Cisco WAN :: 1941 Interface Ping Fail?

May 27, 2012

I have configured eigrp routing on cisco 1941 ISR with two interfaces advertised. However i can not ping the router interface on g 0/0 but can ping the device and computers attached to that network. When i ping from the same network i'm able to ping the interface but not from anyway else. i can also ping the other devices on other network from g 0/0 attached hosts. How can i enable ping to this interface so that i start monitoring the network?
 
Below i have attached the network configurations for the router;
 
!boot-start-markerboot-end-marker!!enable secret 5 xxxxxxxxxxx!no aaa new-model!no ipv6 cefip source-routeip cef!!!!!multilink bundle-name authenticated!crypto pki token default removal timeout 0!!license udi pid

[Code].....

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Cisco WAN :: 1941 ADSL Fail Over To 3G HWIC With IPSEC VPN

Jul 23, 2012

The setup is a S2S VPN with failover to 3G HWIC in a Cisco 1941 however the IPSEC tunnel needs to remain up through 3G if ADSL fails.The failover works ok, however when plugging ADSL back in, the - "sh crypto session" shows both dialer 0, and dialer 1 with the crypto map session to the other side of the VPN and either side is now not pingable.The NoIP DDNS updater client runs on a server in the network and all IP resolution to host1,host2 works ok (other side of VPN is Cisco 1921 with ADSL HWIC and 3G HWIC). [code]

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Why Does Tracert And Ping Fail

Feb 28, 2013

I can't tracert or ping certain websites or servers for games.Before I go on, no I wasn't doing this because of DDoS-ing. I was doing this so that I could find an exact latency number for a gaming server. Now, to continue.What I mean is if I try to ping this server, the session will timeout no matter what the millisecond limit is (using CMD)

Ping: Pinging (IP Host Name) [IP] with 32 bytes of data
Request Timed Out
Request Timed Out
Request Timed Out
Request Timed Out

[code].....

Why does this happen? I am pretty sure this is a security tactic used to stop DDoS-ing, but why does it not matter how long I allow the tracert or ping to run? I really want to understand this so I can understand how people don't get traced as well as don't get DDoS-ed. I didn't put any of the IP's just to keep it anonymous. If you really need the host IP, I will supply it, but I will not supply the tracert IP's.

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i have a problem with a cisco 857-K9 router. We can access internet but if we ping a web server, every first ping fail but all others works...

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Mar 31, 2012

I have a new 3560G to set up a small network for a remote site. I configured the vlan and an SVI as the gateway. The switch is also the DHCP server for the LAN. I configured Gi0/2 as L3 port, connecting to the nearest neighbor. My network runs EIGRP so i advertised the routes into the EIGRP process. The switch forms EIGRP neighbors and learns all routes in the enterprise network. The problems I'm having now are: 1. The switch learns all routes in my enterprise LAN and can ping devices in the enterprise LAN, but I can’t ping any interface on the switch from the enterprise LAN. 2.

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Cisco Switching/Routing :: ASA 5505 Cannot Ping From Inside Interface To Outside Interface

May 1, 2012

I have a Cisco ASA 5505 and I have my internal and external interfaces configured but I currently cannot ping from the inside to an IP Address on the outside.  I had this setup and working and I have another set of equirement that I am replacing that is working with my service provider so I know it is a configuration issue.  When I ping 4.2.2.2 for example I get:
 
Destination host unreachable
 
Do I need to add a static route from my inside interface to my outside interfaces?   

: Saved
:
ASA Version 8.2(5)
!
hostname pxasa

[Code].....

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Cisco :: Reload 1941 Router When Ping Test Fails

Apr 9, 2012

I am trying to create a Script to reload my cisco 1941 router when a ping test has failed.I am using IP SLA to ping and tracking snmp oid. What I want to do is to stop the router from reloading after 4 times if the ping test is still failing . But when the ping are successful again to restart the applet. I have the reload configured but cannot figure out how to do the rest. [code]

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I am currently using g0/3 for failover between my two ASA5520's.  I would like to move that to the management interface to free up g0/3 for a second DMZ segment.  are there any implications to doing this live other than i would only have a single ASA during the move?

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Loss connection every day for several hours and just comes back.  Reset router than works fine.  Only about six months old.  Found several forums staing the same problem.  I have a RV016 16 port VPN router.  What can I do? 

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Cisco WAN :: 1941 Router ATM Interface Went Down While Applying QoS?

Sep 28, 2011

c1900-universalk9-mz.150-1.M4.3
 -------------------------------------------------
Device#   PID                   SN
-------------------------------------------------
*0        CISCO1941/K9          FCZ1510C50V
Technology Package License Information for Module:'c1900'
----------------------------------------------------------------
Technology    Technology-package          Technology-package
Current       Type          Next reboot

[code].....

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Cisco WAN :: 1941 - Configuration / Interface Does Not Appear To Be Getting Any DNS Servers?

Sep 30, 2012

Having a problem configuring my new 1941 Router. The 0/0 interface is attached to my broadband and gets it's ip via dhcp, the 0/1 interface is connected to my lan and has a dhcp pool. My problem is that the 0/0 interface does not appear to be getting any dns servers. So i have either missed something or need to add the dns servers manually to my dhcp pool. Below is my config,

[code]...

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Cisco WAN :: QoS Policy Fail On Vlan Interface Of Router 3845

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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Cisco Switching/Routing :: 1941 Router Interface Binding

May 16, 2012

Router 1941 is installed with additional 4 Gig-interfaces card; we have 4 ADSL Router with 4 MB connections. I need to connect all the ADSL connection to the router 4 port and combine them into 16 MB, is there any way to combine 4 Gig interfaces?

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Nov 20, 2012

Router interface for N450 DB fails to load/loads slowly/loads partially. I am running Windows 8, and have tried IE10 both from Start Screen and desktop, no luck.

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Cisco Switching/Routing :: 1941 - Use One Ethernet Port (G0/0) As Primary And Other (G0/1) As Backup Interface

Jan 20, 2013

Here's my problem.  I'm going to be using Cisco 1941 routers at a bunch of remote sites.  All of these sites have 2 comm paths out.  Some of them have 2 IP/VHF radios and some have 1 IP/VHF radio and a copper link using Patton ethernet extenders.  From the VHF radios the data hit our MPLS network back to our HQ and the sites with copper go directly back to our HQ.  Everything ends up at a Cisco 4948 switch. The problem I'm having is that I want the routers at the remote site to use one ethernet port (G0/0) as the primary and the other (G0/1) as the backup interface.  I've tried the backup interface command but the problem is that depending on where an outage occurs the ethernet link to either the radio or Patton stays up so it never switches over. We're using OSPF as our routing protocol and I'm sure there's something that can be done with it but I'm not sure what. 

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Cisco Switching/Routing :: 1941 / K9 Unable To Ping Over Site To Site IPSEC

Jul 12, 2012

I am trying to set up a site to site ipsec connection. AT site A, I have Vlan's 652-10.55.216.0/24, Vlan653 -10.55.217.0/24, Vlan 654-10.55.217.0/24 and Vlan655-10.55.219.0/24 and at site B, Vlan650-10.55.214.0/24 and Vlan651-10.55.215.0/24.The problem is that I am unable to get any associations when i do a "sh crypto isakmp sa"/"sh crypto ipsec sa" on either router at each site.I am also unable to ping by pluging in a laptop into the site at each site. Laptop at site A is set to access vlan 655 and laptop at site B is set to acess vlan 651. I can ping all the devices from one end to the other.I have turned on debug crypto isakmp, debug crypto ipsec, debug crypto ipsec errors but dont get anything at all as output.I have attached the sh run for each router Cisco (1941/K9) and switch (Catalyst 3750) at each site.

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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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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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Dec 11, 2010

I've configured a lot vpn server for 857/1800, etc. But this has never happened.I configured 881 as VPN server using CP.Shared key, local group and local user authetication with split route.Local pool 192.168.100.1-254? I have acl for telnet which allows local pool IPs.I have acl to deny local network to local pool IPs for NAT.I've deleted the whole settings and re-run the wizard. It's still the same thing. I can connect from the VPN Client, but no traffic going through. The problem to me is isakmp with DPD. But why it is dead? Why no response from the server? If it is an error, why connection has no problem.

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May 12, 2013

I have a cisco ASR 1002 I have plugged a host into an addressed port and the port comes up however the host cannot ping the router and the router cannot ping the host. Neither can router ping its self. I do the same on a cisco 2800 router and it works fine. What's goin on. Is it the fact that this is a ASR router ?

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Jan 14, 2013

I have lots of 857's routers in the field with mostly the latest OS - 12.4(15)T17 making ezVPN connections to a 2951 with 15.1(4)M5.All the 857's have lookback and vlan interfaces similar to :
 
interface Loopback0
ip address 50.43.8.1 255.255.255.255
ip tcp adjust-mss 1452
end

[code]....
 
Now lately for some or other reason we have instances where I can ping either the VLAN or the LOOPBACK interface, but not both. Or I have instances where the 2951 can ping all the interfaces on the 857, but the 857 can not ping the 2951. Or I have instances where the 2951 can not ping the 857, but the 857 can ping the 2951.The way I have been fixing this is either to add crypto ipsec client ezvpn SMS_VPN inside to the loopback interface, or if it is there already to remove it. This usually works for a few days, but then suddenly I have to reverse this again. If that does not work then I usually do lots of clear crypt sess and/or clear crypt ipsec client ezvpn on the 857, or clear crypt sess remote 857_ip_address from the 2951 and then suddenly it starts working again.

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Sep 19, 2012

I have recently installed an ASA5510 at a site in South Africa to connect via VPN to a site in the UK (ASA5520).  The VPN comes up fine with the 5520 in the UK, however, I can not connect to the inside interface over the VPN, but can access it from the internal LAN.  All other hosts on the LAN are accessible over the VPN.
 
The 5510 also has another VPN to another site in SA and the 2nd site cannot ping the interface either.

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Feb 3, 2013

I cannot seem to ping from the outside of my 5520 firewall to an inside network. I have a single physical outside interface connected to a Layer 2 switch, with a laptop connected to it. This is on network 10.11.131.0/28. From there, I cannot ping to the inside interface (which is a sub interface on G0/0) with network 10.11.130.0/24/ For some reason, it doesnt work.
 
Now. I had access-lists in place, but have removed them for testing and it still doesnt work. I have set the security level of inside and outside to 100, and entered the same-security-traffic permit inter-interface command - still no joy. Below is the relevant configuration.
 
Inside Interface
interface GigabitEthernet0/0.96
description L3 Interface - Informational Zone
vlan 96

[Code].....

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I've had some issues with my 892 router. [code] When match address is set to acl-net12, I can't ping my router on external interface and tunnel is working very bad (15%-20% packet loss).If I change match address from acl-net12 to acl-net12-new then I can ping my router on external interface and vpn si working fine.
 
I have also an acl (set on external interface) which allow ping but it seems that is not working when acl-net12 is used on crypto map. [code]

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Nov 14, 2011

I have a Cisco ASA 5505, the problem is I am not able to ping to outside natted interface (ip: 172.88.188.123 and 124 and 125) from inside network I have looked for ASA documentation through the internet and still got nothing.

the config are:
  
: Saved
:
ASA Version 8.2(1)
!

[Code].....

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Feb 7, 2012

I have one problem doing a ping to a router lan interface, I have 3 routers (2801) connected between each other (separated 1 mile each), the link is established trough microwave signals (connected to the 2801 fast ethernet interfaces), every router has a connection to a LAN. One of them is located at headquarters.Last thursday I replace one of the router with a cisco 2901, i configure the router with the same configuration that was on the 2801, i power up the router and the 2 link were up without problems.One day after the noc called me to tell me that after i replace the router they can't ping the router IP lan interface on the new 2901 (before the replacement the ping was sucessful). I called one user the lan connected to that 2901, and they can do a ping to the router's LAN IP address.

I can ping the 2901 IP wan interfaces, I can ping the LAN users ip address, but i cannot ping the router LAN IP address, from my desktop, and neither the 2 routers 2801 connected to the 2901.I show the configuration on the 2901, I couldn't change it because i didn't have time to do that, but i'll change the configuration to use ipsec tunnels.The configuration as you can see, has a crypto map, but the acl used by the crypto map, only permits the interfaces ip address, so i think that doesn't work, so the traffic doesn't get encrypted, but i don't know if that is the problem why i can't do a ping to the lan interface. [code]

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I'm trying to set up a Guest VLAN for wireless at a client site, and I feel like I'm missing something small in the configuration, since I can't ping any of the VLAN interfaces from my laptop when the address is statically set to something in the 172.20.100.x range.

I've pasted the configs for the ASA 5505 and the 6 switches below for convenience. Near as I can tell, all should be well. The ports are in trunking mode, the "show cdp neighbors" command returns the proper information, VLAN 100 exists on all the switches, etc.

Code:
ASA Version 7.2(4)
!
hostname ASA
domain-name xxxx.local
enable password Cj3LF.ehxXN3xVkxWcxd encrypted
passwd Cj3LF.ehxXN3xVkWcxd encrypted
[Code] ......

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I  ran into a very strange icmp ping issue. The network has been working fine other than the issue listed below, L2L VPN works fine and all three data centers can access each other via L2L VPN.I have three ASA5510. [code]

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What would cause an interface to show up/up (looped), but you still can't ping that loop?...It is on a Cisco 7613 with an Enhanced FlexWan (WS-X6582- 2PA), with a Mx Serial PA, 8 ports (73-1580-10) and running IOS ver 12.2(33)SRE2 [code]

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I have an ASA 5505 that I'm trying to set up a guest network on.  I've configured an interface as a trunk and allowed the 2 vlans but I'm not getting any layer 3 to it.  The switch connected to it is a 3560 and port is configured as a trunk with the same vlans.
 
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[code]....

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