Questions tagged [pppoe]
For questions about PPPoE (Point-to-Point Protocol over Ethernet), which provides a method to connect two PPP nodes by encapsulating PPP frames inside Ethernet frames.
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NAT configuration behind pppoe with virtual server
my CISCO 3925 router is handling pppoe, NAT, and DHCP server..
My local LAN is 192.168.1.x and it's behind that NAT.
I'm trying to enable access to a DNS server that's on this LAN (192.168.1.191 tcp/...
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2
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How PPPoE uses addressing to know destination Mac address?
Case.1 We know that when router connected via point to point(PPP) protocol then ARP isn't used to know the destination Mac address.
Case.2 When two router connected via PPP as well as Ethernet which ...
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In PPTP, do encapsulated packets get further encapsulated in Ethernet frames?
I know that for PPP to travel in datalink layer 2 (ethernet) , the ppp frames need to get encapsulated in a ethernet frame , thus PPPoE. Is the same case for PPTP too?
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Why is Cisco router PPPoE client configuration so complicated? [closed]
In some routers like Ubiquiti's UniFi Security Gateway, when you want to connect to internet via PPPoE, all you have to do is go to the web GUI or controller, go to WAN settings, hit the dropdown ...
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Why does PPP need an underlying protocol?
The Point-to-Point Protocol is (at least according to Wikipedia) a Datalink Layer Protocol.
I know that different use cases exist for it but on examining the image below from Wikipedia one can see ...
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Who initiates PPP Keepalives after PPPoE session is Established between Modem and BNG?
Hello Everyone,
In case of DSL Modem , normally service providers employ PPPoE connection between Modem and BRAS (BNG). We all know that when Modem dials , it goes through PPPoE stages namely 1 ) PADI ...
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IPCP removing default route when 2 available
I've been stuck on this one in my lab for a while. Any help is appreciated.
Here's my CPE edge topology:
https://i.stack.imgur.com/a1R6U.png
Take the below scenario:
I have 2 circuits coming in that I ...
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2
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PPP, Ethernet and PPPoE differences
Correct me if I'm wrong.
So,
Ethernet technology is being primarily used in LANs. And we use PPP in serial links. To carry IP datagram, we can use either layer 2 technology, such as Ethernet, or we ...
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489
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Configure 2 PPPoE wan trunk port
I have 2 routers from the same ISP but different public IP that works with PPPoE and I need to connect both into the same firewall (Watchguard).
Both PPPoE have the same user, password and VLAN, so I ...
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Worst-case efficiency of PPP escaping mechanism
Will transferring over PPP data stream containing only reserved bytes 0x7E, 0xFF, 0x03 reduce bandwidth by 50% because of escaping?
Then it seems to be very stupid if not say moronic. Such poor ...
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Not able to ping Dialer1 interface
I have setup a PPPoE server and client. I can't ping any IP address connected on the ISP router. I'm stil figuering out why that doesn't work. But the most simple problem currently is: I can't ping ...
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Configuring PPPoE client/server
I have a lab where I would like to configure an PPPoE client and server. I have a ISP and a router device who are both connected to each other with the FaseEthernet0/1 interface.
Client config:
...
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Is it possible to set up a DSL lab environment?
I'm trying to figure out if I can setup a DSL lab for training purposes.
If I have a switch or laptop running a PPPOE server, could I go from ethernet-to-modem then connect the modem's WAN port to ...
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How Pppoe subscriber with static ip sends ipcp request
How a pppoe subscriber with static ip sends ipcp configure request. For dhcp the subscriber can include 0.0.0.0 in configure request of ipcp packet and obtain its ip from remote server. But in static ...
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Dot1q tags, sub-interfaces
Please consider dot1q frames tagged 100 circulating on a LAN (VLAN 100).
To go out onto the Internet, frames have to go through a PPPoE sub-interface which is configured as below:
interface ...
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Can an Ethernet port with an SFP handle a PPP/fiber line?
AT&T put in a 150 Mbps fiber line at our business (not my home). They claim it uses the PPP protocol (I am told this is non-Ethernet), but is terminated in multi-mode fiber using 1000BASE SX (an ...
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Router as PPPOE concentrator, PPPOE clients unable to get to DMZed static NAT server
I've been trying to figure out this problem, and I'm just not up to the task.
I have a Cisco 2911 router as follows:
Internet connection on GigabitEthernet0/1.
Which has it's own static IP: A.B.C.38/...
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PPPoE Session Establishment
From what I have understood till now about PPPoE protocol.
The CPE (RG) is the PPPoE client which connects to the BNG and establishes a session.
The session is always alive unless the CPE is ...
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PPPoE setup Cisco 881W
I've been trying to fix this myself but I'm afraid I can't.
I've tried basically every tutorial already, but it still doesn't work.
Can someone here write a tutorial on how to get PPPoE working with ...
user39855
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PPPOE Config not working
I have a Cisco 881-W router with Cisco IOS C880 Version 12.4(24)T5.
For some reason I can't seem to get an IP on the Dialer. I'm probably doing something stupid wrong.
Interface IP-...
user39855
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565
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Why is L2TP based on PPP and not PPPoE?
I'm trying to grasp why L2TP is based on PPP. I thought PPP was a protocol for point-to-point situations where you don't have Ethernet. So why/how is L2TP using PPP in order to establish communication ...
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What does State PADISNT mean/stand for? (in CiscoRouter# show pppoe session)
I stumbled upon this while doing Person VUE Test Prep for CCNA and I came up with a question that google wasn't that helpful for. (This is just for curiosity, so a basic answer will do, but for others ...
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Huawei AR160 IPSEC over DSL Packet Loss
we are Struggeling with some IPSEC Configuration via a DSL Line on a Huawei AR169 Router.
When the Tunnel is running over an PPPoE Dialer we notice about 70% Packet Loss in the Tunnel. When the ...
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How to decipher, why the pppoe interface has disconnected?
I am using a Ubiquity Edgerouter X, which is connected to a Draytek modem. This is the log from the pppoe interface:
#######@ubnt:~$ show interfaces pppoe pppoe0 log
Tue Jun 13 06:26:00 IST 2017: PPP ...
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What is PPPOE line protocol?
In serial wan connection we use PPP or HDLC line protocols,but where would we use PPPOE?
What is Ethernet in this term 'PPPOE'?
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Where the password is stored when using ppp protocol
The question might sound dumb, but you never learn if you do not ask.
When using PPP as a datalink layer, it offers you authentication by using username and password.
Where is the username and ...
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Need help with PPPoE Subscriber Management on a MX80
I've been working with Subscriber Management using DHCP and a FreeRadius server and have been quite successful. Of course, once my company heard that it is possible for customers to bring their public ...
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PPPoE vs L2TP protocols
I am trying to find differences between PPPoE and L2TP.Both are tunneling protocols. When to use what?
thanks,
GL
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No RADIUS Accounting for Particular Server
We have a VoD server that's directly connected to Juniper MX104 BNG. Juniper MX104 is also acting as a BRAS. Right now if any user accesses that VoD server, all the incoming and outgoing traffic is ...
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What exactly is IPoE?
I am familiar with PPPoE but getting confused with the term IPoE. Is this same as usual ethernet with DHCP server? Does this have any auth built-in? How do I get authenticated? What can a client ...
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IPCP DNS : Configure-Reject [closed]
I'm working with a VxWorks PPP server running on an embedded system. There seems to be a problem with IPCP DNS negotiation. Each time the PPP server offers a IPCP to a client, the client seems to be ...
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PPP sessions on packet return?
Here is a picture of a an xDSL deployment :
The BRAS is the termination for PPP sessions. The customer modem establishes a session with the BRAS, gets authenticated and can then access the ISP's ...
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Configuring PPPoE client through OMCI on Huawei ma5608T
We've received an OLT ma5608T and an ONT hg8245H for a short period of time - we want to see if Huawei is better than Zhone.
We don't have a full documentation for this OLT because we're not a partner ...
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PPPoE interface doesn't use ARP
LAN border routers often use PPPoE protocol to communicate with ISPs and to access the Internet through ADSL.
This link provides an example of output of ifconfig about an interface using PPPoE (page ...
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Help needed with PPPoE interface on Juniper MX104
I've been trying to configure dynamic subscriber management on MX104 and pretty much succeeded too. The problem I am facing now is, the MX is listening for and responding to PADI but as soon as it ...
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Cisco 7609 BRAS, mix NAT and public IP addressing for PPPoE clients
I would like to combine private and public addressing to PPPoE clients from a Cisco BRAS.
Do you think is possible to do it using the same virtual template?
If I define ip nat inside in the PPPoE ...
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Why use PPPoE and not use IP directly?
As far as I understand, PPPoE operates over ethernet, so for PPPoE to be usable you should already be able to send Ethernet frames to your ISP.
At that point, why use PPPoE at all? Why not just run ...
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Fiber Network Bandwidth Control without Radius/PPPoE (Service Provider-Limit Client Bandwidth)
I have been reading and watching some information regarding fiber networks and their deployment. One interesting point that was raised was that in a fiber network generally a DHCP server is used for ...
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Load balancing among multiple PPPoE servers
What are the possible and efficient ways to load-balance users among multiple PPPoE servers?
I have tried with VRRP. Is there any other efficient way?
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Can I use PPPoE and DHCP simultaneously?
In terms of subscriber management, I understand there are two major approaches - DHCP and PPPoE.
I know I'm being very general, so give me some rope.
If using DHCP, RADIUS/AAA will authenticate the ...
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DSL upload link breaks down. Where to look and not to look?
In a small office where I set up the network, we recently started to experience WAN problems on the (V)DSL line. Specifically, up to three times per day the upload link breaks down to almost zero ...
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Link layer protocols used by ISP?
Newbie networking question here...
Do ISPs generally use the same link layer protocols (Ethernet, ARP to relate to network layer 3, etc.) that are used on LANs? In school I learned in some detail ...
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MikroTik: bisschoff load balancing problem? [closed]
I'm using bisschoff load-balancing .its really good and works fine.but it has a problem. The problem is when a adsl line don't have access to internet , it don't disable automatically and vice versa. ...
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Cisco PPPoE over FA with L2TP client only (no IPSec)
This started as a question, with my connection failing to come up, but after a bit of trial and error, the configuration is working, so I've edited it into a solution. Access lists and address ...
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Mikrotik API "no such command" when trying to get count-only of PPP connections [closed]
I don't know if I'm posting in the right forum. But well correct me if I am wrong.
I am developing a service that counts the PPPoE users per MikroTik Device in the whole network every X minutes. I'm ...
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Issue getting Cisco 891 to connect to NTU via PPPoE
Other devices (MickoTik, Windows Laptop with builtin PPPoE client) seem able to connect to the NTU's PPPoE with no issue.
Sanitized router configuration:
!
! Last configuration change at 06:55:18 ...
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Cisco IPv6 BNG Radius Attributes
I am trying to push out IPv6 unnumbered to an interface via radius. I am trying to do it in a similar fashion to how you would for IPv4:
Cisco-AVPair += "ip:vrf-id=vrf-name",
Cisco-AVPair += "ip:ip-...
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Link ADSL modem together [closed]
Is it possible to connect two (not more) ADSL modem together by using RJ11 in a local environment (ie: in a lab) ?
+-------+ RJ45 +--------------+ RJ-11 +--------------+ RJ45 +-------+
| LAN 1 |...
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Why PPTP, L2TP, PPPOE are in OSI Layer2?
PPTP, L2TP, PPPOE - these are tunneling protocols. And they are Data link Layer protocols. Why?
As I understood, Layer2 protocols work only in same subnet. They don't use IP addresses and cannot be ...
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PPPoE config with MTU
I wanted to check something about MTU size with PPPoE. Since PPP adds another 8 bytes, we should reduce our MTU to 1492 on our dialer interface. I wanted to actually test and do this, however I'm ...
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