Cisco WAN :: 3845 Routers - Receive Multicast Stream Via Tunnel Interface
Feb 16, 2012
I have two Cisco 3845 routers which receive a multicast stram via a tunnel interface, i.e Tunnel163 (PIM Dense mode is enabled). These routers are both connected to a LAN segment (FastEthernet0/1/0) where receivers are. [code] Router1 is the assert winner (highest IP address), it sees igmp joins request, but it's pruning the interface. It happens sometimes and it lasts until I manually issue clear ip mroute.Unfortunately I cannot migrate to Sparse Mode.
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Sep 1, 2012
I setup a GRE tunnel between two cisco 1800 & 1900 routers. I can't received multicast.
Here is a copy of my configs:
R3#Building configuration...
Current configuration : 1238 bytes!version 12.4service timestamps debug datetime msecservice timestamps log datetime msecno service password-encryption!hostname R3!boot-start-markerboot-end-marker!logging message-counter syslog!no aaa new-modeldot11 syslogip source-route!ip cefip multicast-routing no ipv6 cef!multilink bundle-name authenticated!archivelog config hidekeys! interface Loopback0ip address 10.0.0.3 255.255.255.255!interface Tunnel0ip address 192.168.24.2 255.255.255.252ip pim sparse-modetunnel source Loopback0tunnel destination 10.0.0.1!interface FastEthernet0/0ip address 10.0.3.1 255.255.255.0ip pim sparse-modeduplex autospeed auto!interface FastEthernet0/1ip address 192.168.23.2 255.255.255.252ip pim sparse-modeduplex autospeed auto!interface Serial0/0/0no ip addressshutdownno fair-queueclock rate 2000000! router eigrp 1network 10.0.0.3 0.0.0.0network 10.0.3.1 0.0.0.0network 192.168.23.2 0.0.0.0no auto-summary!ip forward-protocol ndno ip http serverno ip http secure-server!control-plane!line con 0line aux 0line vty 0 4exec-timeout 5 0privilege level 15no login!scheduler allocate 20000 1000end
[code]....
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Feb 23, 2011
I've bought a E3000 as replacement for my Linksys WRT350N router.Just upgraded the firmware to version Ver.1.0. 04 (build 6).I use aonTV - an austria IPTV service (Multicast via UDP) - an this worked with my old WRT350N (hw version 1) consistantly well. I hardly had to reboot the router to get the multicast stream.With E3000 I checked the option that it should not filter any multicast traffic - when I reboot the router it works for some time - but after some hours it does not work anymore? I want to watch TV via my HTPC connected via GigaBit Power to the E3000.
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Feb 21, 2012
I'm seeing the alert "CPU Receive Multicast Queue is full on Controller" on the WCS from one of my controllers. This is during peak hours and on a pretty busy WLC. I can't find any related lines in the logfiles. I'm currently running software version 7.0.220.0 on a WISMs.
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Jan 25, 2012
I'm starting to see an error creep up that I havn't seen since 2003/2004 on my brand new 5508 controllers. I'm recieving the following from my WCS: Receive Multicast Queue is full on Controller and then on the controller itself RX Multicast Queue Full. I understand this used to be due to a large influx of ARP requests or CDP packets on older controllers but, this was supposed to be fixed in an update many years ago.
Has seen this on their 5508's. These were advertised as having the horsepower to handle our user loads which arn't really that high at 300 users at any given time max.
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Oct 2, 2011
I have a major problem regarding implementing IP Multicast in an ADSL network. The diagram of our network is attached. In every Access Network , there is only IP DSLAMs which are connected via Metro ethernet links ( L2 links) to the main site. So there is no Router or Layer 3 Link to the main site. In the main site there is an Aggregator router which is an PPPOE server which terminates subscriber's PPPOE sessions. All the Access networks and subscribers are just connected to one Aggregator and they use that one as PPPOE server. It is an Cisco 3845 Router. Then the Aggregator is connected to Core network and behind the Core network is an Streaming server which streams in Multicast. IP Multicast Routing is configured in Spars-Dense mode in all routers in Core network and also the Aggregator and it is working properly. So the sucscribers are able to join the multicast stream and the very last router in the path toward the subscribers( which is the Aggregator) does the Multicast replications.
There are two problems we faced:
1- Since all the subscribers from different Access Network use the same Aggregator in the central site as PPPOE Server, all the connection are terminated on that router. The goal is to use the uplink bandwidth of the Access networks to the central site more efficiently and if e.g 20 subscribers watches the same channel, it just consumes as the amount of one channel due to doing IP Multicast.Now the problem is that when for example 2 subscribers of the same Access Network (in the same POP site) connect to the same stream, the amount of bandwidth used between the central site and the Access network is double. It happens because the aggregator activates IGMP on every virtual-access lines for every PPPOE subscribers who wants to joint the stream. So it can not recognized these two subscribers are from the same Access network. Therefore, the result is that although it is doing Multicast, it does not save the bandwidth because it activates IGMP group on every subscriber's virtual access line for his PPPOE connection. So is there any solution to this problem? Something came to my mind that we need to implement a separate aggregator for every Access network which means that we have to place a router for every access site and it will be expensive for us. But I think in that case every local aggregator can do IP Multicat routing and it saves the bandwidth definitely. Any better solution that may solve our problem using the same topology?
2- Another problem is that when the subscriber's CPE are configured in bridge mode and subscribers set-up a PPPOE connection on their PCs, they are able to join the multicast stream properly. But when they put their CPE in router mode and have their ADSL modems as PPPOE client, they are not able to join the Multicast stream. i.e the ADSL modem is doing NAT and routing and it connects to PPPOE server using username/password credentials. I also tried a feature in ADSL modems called "IGMP support" when I wanted to create the WAN settings. But it did not work. I am not sure but I think that we need "IGMP Proxy" feature on subscriber's CPE.
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Mar 21, 2011
This issue is a bit confounding for me, but hopefully simple for one of you. I have two sites, one in Alaska and one in California, connected via 10mb QinQ service from an ISP in Alaska. The ISP is utilizing Verizon from Seattle south who is delivering the circuit on a DS3 here in California. The ISP gear on site here is a Tasman. The Tasman is directly connected to a Cisco 3845 G0/1 with a routing sub interface. In Alaska, the ISP is directly connected to a 6513 which in turn is connected to a 7206 with a routing sub interface. I cannot seem to get the 7206 and 3845 to come up as neighbors.
The 7206 receives the 3845's Hello and the 7206 shows the 3845 as a neighbor until the hold time expires. It does not see updates from the 3845 since the 3845 never sees a Hello from the 7206 and comes up as a neighbor to send an update. The 3845 does see EIGRP updates from the 7206, but no Hello. Pinging 224.0.0.10 from the 7206 does not get a response from the 3845, but it does get a response from many other sites/neighbors, including another site here in California with a nearly identical setup (same provider and gear). I am ableto ping between the devices' routing interfaces. Being QinQ, I don't believe the ISP could possibly be the issue (the circuit is clean and stable) as they don't filter any of our packets. There are no ACLs applied to these interfaces. The 3845 does have other EIGRP neighbors from sites over a TLAN around here in SoCal.
Why the Hellos may not be reaching the 3845? I have verified they're being sent from the 7206.
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Jan 29, 2013
We are using SRP527 routers with PPPoE ADSL connections. From the SRP527 we create an IPSec tunnel to our core routers (Cisco ASR). We are wanting to change the IPSec tunnels to L2TP, and I need to know if this can be done from the SRP527. I cannot find any L2TP configuration options in the setup options.Can the SRP527W act as an L2TP tunnel initiator over the ADSL PPPoE interface?
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Sep 18, 2012
on our cisco 3845 router we have recently applied a qos policy on a fast ethernet where our MPLS link is connected. We have already having a GRE tunnel over the fast Ethernet with one of our site. Now we are observe the application working slow over the GRE tunnel. When we have removed the qos policy from the MPLS link the application are working fine.My question is why it is happning on the gre tunnel. So how to overcome the problem. Shall we need to apply the qos policy on the GRE tunnel alos ?
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Sep 23, 2012
I'm in process of purchasing a new Cisco routers for our branches that will be used primary to enable IPSec virtual tunnel interfce with "tunnel mode ipsec ipv4". does the default IOS IP Base supports this feature? or i need to purchase DATA license or SECURITY license?
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May 3, 2011
I need to configure multicast between 2 Csico 5540's lan to lan ipsec tunnel for a Voip application.
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Aug 26, 2012
We have a Cisco 3845 router for Site 2 Site VPN tunnels to external business partners. The IOS is (C3845-ADVIPSERVICESK9-M), Version 12.4(15)T8.One of our partners is doing a DR test and needs to have us swing the VPN traffic to another peer in a test location temporarily. I plan on adding the test hosts to our existing encryption ACL, but instead of building another crypto map, I was wondering if I can add a secondary peer to the existing one?
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Mar 21, 2013
I have a setup where a spoke (cisco 1841) is sending a multicast feed to a hub (cisco 2951) via a DMVPN tunnel on the Internet. The feed arrives on interface fa0/0 of the cisco 1841 and is forwarded to the tunnel interface. It is about 160,000 kbit/s and 18 pps. This always looks the same:
cisco2951-1-hub#sh run int tu10
!
interface Tunnel10
description DMVPN TUNNEL
[Code]...
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Apr 23, 2012
So in our DMVPN network, we have this Cisco 3845 hub router that is connected via a DS3 to the Internet, and our spoke sites usually have a broadband connection that typically have a maximum of 1Mbps upload capacity. We are getting ready to add a few more sites to our network that are connected to the Internet with 10Mbps upload speeds (and 50Mbps download). Spoke site routers are usually 800 series ISRs. We have seen spikes of 8-10Mbps on the hub router so far. So the question is that a site with 10Mbps upload speed transmit to the full capacity over a DMVPN tunnel or is it limited by other factors? What are those factors?
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Sep 19, 2011
I am trying to implement RBSCP on two 3845s running 15.1(4)M1 Adv Enterprise over a satellite link. The "show" commands all look correct, but whenever I policy route my machine through the RBSCP tunnel I dont even make it to the opposite side. However, if I remove the "tunnel mode RBSCP" command so it acts like a regular GRE tunnel, I route through it just fine. So I know its not a NAT, routing issue. [code]
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Feb 20, 2013
I am trying to do a Multicast lab in gns3 with a tap interface in os x and a linux vm in virtualbox. The os x box is broadcasting to 224.1.1.1. I have verified IP connectivity. I am using PIM dense mode. When I perform a packet capture on the tap interface I see no traffic to 224.1.1.1. However when I ping 224.1.1.1 from os x I see the traffic. Attached is my topology
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Sep 13, 2012
I have Cisco 3845 with two Gigabit interfaces configured as port-channel with subinterface and with QoS.However shape does not work, why? [code]
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Mar 20, 2013
Is it possible to configure more than one layer 3 interface for netflow on a 3845? I can't seem to do it. Is there something I am missing?
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Sep 2, 2010
I have a problem in configuring two pair of backup interface on my customer's router (3845). It's ok when I configure just one of them. If I configure both pairs of interfaces into backup interface, one of them will be in disabled mode, as shown below :
WANR01#sh ip int bri
Interface IP-Address OK? Method Status Protocol
GigabitEthernet0/0 172.16.199.106 YES NVRAM up up
GigabitEthernet0/1 172.16.3.5 YES NVRAM up up
Serial0/0/0 unassigned YES NVRAM administratively down down
Serial0/0/1 unassigned YES NVRAM administratively down down
FastEthernet0/1/0 125.213.133.186 YES NVRAM standby mode down
FastEthernet0/2/0 172.112.22.6 YES NVRAM standby mode/disabled down
FastEthernet0/2/1 123.231.177.238 YES NVRAM up up
Loopback0 172.16.199.12 YES NVRAM up up
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May 16, 2013
I'm having an issue that I can't quite understand. I set up a test lab to get familiar with EIGRP routing. I have a Cisco 3845-MB with 2 VWIC2-2MFT-T1/E1 cards.sh ip int brief shows UP UP status on all serial ports. I gave it an IP address but I'm having trouble pinging the serial interface IP. It's dropping pings to its own S 1/1/0 interface when pinging from console. I have known good T1 crossover cables 1&2 - 4&5.
Here is the "ip int brief" from 3845-MB
3845-MB#sh ip int brief
Interface IP-Address OK? Method Status Prot
ocol
GigabitEthernet0/0 unassigned YES NVRAM administratively down down
GigabitEthernet0/1 172.30.2.1 YES NVRAM up up
Serial1/1/0:0 10.3.29.2 YES manual up up
Right now it's pinging itself at about 60 -90% success rate... and I can't figure out why it's dropping any packets at all. I have other issues with in the lab as well... but i think this might be my "core" issue.To make matters even more "weird" I've tried two different VWIC2-2MFT-T1/E1 cards and I drop pings with both of them.
Here is a sh run and a sh diag:
3845-MB#sh run
Building configuration...
Current configuration : 1434 bytes
!
version 12.4
service timestamps debug datetime msec
[code].....
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Oct 26, 2011
We have a number of 3845 routers, some running IOS 12.4(22)T2 and earlier and some running 12.4(24)T4. On the ones with 12.4(22)T2 and earlier, gigabit interface g0/1 shows interface down/line protocol down when there is no cable connected to the interface and the interface is not in shutdown state. On the ones with 12.4(24)T4, gigabit interface g0/1 shows interface up/line protocol down when there is no cable connected to the interface and the interface is not in shutdown state. Interestingly in both cases, the "show controller g0/1" command shows " network link is down (NO CARRIER)" when there is no cable attached. It makes sense to us that the interface status would be down/down when there is no cable attached. It does not makes sense to us that the interace would be up/down. Did Cisco at some point change their philosophy on whether an interface should show down/down or up/down when there is no cable attached, or is this a bug?
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Oct 16, 2011
I have a question regarding mlppp and bonding mpls T1 circuits. For the longest time we have been able to get by on one T1 circuit coming into our 3845 router. Well this T1 has now become congested and they are wanting to add bandwidth to this T1. We connect to the phone company via an MPLS T1 currently. So now it appears as though we are going to purchase another MPLS T1 circuit and bond the two T1's together. The way our network is currently set up, we utilize the same AS number on all of our remote routers regardless of location. Keep in mind I don't have any sort of mlppp set up at this moment, so unfortunately I can't post any configs. I'm just questioning the design portion and how to go about doing this.
Here is where my dilemma begins........
For every MPLS circuit we order on the remote end, we specifiy an IP for the remote router itself and one for the provider to assign to their equipment (the bgp neighbor statements). Now granted i'm no BGP extraordinaire, not even a novice really, but I don't understand how I am going to bring two T1 circuits into the same router (basically with 2 pairs of IP's). In order to bond the two T1's together, i'll need to create a multilink interface and assign an IP to that, but yet I still have 2 SETS of ip addresses. And if that isn't enough of a dilemma, I also need to spedify a neighbor statement in order for my AS to bind to the adjacent provider AS, but yet I have two IP addresses for that as well.
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Nov 5, 2012
C1921, running version 15.1(4)M2, with licence for "IP base" feature set only.Trying to pass multicast via a PPTP VPN from a Windows XP machine to work around a non multicast-aware WAN link
1. With the IP Base feature set I am able to create a plain PPTP VPN without any encryption; the Windows XP machine can bring it up and unicast data passes through it OK in both directions.
2. But when trying to send multicast, only one-way traffic is observed:i. Windows XP host on far end of PPTP VPN and a local PC both running old Microsoft tool "MPING.EXE", sending and listening for traffic on the groiup 225.100.101.102i. The distant host receives and echoes back the packets received from the local machine + sending its own (confirmed with Wireshark running at the far end)ii. But the local machine directly connected to the C1921 router does not hear any packets from the far end; Wireshark shows only the ones it is sending.
3. Group status ("show ip igmp membership") as far as the C1921 is concerned shows both ends (192.168.50.10 (local end) and 192.168.50.201 (distant end via the PPTP VPN)) joined to the group [code]
4. But "show ip mroute" for that group shows an error; for the source on the far end of the PPTP VPN (having the IP address 192.168.50.201), the source interface is incorrectly shown as GigabitEthernet0/0 (should be Virtual-Access2.1 for that PPTP VPN) and the outgoing interface is shown as Virtual-Access2.1 [code]
5. I have tried adding static mroutes and messing about with parameters for the virtual-template interface for the PPTP VPN, but the problem remains. And if I put another local PC onto a different Ethernet port of the router, the multicast traffic does flow both ways - so the issue is solely with the PPTP VPN.After a week of head-scratching I am getting more and more convinced that it's a bug... but wonder if it is already-known, has a workaround, or a fix in newer firmware?
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Aug 29, 2011
I have configured a qos policy and I am trying to apply the policy to a vlan interface which is physically connected to a switch module port of a 3845 Router.When I try to apply, the message configuration failed appears.
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Nov 20, 2011
I have a cisco router 3845 with Etherswitch modules and one Vlan configured "172.16.6/24", many switch ports are assigned to this vlan. i would like to translate one IP address 172.16.6.200 to a new one "172.25.42.10" but need to keep the other IPs from "172.16.6/24" without changes. below is the configuration of vlan interface and switch port. [code]
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May 8, 2012
I have configured multicast (ip pim dense-mode) on two 2911 routers that are connected by a Multilink (3Mbps) Wan connection.The configuration work fine for awhile and sometimes all day but at some point one of the Multilink interfaces stop passing multicast traffic.I perform a sh multilink 1 on the interfaces and one interfaces show the multicast packets incrementing and the other does not, it just stops.The only fix for this is to hard reboot both routers and the multicast traffic begins to flow once again.
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Jun 9, 2011
Using a small network (WAN) with three 1921 routers (IOS 15.1(T)) connected via E1 links. One host (industrial PC - core 2 due running Win XP Pro) connected to each router. The spare Gigabit Ethernet port on each router is bridged with the active one (so a portable management PC (laptop) can be plugged in there and communicate with the router and the industriual PC.
Multicast routing strategy between the routers is as per "Anycast - Static RP", with PIM sparse-mode enabled on all interfaces and sink RP defined on all three routers.
Problem occurs when a (IPV4) multicast application on one PC communicates with the others:
(a) IGMP V2 membersip reports etc. work correctly at the sender and at the other two PCs receiving the multicast stream
(b) Multicast routing on the WAN is working correctly; running Wireshark on the receiving PCs shows that multicast data is received on the expected group.
(c) But, there is an error in the Ethernet packets
i. The first packet's Ethernet header contains the correct destination MAC address 01:00:5E:aa:bb:cc where aa:bb:cc match with the last three octets of the mulicast group's address, and that packet is received OK by the listening multicast application
ii. However, subsequent packets' Ethernet headers have the wrong MAC address 01:00:5E:00:00:00 (the last three octets are all zeroes and these packets are discarded by Windows on the receiving PC and not seen by the multicast application.
Problem is related to the presence of integrated routing & bridging; if I delete the bridge virtual interface,disable bridging and give the two Gigabit Ethernet ports their own IP addresses, the multicast reception works correctly; all received multicast packets have te expected value on the destination MAC address (matching the group address)I have used the same integrated routing/bridging configuration successfully on Cisco 2611 and 2811 routers and there was no such issue with the multicast packets.Have I overlooked some subtle aspect of configuration in the 1921 router or have I uncovered a bug...?
For reference - snippets from router configuration scripts
:
In the non-working configuration (with Integrated Routing & Bridging)
interface GigabitEthernet0/0
no ip address
duplex auto
speed auto
[code]....
In the working configuration all the bridging is gone and the two Gigabit Ethernet interfaces have a very plain & simple configuration in different subnets
interface GigabitEthernet0/0
ip address 192.168.212.1 255.255.255.128
no ip directed-broadcast
ip pim sparse-mode
duplex auto
[code]....
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Jul 30, 2012
I've got a RV180 and so far it is working very well.
I have set the logging up and passing the logs to my syslog server. However I'm getting a constant stream of "Warnings" like the sample below:-
Tue Jul 31 21:35:26 2012(BST) [Router][Kernel][KERNEL] [120215.750000] pppoe_sid_index=1
Tue Jul 31 21:35:26 2012(BST) [Router][Kernel][KERNEL] [120215.770000]
[Code]....
I guess I could turn off the Kernal logging for the "Warnings" level but I'd rather try and resolve the problem that is generating the warnings.
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Feb 12, 2013
I have 4 public IPs on Router 3845 interface FastEthernet 0/0/1. IP as below.
50.200.2.2
50.200.2.3 secondary
50.200.2.4 secondary
50.200.2.5 secondary
I wan to allow ports 80 to 90 on 50.200.2.3 for my webserver (192.168.10.50)
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Oct 17, 2012
I am using a Cisco RV110W (Firmware 1.2.09) in a branch and I would like to create a VPN Tunnel to another site that has a Cisco RV042 (firmware v4.2.1.02)
What would be the correct Configuration? the current configuration I am using is
in the RV042 i am using
Check Enable
Local Group Setup
Local Security Gateway Type : IP Only
IP Address : RV042 Pulbic IP address
[Code].....
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Sep 18, 2012
I got no code, and as a matter of fact have no Internet connectivity to my Bluray player. When I go to my Bluray setting tab and run a network test the MAC Address checks out but fails when it gets to IP Address. My Bluray is plugged directly into my router and it still shows no Internet connection between the two, even though my x-box 360 has no problem nor does my computer. When looking at my network settings the IP Addresss boxes all have numbers in them, the Subnet Mask boxes two of four boxes have numbers the others are zeros, the Gateway boxes are all zeros, and the DNS Server boxes are all zeros. I read many of the posts in this forum and all problems seem pretty similar to mine.
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Jul 24, 2012
Environment :linksys wrt300n v1.1 which can have ddwrt-mega. Willing to tunnel all lan's outbound traffic through an ssh tunnel.
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Jan 23, 2012
I have a problem with my WAN ports. I can´t obtain a ip adress from my ISP. I´ve tried factory reset. Upgrade to lateset firmware. Clone MAC adress from my PC. Nothing is working.
But when I plug the WAN port into my Old router it receives an adress directly. When I plug the ISP connection directly into my pc or the old router it´s working as well.
I am using the latest firmware: RV0XX-v4.1.0.02-tm.bin
And My ISP has an interface with an ADSL modem SmartAX with DHCP.
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