Cisco Routers :: SRP521w Ethernet Sub Interfaces On WAN?
Aug 28, 2012
Have followed the admin guide, and can setup this up fine, however what we're wanting is to turn off any IP connection for the main wan ethernet interface and only have the sub-interface have an IP connection method.
I can't see how you can turn this off, which is causing a double-up of dhcp requests being sent when using both the main/sub ethernet interfaces to use dhcp.
This has been tested on the 521w and 521w-u versions, and I've just used the latest firmware 1.2.4 on the u version.
How can this be configured so that there is only 1 WAN interface that is using IP (the sub interface) Setting default routes to point to the sub interface doesn't make a difference.
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Feb 20, 2012
I curently have 2 Data centers connected with a Metro Ethernet Connection. Each Data Center has 6500 with Sup720s. The Metro Ethernet connection is currently conected by a L3 routed interface. I now need to enable VRFs between the locations and want to determine the best way to adjust the Mero. I was considering adjusting the routed interface to use Ethernet sub-interfaces. Each VRF would be given a different subinterface over the Metro Ethernet connection. I have done this on internal LAN connections but am concerned about exteding across data centers over Metro E.
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Mar 14, 2011
We've come across an issue whereby the WAN port fails to light up with an Adtran Total Access 832 (via bonded SHDSL) unit.
Eventually the WAN port does light up after connecting and disconnecting it several times with the ethernet cable. However as a test I power cycled the router with the WAN cable disconnected and had a strange issue where the WAN light would constantly flash and show up in the web gui as being connected when in fact the Adtran Unit showed the device was not connected at all.
This is the second Cisco SRP521W router in place as the original one disconnects overnight without any load and a power cycle would fix the issue, but this replacement router disconnects during business hours (even worse for the customer) and power cycling does not bring it back online. We've adjusted the WAN port to 10MB Full on both devices and hope that it stays up. I am wondering if any has had a similar experience? Would this be a behaviour of a faulty unit or may it not be compatible with the Adtran Total Access 832 (via bonded SHDSL) unit perhaps?
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May 21, 2012
I have a problem in connecting SRP521w with CCA v3.2. I tried to connect the device with CCA but it said that that the device is unsupported. I already upgraded the router's firmware with v1.01.26.
Here is what the CCA looks like every time I try to connect with the router :
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Jul 2, 2012
Cisco srp521w router vpn configuration. company has wan static ip to router. enable vpn Cisco server in router. connected with Cisco vpn client. route failed in log. Need to access a PC on the company site with address 192.168.15.105 and router with gateway 192.168.15.1.
How do i configure ip pool ? different ip address? if i connect how do i access pc 192,168.15,105 ? remote pc with 192.168.1.100.
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May 26, 2012
I have a router SRP521W I wonder if you can setup a self-attendant or ivr to this device.
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Mar 18, 2012
Is it possible to send all traffic through site to site VPN using SRP521W (on the other site ASA) ? Lets say, traffic to Internet from branch through HQ - site to site VPN between branch and HQ. I've tried to set up destination crypto policy entry to 0.0.0.0 0.0.0.0 but it's not accepted. Firmware version is 1.01.26 (003)
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Nov 3, 2010
Any recommendation for creating a configuration template for the SRP521W? I can use the Admin-->Backup Config to get a xxx.cfg file, but I cannot edit it with notepad++. Also, i know the config can be view via view-source: [URL], but how would I load a modified copy of this back to the router?
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Jun 9, 2011
I am trying to create a VPN between a SRP521W (only point-to-point VPN) and a UC560 (VPN server) and it seems it doesn't works (SRP doesn't create the tunnel).
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Feb 25, 2013
We have been using a SRP521W as the main Router for an office with about 25 users.
So on the cable network it's about 25 computers, 25 IP Phones, 3 printers. Wireless network hold some smartphones and tablets. Computer traffic is 100% Remote Desktop.
That said, for the last few days network connectivity sucks. I think the problem is, precisely, the SRP521W. Some mornings the WAN link is down and can only be brought up by a router reboot.
There's an IPSec tunnel to HQ.
Wireless network was moved recently to a WAP121 to offload the SRP521W. It has two networks: internal and customers with two VLANs.
CPU Usage is around 30-45% all day and spikes to 100% sometimes. RAM Usage is 40-45%. I do not know if this is "too much", "average" or "really low load".
Anyway, time for questions:
a) How can I get a table of active connections on the firewall/NAT to see if there anything "strange" on the network traffic that maybe causing issues?
b) Is there any know bug in the VLAN handling of the SRP that maybe causing the issue? (it's one of the latests changes introduced).
c) If the problem is that there's too much load for such a small router, what replacement would you recommend given the details above? (remember I do not really need wireless on the router as I have the wap121).
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Nov 24, 2012
I have one SRP521W-K9-G1 and need to provide guest internet access without access to my network. What is the best way to configure this?
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Jan 26, 2013
Just brought another set of SRP521W, after changed the WAN setting to PPPOE, we unable to access the web management. The power/sys light will keep blink when trying to access the web management. We able to ping it. We tried the reset button but it did not work as well. Is that a way to upgrade the firmware without using the web management?
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Oct 30, 2012
i cannot access the web managemnet interface of this router from a different subnet.THe WAN interface is a 4G LTE connection,I have disabled both the SPI firewall and NAT and enabled remote management from any ip address but i cannot access the admin web page from a remote subnet.Doing a port scan of the routers WAN or LAN address i cannot see any ports open at all...its as if firewall or NAT is still enabled somehow.
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Apr 4, 2012
Using a 3G USB Modem (Huwaei E153) the mobile network status is connected however the Wan Interface (AutoConfiguration -DHCP) is displayed as Disconnected (Physical layer disconnected).
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Dec 19, 2011
As you can see i have problems with connecting 2 SRP521W together for an VPN tunnel. I tried as much as I can but now i dont know what to do or how and where is the mistake? the connection between these two devices was there last week, after weekend (nothing changed in configs) the connection suddenly was interrupted, without any reason or warning. another day it worked again and 20 mins later connection was dead again...and now it wont establish at all.. here are some screenshots from the vpnconfigs of my devices. one has a static IP the otherone uses FQDN. These are the IKE policies: Here the IPsec Policies: and the GRE policies:
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Dec 17, 2012
I am looking to configure port up/down status alerts in our monitoring system. We are using ActiveXperts Newtork Monitor Manager, which supports SNMP GET, which I would like to use. The monitoring system supports a plethra of OID data types, which I've used (Integet, ASG_INTEGET, ASGN_INTEGER32) in the past with success on our Catalyst 2k's. I'm not certain what to use for the Numeric OID value to monitor the port states on our F1 and M1 line cards.
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Nov 22, 2012
I have a machine with two ethernet cards and internet connection, on which Ubuntu 12.04 is installed.Both ethernet cards can take ip adress automatically say,
eth0:47.168.137.14 and eth1:47.168.137.15
I can ping eth0 but can not ping eth1.
Is there a special setting for gettting both ethernet interface active and reachable at the same time.
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Aug 18, 2011
It is my understanding that ACLs can only be bound to logical interfaces using the access-group command. However, is it possible to somehow apply ACLs simply based on the ASA's local Ethernet interface? For instance, consider the following:
Device A with IP 192.168.1.1/24 is connected to Ethernet0/0 on the ASA. Device B with IP 192.168.1.2/24 is connected to Ethernet0/1 on the ASA.
Since both devices are in the same subnet and presumably the same VLAN, is it possible to manipulate the traffic to and from physical Ethernet interfaces using ACLs in this manner?
My predicament is fairly simple:
Internet --- ASA --- ROUTER
|
DMZ
In addition to NAT, VPN, and various other tricks, my ASA is also routing traffic from my internal LAN and the Internet to servers in the DMZ configured on the ASA. Due to a combination of Internet and DMZ traffic, my relatively slow ASA is struggling to route and thus becoming a bottleneck. My router is comparatively modest in terms of functionality when compared to the ASA but it is fast. My ideal solution would be to somehow harness the ASA's filtering capabilities for my DMZ but use the router to get traffic to and from my internal LAN into the DMZ without using the ASA to route it.
Additionally, it is worth noting that my DMZ is fairly restrictive so using protected or isolated ports would not quite work for me.
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May 18, 2011
I had a question regarding the Cisco 2811. I tried fitting an NM 2FE-2W card and the fast Ethernet interfaces of the module never get recognized. Is there a special command to enable it or isn't the module supported at all by the router. If not , is there a way to have the router possess more than the 2 Fast Ethernet interfaces it already has? Let me know if any more info is needed from my end.
Another question I have out of curiosity. Is it possible to make the controller T1 port of a VWIC 1MFT-T1 or a VWIC 2MFT-T1 act as a fast Ethernet.
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Oct 4, 2011
In the past Ive always used the 1841 router to run these smaller sites.10-20Mbps/ using 1941 with OSPF and using both ethernet interfaces?
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Aug 17, 2011
We have a Cisco 7206 VXR Router with NPE-G2. As everybody aware that, It has got 3 x Gigabit Ethernet Ports on this. We would like to add Two more Copper Gigabit Ethernet Interfaces. The Configurator does not show any options to add that...
Now we have a doubt that, Does this 7206 VXR support how many Copper Gigabit Ethernet Interface ?. There is no clear answer available in the Data Sheets.
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Dec 6, 2011
I know serial interfaces are called that because they put bits on the wire serially - i.e. one bit at a time. If that's the case for serial interfaces, how do other kinds of interfaces, such as Ethernet interfaces, put bits on the wire? Do they somehow put more than one bit on the wire at a time? I assume it's a faster process, but how so?
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Mar 11, 2012
Just wanting to know if there is a way to disable unused LAN interfaces of these Cisco 527W routers. Looking through the configuration interface it doesnt seem to have an option for this. Also I am having trouble logging into the router via SSH or Telent . When I put the password in it says "access denied" . But password works for the web interface..
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Mar 28, 2011
We recently switched from a ADSL2+ service to a 2Mb SHDSL link. Uploading images to our website is happening all day long, thus greater upstream bandwidth was required.
Our downloads are suffering somewhat, the upstream gets easily flooded and downloads start to trickle.
I have a SRP521W which has a few QoS options. The QoS Bandwidth control has upstream bandwidth set to 2048 Kbps. Now I don't know how to enforce anything. How to use the WAN strict high priority queue appriopirately.
The website has a static IP address, so I can target that in the rules to only use 80% of the bandwidth?Alternatively can I limit upstream traffic per user?
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Apr 28, 2013
Is there a difference in an ethernet cable and an Ethernet networking cable? I have an Ethernet cable and a 6 port splitter I am trying to connect. I have 4 ports in the router that are in use. When I connect them to the splitter nothing s working.
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Apr 28, 2013
I have a home lab. I am trying to connect a 1710 to a 2610 with just using the fast ethernet ports. I understand that serial connections and t1 csu/dsu connections use clocking, etc. How can I configure FA ports to do the same AND be routable?
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Sep 10, 2012
Cisco SRP527W-U.
We would like to configure it in the following way, 1) we have an ethernet termination for the WAN 2) we have 2 different vlans going to 2 different switches.
Can we have the default gateway for 2 LAN subnets and a default route via a /30 for our WAN. Can we use the 4 switchports for this?
switchport 1 VLAN 2 (Switch 1 LAN)
switchport 2 VLAN 3 (Switch 2 LAN)
switchport 3 VLAN 4 (Link to Data centre switch with /30)
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Aug 25, 2012
We have a network in place. A week ago we switch to AT&T's UVerse and they replaced the Motorola modem with a Motorola NVG510 modem/router. There was a Netgear router behind the original Motorola but since we only needed 4 ports I pulled that out of the loop and used the Motorola. The three computers connected directly to the Motorola came right up. However, there was a switch with two computers connected to it and when the switch was connected niether of the computers connected to the switch would go to the internet. I took one of those off the switch and connected directly to the Motorola and immediately connected to the internet. Put it back through the switch and nothing.
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Jun 9, 2011
I have on my ethernet linux box, that is responsible for IPv6. This box is configured as IPv6 gateway from my network and it also sends RA to the network. All devices on ethernet network can work on IPv6 without problem. Clients, that are connected to WiFi, they just receive the RA from this box -> this packet is sended over WRVS4400N to the wifi network. But all other traffic do not pass the WRVS4400N, so the wifi client is not able to ping the IPv6 gateway. There is no problem on IPv4, there the wifi client is able to communicate with any ethernet device.I have tested WRVS4400N setting "ipv4 only". If I switch on "ipv4 and ipv6", than all devices will get some additional IPv6 adresses and the communication from WiFi client to IPv6 router is not working again. How to configure the WRVS4400N to bridge all IPv6 traffic between WiFi and ethernet?
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Mar 28, 2012
I am have a little trouble setting up my home lab. I have a 3620 with two ethernet ports and a 3640 with four ethernet ports. I also have a 3500XL switch that I am using to connect the two together, but I can't seem to get each one to ping.
Here are my configs:
3500XL
3500XL-BottomSwitch#show run
Building configuration...
Current configuration:
!
version 12.0
[Code]......
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Apr 10, 2011
What i am trying to do is that i have a server in my store which has a running software for the store. I have a TP Link Wifi card installed in my pc.. i need to access the server using an ip through the ethernet cable. And i access the internet via the wifi device installed and running in my pc. the problem now here is that i cannot access both of the simultaneously. If i connect back the ethernet cable the browser does not browse or the internet does not work.. and i can access my server software.. as i unplug the ethernet cable my wifi card installed starts working all good and i can use the internet.. i have tried a little of soultions but have not been successfull enough to use both the connections simultaneously..
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Dec 8, 2012
How do I use an Actiontec 1000 modem (with wireless) and a TP-Link 4 port cable/DSL router and still have a wireless signal? When I connect the ethernet from the modem to the router, the router lights come on but the wireless signal goes down. Want 2 PC's wired (only one port on modem) and still want wirelss signal.
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Apr 1, 2012
i have one machine have 2 Ethernet devices and i need to connect this server to different 2 network with 2 different gateways (192.168.2.x "vpn network" and 192.168.1.x "adsl network" )so if any other one need to connect this ftp server can connected from vpn or adsl
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