Cisco WAN :: 887 Router - Two Outbound NAT On Dynamic IPs
May 27, 2013
I've got an 887M router which will be configured with two linke - one ADSL, one 3G - both of which will have (obviously) a separately suppplied IP address from the different ISP's being used. The 3G is a backup - plain and simple - for use only when the DSL service flakes out (which it does often)
Routing is pretty simple - I'll either do soemthing with a bit of PBR, or a simple weighted static, but the NAT has me scratching my head a little.
Can I have two outbound NAT pools (ip nat outside) for each interface which will be used ONLY for traffic going out the interface concerned?
For example, I have one for the primary link
ip nat inside source list 2 interface Dialer1 overload
Can I do the same for the second dialer interface like this
ip nat inside source list 2 interface Dialer2 overload
and have them automatically switch to using the dialer 2 IP for the outbound NAT if the dialer 1 link fails?
I don't think I've ever come across this before, so I'm not sure if it can even be done.
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Feb 20, 2009
I've purchased a WRT310N router to replace an existing wired router, and am in the process of setting up the outbound firewall rules. While I see settings to restrict access to all sites (or specific sites) for a specific protocol, I don't see an easy way to only allow access to one specific site.I want to restrict outbound SMTP to one server (my ISP's).
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Oct 23, 2012
I am trying to block outbound and inbound traffic on TCP 5222 and 5223 on E2500 but cannot figure out how. The reason is I have kids in my house using KiK (texting app) on iPads, iPods etc. My goal is to eliminate this applications ability to function for ANY wireless device connected to my WLAN.
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Dec 8, 2012
I have one Dynamic DSL line, this line plug to the Dlink router can work properly. But for some reason, we need to change to the cisco 877 router, when I conenct this line to the cisco router, it cannot work, the configuration seems incorrect. [code]
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Dec 30, 2011
I Have a D-Link 364M, and a dynamic IP. But I've had this IP for over 2 years now and it does not changeCalled the ISP, they said it's a router issue and I need to contact D-LInk. D-Link says they do not cover my router anymore so I can't get support. Unplugging the router for 24 hours did nothing So I assume the problem is some internal setting on the router website that is doing this.
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May 7, 2011
I am using Charter and have been at this location for several year. All was well until they added one of those "walled gardens" like Comcast uses.When the cable modem comes on, and the wireless router is turned on, the router has trouble getting it's dynamic IP from the network. If I plug my workstation directly into the cable modem - bingo - IP comes very quickly every time.I have tried multiple cable modems and multiple wireless routers. I use MAC cloning otherwise Charter doesn't give an IP ever. I have tried using both Unicast and Multicast for getting the IP but, it seems like the routers request/respond to DHCP differently than a Windows PC (Vista and 7) does. If a computer and router use DHCP differently? It is weird because when there is a power outage things generally come back on without a hitch. Though if I unplug/plug the devices manually it takes me half an hour or more to get an IP most times.
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Jan 2, 2012
set up Dynamic DNS on 2 wire router 2701HGV-E
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Jun 27, 2012
I'm using comcast broadband, motorola SB6121 modem and a edimax br-6424n wireless router.I set up everything myself and it worked great for 3 weeks.Usually, I have 2 laptops connected and iPad.[CODE]
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Aug 22, 2012
I have an Internet link, connected to my Cisco Router. The package I subscribed for comes with a dynamic IP Address. I was told, if I need to remote access into the Cisco Router, I need to enable the DDNS feature. Can this be done on a Cisco Router?
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Dec 18, 2010
how to configure the Cisco 1941 router for PPPOE with dynamic IP
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Mar 25, 2013
I'm wondering if there is a possibility to get my homepage provider's custom dynamic DNS service working on my Cisco SRP541W Router as I'd not like to be forced to sign up for either DynDNS or TZO which are available through the web frontend.
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Dec 12, 2010
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Jul 18, 2011
Any list of dynamic protocols that support BFD, 2821 router support for BFD dynamic routing protocols
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Feb 11, 2012
I've got problem trying to connect the CISCO-887VDSL/ADSL OVER POTS ROUTER to internet. Only got the LAN part working.I'm trying to setup PPPoE with dynamic IP Followed CISCO's documentations but the commands used were not recognized by the router.
here's my config.
!
! Last configuration change at 08:31:51 UTC Sat Feb 11 2012
version 15.1
no service pad
service timestamps debug datetime msec
service timestamps log datetime msec
no service password-encryption
[code]....
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Apr 22, 2013
Cisco RV042 Dual WAN VPN Router -how to configure dynamic DNS without having to use the pre-programmed DDNS companies that are populated by default if my DDNS company is not listed and you cannot manually enter another company that is not on the list?
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Jan 10, 2013
Region : Portugal
Model : TL-MR3220
Hardware Version : V2
Firmware Version : TL-MR3220_V2_121126_UK
ISP : OPTIMUS (26803)
I buy a Router TL-MR3220 and Forwarding e Dynamic DNS not work. I installed the latest firmware version (TL-MR3220_V2_121126_UK) and does not work well.
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Dec 6, 2012
I have two ISP, I want to divide Inbound to ISP1 and Outbound to ISP2.
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Feb 28, 2011
We're running 8.3(2) in the ASA5540. Users all over our enterprise connect to a business partner's application through the ASA/VPN. We have a class-b address space, and since the users are spread out all over the place, I have the entire class-b space as the local object in the ACL that allows traffic through the VPN tunnel.
The business partner has concerns that our entire address space is available to access the VPN tunnel. So I thought, to alleviate their concerns, to PAT all of our connections outbound to a single IP address.
How is this done in 8.3(2)? We use ASDM to configure the 5540. For example, say our class-b is 159.12.0.0 and the PAT'd IP address will be 199.30.36.6.
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Dec 19, 2011
I have a high speed wireless DSL router from my ISP (Telus). I use one port off the router to connect directly to my desktop computer. Another port is connected to a switch to which ethernet cables to three other rooms are connected. My problem is that when I connect my Bell PVR (9242) to the 'switched' ethernet cable, I'm apparently not able to get a dynamic ip address, which the Bell unit requires, and can't connect to the network.can I connect another router, in place of the switch, to deliver dynamic IP addresses to whatever I connect to the ports in the other rooms in my house?
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Nov 13, 2011
i have internet connection which is connect using dynamic ip address but if i add ip address in Local Area Connection i get two networks, one is internet dynamic ip & other one is ip which i setup in Local area connection. so if i select LAN network for lan clients i can access lan. but now i have DLINK DIR 615 router so what should be my settings?
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May 2, 2012
I have applied for a dynamic dns service, but need applying in linksys E1000 settings
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Aug 10, 2011
For about the past 2 or 3 months, I have been experiencing outbound packet loss at about the same time every evening. That timeframe is about 7 PM - 10 PM. This is most noticeable on Teamspeak 3 because of the voice disruption that other users report to me.
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Nov 17, 2011
I need to configure an existing 2600 router to use dynamic NAT for access to the web and ALSO I have (5) fixed IP addresses for use with an email server, a web server, and (3) future servers. I do not know the concept of how to set this up. I'm currently using dynamic NAT for the web and this seems OK but I dont know how to map my fixed servers. I assume this is done with static NAT. Do I need to add sub interfaces on the S0/0 T1 interface for each of these fixed IPs? Then do I somehow do static NAT on these fixed IPs to their respective servers?
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Oct 21, 2011
Both of these ISDNs are up, this gives us 4 channels. Someone said they recieved a busy tone when they attempted to dial out. I looked over the system and seen there are two outbound pots dial-peers. Each dial-peer references one of the BRI ports. The preferences are the same on each dial-peer. I think what is happening is that the system is randomly selecting one of the dial-peers due to the preference, even if both channels of the BRI are in use. How does the system know if that port has both channels in use? I've not used ISDN before, so tried to enter the B-channel sub interface and the system (UC500) tells me I cannot do this. I was thinking about adding each channel into a trunk group and then referencing the trunk group in the dial-peer. I can obviously add both BRI's into one trunk group.
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Jan 9, 2012
I just migrated our office network router to a RV082. While configuring it, I came across three problems:
(1) From our ISP we have four public IP addresses which I want to make use of for outbound traffic. With the previous router we used we could configure LAN IPs(ranges) to map to static public IPs. Does RV082 support this? I could not find an option for that at the web-interface. From what I understand the 1-1 NATing only goes both incoming and outgoign ways and actually is 1-1 and not the many-to-one I am looking for.
(2) How is it possible to configure incoming port forwards to use a specific WAN interface? Will it always be the primary WAN interface?
(3) Does the telnet access provide more configuration options? I could not log in to it with the same user credentials as with the web-interface.
Serial Number : NKS1532xxxxFirmware Version : v4.0.4.02-tm (Jul 4 2011 13:30:56)PID VID : RV082 V03Firmware MD5 Checksum : 1f84d8d0a2a8b99f9bfa4409e64547aaLANWorking Mode : Gateway
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Sep 20, 2012
I multi homed to dual ISPs using a single 6509e. Currently, I am only receiving a default from wash ISP and marking one with a higher local pref. most of my traffic flow is inbound, so this config meets my need. The issue I have: if either ISP has has an outage upstream from my directly connected peer, my router does not detect that and continues to send traffic out thru that provider only to be black holed. My 6509 will only support 256k routes, so full route tables isn't an option. I could receive partials from each ISP. Is there any other method to detecting this upstream ISP issue and then adjusting my local pref on my default to use the alternate provider path?
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Mar 31, 2011
I have a Cisco 877 on an ADSL connection. QoS isn't doing the trick -- I need to reserve 200 meg or so of my outbound (upstream) bandwidth for VoIP to end complaints about voice quality. Any example of how to classify SIP, RTP, IAX, and Skype traffic and put a rate limit on anything that doesn't fall into that category? The VoIP phones also are in their own IP range on the LAN side if that would make things easier...or I could even connect them into a specific port on the internal switch in the router.
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Mar 4, 2013
I multi homed to dual ISPs using a single 6509e. Currently, I am only receiving a default from wash ISP and marking one with a higher local pref. most of my traffic flow is inbound, so this config meets my need. The issue I have: if either ISP has has an outage upstream from my directly connected peer, my router does not detect that and continues to send traffic out thru that provider only to be black holed. My 6509 will only support 256k routes, so full route tables isn't an option. I could receive partials from each ISP. Is there any other method to detecting this upstream ISP issue and then adjusting my local pref on my default to use the alternate provider path?
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Jan 12, 2011
I need to attach a QOS policy to a layer 2 WAN interface between two sites. This is actually an extended LAN circuit with 500Mb/s of allocated bandwidth. The interfaces are Gigabit so I want to make sure I don't attempt to transmit traffic faster than 500Mb/s. What is the best way to implement an outbound QOS policy that sets the minimum and maximum speed to be the same? This policy will be implemented on a 4900M with the 20 port GigE module
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Apr 10, 2013
How can I filter outbound sys log messages, so they include only configuration changes messages..
On Cisco 2900 I used:
logging discriminator CFG LOG msg- body includes "PARSER" | "CONFIG"
logging host x.x.x.x discriminator CFG LOG
logging x.x.x.x
How can I do the same on 4507? This feature on Cisco routers is called "Reliable Delivery and Filtering for Sys log" and is available for 12.4(11)T and 12.2(33)SRB (7600) . I am running Version 12.2(25)EWA6 on my Catalyst, so it is not available.
The software I am using is a simple solar winds sys log server.
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Oct 5, 2011
I'm having some issues getting ActiveFTP to pass through an ASA 5505, I finally found out when I tested the FTP via cmd on windows(after the major hassle of getting credentials out of the software co) that it does open the connection on the control port, but whenever I try to send/recieve data the connection is dropped, for troubleshooting purposes I've even gone as far as opening up all ports 1-65535 with an acl to no avail, I believe the FTP traffic is encrypted with SSL(can't get a solid Y/N from the company).
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Mar 30, 2011
Below is the interesting part of my config. I have static NAT configured and working inbound for the Exchange Server and the Barracuda, however outbound traffic from those hosts comes out as the interface IP. Thoughts? I've tried a number of things (outside, inside), etc.
object network obj_any
subnet 0.0.0.0 0.0.0.0
object network DSN-EXCH01
host 10.250.231.51
object network MAIL-IN
host 10.250.231.50(code)
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Jan 30, 2012
I know I can use the RTR statement to determine when the primary ISP circuit goes down via this technote: url...My question can I assign static Nats on the backup ISP connection to the same inside servers in the dmz.?Example 10.1.1.11 is mapped to ISP1 ExternaIP of 65.217.77.11. Can it 10.1.1.11 also be mapped to ISP2's 208.217.77.11?This way I can get my DNS changed and my inbound traffic to servers in my DMZ on the asa 5510 running 8.0.3 code can continue to receive Inbound traffic.
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