Cisco WAN :: EHWIC-3G-HSPA+7 Fail Over Between Two Connections Are Handled By IP SLA Echo And Track
Dec 3, 2012
I am having problems with these types of 3G cards(EHWIC-3G-HSPA+7) from Cisco.We are using them on ships where we have a SAT connection and the 3G connection. Fail over between the two connections are handled by an IP SLA echo and a track on the cellular interface, towards an public IP where we have configured a static route to via the Cellular interface.
Once configured the connection comes up fine, the VPN tunnels comes up and all is good.But after some time the connection dies, the track goes down because no data goes through.a sh cell 0/0/0 all however say that the profile is active.
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May 8, 2012
we set up a 1941 with c1900-universalk9-mz.SPA.151-4.M3.binand tried to bring up EHWIC-3G-HSPA+7 in the vrf. [code]
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Apr 21, 2013
I need to make some perfomances (like up/down GRE tunnels) on Cisco ISR 2921 by sending SMS. It could be doing by using 3G modem like a Huawei and a server with some expect/SSH-scripts.
But ISR gen.2 has EHWIC-3G modules, which working with GSM networks and they can send/recieve SMS. I think, that it should be an EEM event or some another way to track comming SMS and process it by TCL-script — get a sender number, SMS body and make usefull perfomances on my router (up/down GRE tunnels in my case).
If I done this trick only by using an ISR router and EHWIC-3G module, it will be much more stable scheme in that we dont have extra components (server, modem) potentially may falls.
Unfortunately, there are too low information about configuring this modules (especially, SMS-part) and I dont find usefull for me.
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Nov 15, 2012
How I configurate EHWIC-3G-HSPA+7 card on 2911.
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Jun 2, 2012
why I can't use cisco ehwic-3g-hspa-u card in cisco 2800 series and 1841 series router?documentation said that it should work with that devices but when I installed it, it doesn't work even as device i can't see I am using cisco latest ios advance ent. 15.1(4)M4?
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Jan 9, 2012
we are trying to configure 1841 with dual Internet connection with failover using track.
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Sep 20, 2011
I have an ASA 5520 running, user web trafic, incoming VPN and systems NAT for DMZ services. Nothing new for a standard firewall. I have upgraded the memory in it to 2GB, per Cisco so that I could install and run IOS 8.41. I have uploaded the both the IOS bn image and the ASDM 645 image and set it as the primary boot file. When I reload the ASA, everything boots fine, no errors and all traffic appears to be working fine.But here is my problem:ALL the previously configured VPN sessions will connect to the ASA and show that they are passing traffice (TX and RX increments through the monitor) but if I try to access a device on the other side of the VPN or they try to access services in the corporate network, the connection fails. Ping works, So I know I can reach the devices and the tunnel has been correctly created, but nothing else, . I did not change anything in the configurations for the VPN connectors.But, if I reload the ASA with the 8.21 version image, everything works just as before and all connections are good.
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Sep 18, 2012
We have a second ASA 5510 that is suppose to be a hot standby. I need to find out that, as a hot standby, does it have to have the same licenses as the ASA that it backs up. We purchased 50 SSL VPN licenses for that unit. If it fails over, we need to make sure the failover asa can allow SSL VPN connections.
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Feb 22, 2012
I have a IOS firewall on a 2921 router, zone-based config. The remote and main sites have Cisco WAAS , running 4.4.1 software. I am using WCCP redirection on the WAAS/router combination. If I leave it off the firewall passes SSH correctly to the devices on the other side of the firewall. If I enable WCCP the SSH connections fail. The SSH to the router itself is fine, I am not using the self zone for router protection. I had seen a few posts on WAAS but the only one mentioning a config statement in the firewall was on 4.0 WAAS and the command is no longer on the IOS firewall. Is this supposed to work transparently or am I missing a config?
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May 19, 2012
We have a site with two inbound circuits, one for internet and one for our MPLS. Each circuit is being terminated by a 2921 Router and matching ASA 5510 Firewall. For the internal network, the Internet ASA's inside interface (172.16.0.1) is the default gateway for all hosts. OSPF is the routing protocol between all the routers and ASA's and routing is working. In fact, ICMP is working as well. From an inside host (172.16.0.81), we can ping anything on the MPLS network. But when I try to use telnet (for example), the connection fails. If I add a route to 10.10.10.0 to the host, or re-configure the host to point to the MPLS ASA (172.16.0.254) as it's default gateway, connections will establish.
Both ASAs are running 8.4(3), and have the following commands:
same-security-traffic permit intra-interface
interface Ethernet0/0
nameif outside
[Code]....
And from the MPLS nodes, I can see a tcp request is made.
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Feb 22, 2012
We have two Cisco 2960 TT-L switches. I'd like to reduce single points of failure and have dual servers for most tasks. For example, two firewall servers and two web servers. Should one server fail the other will act as a failover.I'd like to extend the redundancy to the switches, and am thinking of connecting one web server to one switch, and one to the other. In the event a switch failed a set of servers would still run, and be able to talk to each other.I'd like to run two VLANs, one for the LAN, and one of the WAN, and connect the two VLANs on each of the switches with the associated VLAN on the other switch.
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Jan 22, 2012
Have a very peculiar issue with IP SLA. Firstly, the architecture.
1) There are two sites - A & B. Both have their own internet connection.
2) Sites A & B are connected via MPLS.
3) Both sites have the below topology.
3750 CORE --> FIREWALL -->ROUTER ---> INTERNET
4) 3750 has a Default route pointing to firewall .
5) MPLS router is connected to 3750. A default information is originated via BGP to MPLS at each location. So that default route is learnt as a backup path from any location if it has to lose its local internet.
6) IP SLA has been configured at each location to track the default route using icmp-echo to hit a public IP (i.e 4.2.2.2 as an example).
Issue?ICMP probes from Site-A via its local internet fails abruptly. I can reach the public IP mentioned above from my firewall pretty fine, but not from my 3750. Whenever i remove the tracking from the static default route & push in the plain default route without tracking, it works fine. Again, if i add the tracking back, it will work fine for an hour or so & then fails back again. To my bad, Site-B had recently gone offline due to some natural calamity. So, there is no other path for internet.
My config looks pretty simple
track 10 ip sla 1 reachability
!
ip sla 1
icmp-echo 4.2.2.2 source-ip 10.1.254.1
frequency 180
ip sla schedule 1 life forever start-time now
ip sla enable reaction-alerts
!
ip route 0.0.0.0 0.0.0.0 10.1.254.1 track 10
I am running IOS version 12.2(53)SE2 (IPservices images).
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Apr 16, 2013
I have ASA 5510 with soft version 8.4(5) installed. There are two interfaces:
IP 1.1.1.1/24 - inside
IP 2.2.2.1/24 - outside
I have configured PAT, so network 1.1.1.0/24 gets NATted to 2.2.2.2 address. Everything works fine, except I can't reach 2.2.2.2 via ICMP from the internet.
X.X.X.X 2.2.2.2 Deny inbound icmp src OUTSIDE:X.X.X.X dst OUTSIDE:2.2.2.2 (type 8, code 0)
But I have configured an access list allowing ICMP from any to any: access-list outside_access_in extended permit icmp any any
Thus address 2.2.2.1, which is binded to outside interface itself, is perfectly reachable via ICMP.
I've got two questions:
1) Is there a way to fix it? It will be handy for diagnostic purposes.
2) is it possible to configure the secondary IP address on the interface on ASA? I've read, that there are some complications.
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Jan 14, 2013
I'm having problem getting ICMP echo monitoring on outside interface to work. I've set: icmp permit host monitoring_station_adress outside but I still get:
%ASA-3-313001: Denied ICMP type=8, code=0 from monitoring_station_adress on interface outside. I'm trying to directly monitor ip on ASAs interface outside.
I have access-group tied to "in" direction on interface outside. Do I still have to put "permit icmp" rules despite the fact that icmp permit outside command is set?
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Apr 6, 2011
I have many HWIC-3G-HSPA cards as backup connections and I need to keep them up for monitoring purposes. Being a backup connection they get little interesting traffic for them to spring into life but they are the source interface for a tunnel interface (we use DMVPN). The interface still insists on going down. I have even added static routes to the DMVPN hubs over the cellular interface and they still go down. What command do I enter to always keep them up? I had originally used 'dialer idle-timeout 0' and then removed it altogether which the same results. Below is what I have now.
interface Cellular0/1/0 ip address negotiated ip nat outside ip virtual-reassembly in encapsulation ppp dialer in-band dialer string gsmscript dialer-group 1 async mode interactive ppp chap hostname //username// ppp chap password //password//
ppp ipcp dns request
access-list 1 permit anydialer-list 1 protocol ip list 1
line 0/1/0 exec-timeout 0 0 script dialer gsmscript modem InOut no exec transport input all transport output all rxspeed 7200000 txspeed 5760000
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Jun 20, 2012
I've recently changed my DSL connection to HSPA because of low speed of DSL connection (2000).
Anyway, I need to build up 5 Ghz networking at home but there is no dual band HSPA modem router on the market. I need a router which supports DLNA/UPnP for NAS Server. So, I have couple of solutions...
1- I can purchase dual-band Asus RT-N66U and use HSPA/UMTS stick to use this router as main router. I can do this because RT-N66U supports sticks via USB.
2- I can connect my HSPA modem to a dual-band router via LAN and by changing IP adresses I can use dual-band router again as a main modem router. This can be no problem via WAN but my modem has no WAN connection. Is this possible via LAN?
Or do you have any other solution how I can get my 5 Ghz netwroking at home using HSPA connection.
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Jun 6, 2011
I have a router HUAWEI echo lifeH9520b Broadband wireless how do I find WPA security pass phrase?
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Jun 15, 2011
I've been using hwic-3g-hspa with 1841 before but now I'm using 1921 and I'm always getting timed-out
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Oct 11, 2011
I have found in my storage a device: PCEX-3G-HSPA (attached a photo of it)
And wanted to use it, but cant find any drivers for it. My OS is Windows 7 64bit. How to make this device to work under Win 7?
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Dec 4, 2011
I am working with a strange problem at the minute with HP's NIC Teaming with Transmision Load Balancing.We have a HP blade system the Server is connected to 2 cisco 3020's and then those 2 switches are connected to a 3750 Stack consisting of 2 Members.
Theres an LACP ether channel consisting of 4 Gigabit Ethernet Ports to each 3020 from the 3750 Stack.They both have exactly the same configuration and all ports are up and the channel looks healthy.
When setting the Preference order on the server if I set the NIC connected to the 1st Cisco 3020 as primary i.e. Tx/Rx then everything is fine.If I set the NIC Connected to the 2nd Cisco 3020 as primary then all seems fine i.e. I can ping it, it can access services outside its own vlan and the internet. It cannot however ping anything connected to the same subnet and VLAN on the 3750 Stack.
Doing a packet capture on a server connected to the VLAN on the 3750 stack I can see the Echo Requests coming in and the server sending an echo Reply but the echo reply never gets back to the server with the teamed NICs.
I did a Layer 2 traceroute and all looked fine, all the MAC Tables were good.I thought maybe it was a layer 2 loop causing the problems but I have checked and re-checked STP and can't find any problems. STP has picked up one intentional loop and blocked it.
I've raised a ticket with HP to see if they can point me in the right direction but I don't think it is a problem with there Drivers. It definately seems like a networking problem.
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Dec 13, 2011
In order to meet our requirements we had to configure PAT for TCP 80 on 2 external IP addresses to one internal IP in DMZ. TCP port 80 is being translated for both external IP addresses and it works as expected. However, since we have migrated to ASA both external IP addresses don't respond to ICMP echo requests generating following error:
%ASA-3-106014: Deny inbound icmp src outside:<Source IP> dst outside:<Destination IP> (type 8, code 0)
Previously we have been using Cisco router to achieve the same objective and it worked well.I have noticed that when I add "same-security-traffic permit intra-interface" to a configuration the message mentioned above stops appearing in a logs.
As far as I can tell ASA sends packet back through outside interface, despite the fact that appliance advertises its mac address in response to arp request for the same external IP address.Is there any way to make ASA realise that it should respond to ICMP echo requests on external IP addresses that have forwarding setup?
I do realise that ICMP would work in 1-to-1 NAT scenario, but we can't apply 1-to-1 NAT for 2 external IP addresses to point to one internal IP address.
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Feb 7, 2013
How do I disable ICMP echo on ea4500 - I don't see anywhere either in Connect or directly on the router web interface that allows this.
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Dec 12, 2011
Within the space of a few days we've had 2 HWIC-3G-HSPA-G cards appear to fail on different router models. In each case the sh cell x/x/x hardware output is empty i.e no firmware version or other data provided and the radio status is off. Attempts to force the interface down using the test ....modem-power-cycle or radio-power off get the same error message that the modem is still in reset. Reloading the router does not clear this so we recently tried to update the firmware using the latest version off CCO. The upgrade using the microcode commands failed with an error of "unable to determine the modem state".
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Nov 24, 2012
I am experiencing inconsistent echo-replay from devices connected via VPC to Nexus 5500s while pinging from the Nexus exec prompt.
In some cases I receive normal response when pinging from one Nexus, but no response when pinging from the other switch. In other instance I receive normal response to one Nexus, and duplicate replays to the other. It looks like a VPC related bug. NXOS is 5.1.3.N2.1
5501# ping 10.12.12.232
PING 10.12.12.232 (10.12.12.232): 56 data bytes
64 bytes from 10.12.12.232: icmp_seq=0 ttl=253 time=8.585 ms
64 bytes from 10.12.12.232: icmp_seq=0 ttl=254 time=9.227 ms (DUP!)
64 bytes from 10.12.12.232: icmp_seq=1 ttl=253 time=1.011 ms
64 bytes from 10.12.12.232: icmp_seq=2 ttl=253 time=8.097 ms
64 bytes from 10.12.12.232: icmp_seq=2 ttl=254 time=9.429 ms (DUP!)
64 bytes from 10.12.12.232: icmp_seq=3 ttl=253 time=18.195 ms
64 bytes from 10.12.12.232: icmp_seq=4 ttl=253 time=8.807 ms(code)
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Feb 13, 2012
Need to clarify if ip sla icmp echo operation is supported in catalyst 3kx switches (ip services)? on the configuration guide, commands are available, but on the feature navigator, i can't find the feature, only ip sla video operation. i don't have a device to test on here.
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Nov 28, 2012
I have a Dell XPS L502x (Core i7, 6 GB RAM, 2GB NVIDIA graphic card, 750 GB HDD)My laptop does not have HSPA mini card
Is there a possibility to add a HSPA mini card
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Sep 5, 2012
i have a dell mini 10 that had ubuntu but i put vista on it and after i did it my network controller wont install and i downloaded almost every driver dell had and one worked but i had the 39 error code, the driver that worked was DELL_WIRELESS-5530-HSPA-MINI_A06_R220877 but had 39 error code
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Mar 3, 2013
I have an 1921 that I use for L2TPv3 tunnel connection with 2 sides. I need to add others 2 sides and I thought to add an EHWIC-4ESG on my router. Can I configure different xconnections with this module? I would like to configure my router as below: [code]
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Apr 5, 2011
We have Cisco 2811 router with Hwic-3g-HSPA card. When I configure the system everything was fine. Around two weeks 3g interface works, got IP address ,everyting was fine.Yesterday I check the sytem and I saw that cellular interface become reseting itself, without stoping.We have 2 g.shdls and one 3G connection on the same router. dialer 0 ansd dialer 1 for g.shdls, and dilaer 3 for 3G connection. [code]
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Oct 6, 2011
According to specifications fo Cisco ISR G2 2911, it has got 4 EHWIC slots. But in [URL] appears that Cisco2911 supports only 2 HWIC-2FE or only 2 EHWIC-1GE-SFP-CU.
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Sep 13, 2012
I have two EHWIC VA -DSL cards in a Cisco 2901.
I want each to connect to a separate ISP, one ISP for VOIP, one for Internet. I want to then have a VLAN for VOIP, a VLAN for DATA
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Feb 11, 2011
I am using a Cisco 3925 router and attempting to install an EHWIC card with no luck. The card I am trying to install is EHWIC-D-8ESG.
I have powered down the router, inserted the card into the proper slot and my router doesn't seem to recognize the new card. Is there a command I need to enter to enable the card?
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Jul 25, 2012
I am thinking about buying Dell 5550 module to my Latitude E6410. I know that for E6410 is designed 5540 module, but newer 5550 for E6420 has ability to use faster HSPA+ networks.
So my question is, any info on this combination of Latitude E6410 and Dell 5550 module?
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