router is starting into ROMMON Mode, below is the message displayed on router, please help to resolve the issue: Current Image running: Boot ROM0..%...
Dear All, I am quite new to Packet Tracer and still learning the basics.I have built a project that contains routers and hosts. I can do ping between devices that are in the packet tracer environment.How can I ping a host emulated in packet tracer en...
hello, we have been restarting the core switch from past four days at morning time, the Output led in RED, below pasted some information from core-switch for your reference, both smps off, so i decide to start one smps to see whats going on in anothe...
Hello, Can someone help me with the config below?I can leake /24 prefixes but when I do /32, it doesn't work.This needs to happen on Switch not on router.- Please check the attachment. ip vrf CORPORATErd 65000:100export map CORP_FILTE...