Cisco WAN :: 2800 Can't Ping Directly Connected Devices
Mar 28, 2013
I'm trying to configure a 2800 series router. .I'm consoled in and put a basic config on the router (see attached). After putting this basic config on, I plugged it into a small unmanaged switch, changed my laptop's IP and plugged it in the switch also. I can't ping the router from the laptop and vice versa. This is the second switch I've tried this with, so it must be.The first switch, I installed at location, connected a cisco cable to it and a local server, so i could remote in and finish configuration. In that scenario, I had plugged the switch into a managed switch and had the same result as I'm getting now--can't ping IP addresses (can't ping the switch's IP, not can it ping local IPs).
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Nov 3, 2012
We had a problem where a 4500 would not ping directly connected devices dispite being able to telnet to them and also view them in CDP. It was mostly forwarding packets between devices but some hosts could not connect to others.
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Jan 16, 2012
if you have two no of win 7 computer , and you run ping command at the same time at both PCs but the successfull at only one PC , second computer shows unsuccess full ping
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Jan 18, 2013
I am trying to connect my 2800 Series CIsco Office router with VPN client software from home. I can successfully authenticate and get the IP address from the pool configured but couldnt ping any LAN Ips including default gateway. I am pasting my router's configuration.
IP Address Of LAN: 192.168.22.x/ 24
IP Addresses handed out to Clients: 10.10.10.5- 10.10.10.20
aaa new-model
!
!
aaa authentication login default local
[code]....
I have noticed that my virtual-access interface comes up but the line protocol of virtual-interface remains down as follows:
Virtual-Template100 x.x.x.x YES TFTP up down
Also The client PC picks up a random gateway of 10.10.10.1 which I never configured anywhere on the server.
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Aug 15, 2012
we have the following setup for our network :
UserNetwork - ASA5550 - WAN Router 2911 - ISP Netowrk - Branch Routers 877s / 1941s
Since last week we started noticing this problem that the branch users started to complain of slow application response.. After verifying it with the ISP and middle network we noticed that if i ping from my machine (ie usernetwork) to the WAN Router interface (facing the ASA) , i get time outs.. which is strange cause this is directly connected to it via ethernet cable.
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Oct 24, 2011
I have an Cisco 6500 CS and there is a Cisco Unified Communication Manger Server connected directly to the Core Switch.I tried to change duplex and speed ( fix and auto ) for both sides, but the same problem.
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Sep 18, 2011
I have a copper over ethernet connected to an adtran 908e connected to an ASA 5505 with a port 192.168.150.254 connected to the router on the Gigabitethernet 0/0
I can ping to internal and external ip addresses but when a device is connected through the wireless signal then the device cannot ping anything; what could be stopping the device from pinging any ip addresses internal and external?
I posted my current config for the router and ap:
Router:
Current configuration : 2245 bytes
!
! Last configuration change at 16:03:06 UTC Tue Sep 6 2011
[Code].....
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Feb 7, 2013
I wounder if there is any way to ping the local deviceses connected to a network hosted by a Cisco 1921 router? I wan't to be able to ping the device(computer name) but currently cant do that.
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Apr 14, 2013
Do the devices connected to the DAP-1522 communicate directly with each other or do they communicate through the router.My DAP-1522 is set up as a bridge connected to my DIR-825. The reason I ask is I've set up an HTPC connected to the DAP-1522 and I also have media devices connected to the DAP and am wondering if they'll communicate with each other directly or if they have do it by going to the router and back. That way I can use my HTPC to serve media to my devices at local speeds.
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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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Feb 29, 2012
Why isn't it possible to make following configuration:
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Mar 27, 2012
Can an ip address be NAT'ed to an ip address on a PIX 515 which isn't an ip address of a network directly connected to an interface on the PIX?
Specifically, can a host with an ip address of 150.140.102.3/26 which is connected to a network whose PIX firewall interface is 150.140.102.1/26 be NAT'ed to an ip address of 150.90.70.1/24 which is not a ip address of an interface that is directly connected to that same PIX 515?
I've attached a PDF depicting the network topology and describing the above.My first response to this question is that it can't be configured to do this, but need either a confirmation or correction to this.
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Dec 6, 2012
I'm having an issue where internal hosts cannot access the internet but I am able to ping external hosts when I console into the router. The router is a 2800 series. [code]
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Jan 14, 2013
i'm using WLC AIRCT5508-K9 software version 7.3.101.0, ISE, cisco prime infrastructure 1.2 (1.2.1.012), and using Odyssey access client manager all running well but here the problem, when a user connected to our SSID, the status of connection information especially on access point.. there appear that "Access point : WLC2-ISC-JKT-GCC".that is the WLC not the access point, is there any miss configuration from me..
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Oct 9, 2011
I recently acquired an E4200 Linksys router.Is it possible to connect to it using telnet (from LAN)? For example I would like to start a ping command directly from the router.I tried to telnet using command line shell from Windows and it failed to connect on port 23.
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Apr 11, 2013
I am trying to test (if possible) the idea of having 2 6509-E switches connected directly to each other while using VRF-lite (Sup 2T). The idea is to have 3-4 separate networks. For example Net-A, Net-B,Net-C, Net-D. There is no PE router*, just these two switches. Also, there sin't any other access layer switches. All users connect directly to the 6509-E's via switch 48 port switch blades.
Net-A and Net-B on separate VRF's, but able to talk to each other. Net-C and Net-D* on separate VRF's without being able to talk to any other. Net-D* will have a PE since it comes from an external network. This is something I would like to test in a lab environment, but I am not familiar with VRF's.
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Jan 15, 2012
I usually connect my PS3 to a switch which then goes to the BuT Home Hub and it works fine. However, I want to connect the PS3 directly to my Hub but when I plug it in to the Hub, it doesn't connect to the internet at all. Is there something I have to configure in order to get it to work?It is a PS3 160 GB Slim with Firmware 4.0.
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Nov 11, 2012
I've been trying to find a response or a fix to this issue for a few weeks now.My DIR-655 RevB router is currently at firmware 2.07NA, and has speeds of around 30Mbps down and 10Mbps up when connected directly through wired connections.However over wifi, I am only getting around about 5 Mbps down and 2 Mbps up. I've tried the 'usual' fixes suggested on here, change broadcast signal to manual, not auto, shutting of QoS shaping, all of that. However nothing seems to be improving the speed.
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Jul 17, 2012
access points are directly connected to 2016 wlc.Event log from the wlc
AP event log download completed.
======================= AP Event log Contents =====================
*Mar 1 00:00:30.157: %LINK-3-UPDOWN: Interface Dot11Radio0, changed state to up
*Mar 1 00:00:30.161: %LINK-5-CHANGED: Interface Dot11Radio1, changed state to reset
*Mar 1 00:00:30.190: %LINK-3-UPDOWN: Interface Dot11Radio1, changed state to up
*Mar 1 00:00:30.191: %LINK-5-CHANGED: Interface Dot11Radio0, changed state to reset
[code]....
but still access points are not functional ?
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Dec 1, 2011
I have a CAT 3560 connected to a ISR 2911 The 3560 has 2 subnets ( 192.168.1.0 /24 and 10.10.10.0 /24) The 2911 has interface GigabitEthernet0/1 on the 192.168.1.0 /24 and another GigabitEthernet0/0 on a WAN connection 172.16.7.246 I need to NAT both the 192.168.1.0 /24 and the 10.10.10.0 /24 to the single address 172.16.7.246 I have to use route-maps . I have IPSec VPN's and ZBF on the 2911 My problem is the NAT does not work for the 10.10.10.0 /24 network!Why?is my only option to use trunking between the 3560 and 2911 and subinterfaces on the 2911? I want to avoid sub-interfacing.
=============================================================
On the Cat 3560=====================!vlan 40name the 192.168.1.0 /24 subnet!vlan 60name the 10.10.10.0 /24 subnet!interface FastEthernet0/7description Connection to Router Gig0/1switchport access vlan 40!interface FastEthernet0/16description Connection pc host on the 10.10.10.0 /24 subnetswitchport access vlan 60!interface Vlan1no ip address!interface Vlan40ip address 192.168.1.4 255.255.255.0!interface Vlan60ip address 10.10.10.10 255.255.255.0!ip classlessip route 0.0.0.0 0.0.0.0 192.168.1.1
=========================
The host on the 10.10.10.0 /24 network has the 10.10.10.10 address as it's default gateway The host can not access the WAN thru NAT....
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Jan 9, 2012
My Data Center has one single core switch where is connected several servers, one port is the link to the router wan and other port is the link to the FW, my boss wants to install 2 nexus in order to replace the single switch. All my network has only one address, for example 192.168.10.0/24 if I connect two nexus 7010 in VPC and Domain, each nexus is going to has 2 modules with 48 port 10/100/1000 rj45 and i wan to connect servers directly to each nexus, with this figure i'm going to have a group of servers connected in two different nexus, Do they can have the same network 192.168.10.0/24 considering that the nexus are in the same vdc and vlan and have only one gateway for both groups? If the answer is positive, which nexus would be the gate way for that address, the primary or secondary? Or i must have a different address for both group of servers, i mean for example 192.168.10.0/24 and 192.168.12.0/24?thus each nexus would be the gateway for that new address?
To have two nexus connected by VPC in a Domain mean that one computer connected to one nexus can share the same address or vlan with other computer connected to the other nexus????
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Sep 9, 2012
We have a 3750X VTP Server and the rest of the switches are clients.
Due to cabling issues, we have a switch (Switch F) that we can't connect directly to the 3750X so we have it connected through another switch. Everything is set to VTP client with the correct domain and password but this not-directly-connected switch isn't receiving any VTP VLANs.
Anything I need to do on Switch D so that Switch F can receive the VTP updates?
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Oct 27, 2011
I have a setup where there are two networks. A 172.16.0.0/16 and a 10.1.0.0/16 that are separated by the dlink router. I am able to ping from the 172 network to the 10 network using a laptop that is directly connected to the router and that laptop can also browse the web fine. However, I cannot ping to that router or access that subnet at all from the 10 network (if I try to access its LAN (the 172 network)). The 172 network is on its LAN and the 10 network is its WAN. I can access its WAN fine. Also, there the router is not recognizing the laptop as a "directly connected deivce" but its not preventing the laptop from using the router. I have tried to make the router as least secure as possible but still nothing.
I thought about making Static Route to point towards the router's LAN but the only option it gives me is the WAN for the exit interface.
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Jun 9, 2011
I have been using my DIR-655 for about 2 weeks now with Road Runner wideband services. Starting yesterday my internet became very slow and I discovered the cause was the router. I tried resetting it to factory settings and things will be fine and run smoothly for about 5-15 minutes but after that it goes back to being extremely slow. My speed tests would go from 10ms (normal) to 250-450ms. Before this issue occurred the Dlink was perfect, had full speeds. I am running a wire Ethernet connection.
I am currently using revB and tried upgrading firmware to 2.01NA which had no effect, but make my internet seemingly go back to normal for the first few minutes then nosedive again. I have also changed my speed/duplex settings in Network Config to 1gbs Full Duplex. I've also disabled QoS, and still no change. Not sure what else to do. When directly connected to the modem everything seems fine. The modem is also the provided Motorola SBG6580 which I have called Time Warner to set the modem into bridge mode and have the DIR-655 connected to it.
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Mar 3, 2013
I recently added a business cable modem to relieve some of the congestion I was getting on my T1 for our MPLS network. There was an ASA 5510 collecting dust in a closet here and I thought it would be the perfect device for firewalling the traffic coming in from the Cable modem, and handling the routing of our internal MPLS traffic as well. Internet setup was cake. The test laptop I have using the ASA as it's gateway has great internet service but it cannot ping across either of our MPLS networks. I have one MPLS with AT&T and one MPLS with EarthLink. My hope was to use the cable modem as the Default route for all unspecified internet traffic and route our internal MPLS traffic to the cisco 2800 routers that are currently in place for the MPLS. I can ping across the MPLS when I telnet to the ASA, but I cannot ping across the MPLS from the client that is connected to the ASA.
Here's the topology I'm working with
Internet
|
Cable Modem
|
ASA 5510 10.52.120.23
[Code].....
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Jun 27, 2010
A specific switch port which happens to be part of a 2 switch 3750 Switch Stack is seeing multiple CDP packets from 3 extra switch port interfaces that are not directly connected. Noteworthy is that the far end devices have the correct CDP entries and I physically confirmed at least two of those connections that lead to the switch "upstream to the culprit switch". Tricky part is that its production so room for maneuvering is limited. At some point I disabled all Ports save for the real uplink and the problem momentarily disappeared. Re-enable the interfaces problem resurfaces. Is there an explanation, technique to eliminate the culprit with minimal disruption?
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Jul 18, 2012
I have a Cisco 7206VXR running 12.4(24)T3 IOS. It is configured with WCCPv2 using L2 mask redirection. I am using service groups and associated extended ACLs to select which subnets I want to redirect port 80 traffic from.
It is working fine for the subnet 192.168.1.0/24....
int gi0/2
ip wccp 10 redirect in
ip address 192.168.1.99 255.255.255.0
... however, there is OSPF running between the router and a Mikrotik device directly connected to this interface. The gateway addresses for all the client subnets are on the Mikrotik. Traffic from other subnets, e.g. 192.168.2.0/24, 192.168.3.0/24 come in on this interface and I want to redirect those too. But it appears that the redirection doesn't work for those subnets (I don't see any hits on the relevant ACL for any subnet except 192.168.1.0/24).
It seems like the router only wants to redirect traffic for subnets that it has an IP address in itself. Admittedly, all of the example configs i've found on cisco.com are for redirecting traffic from directly connected subnets but I can't find anything that denies thie possibility of redirecting any traffic that comes in on a given interface.
The question is, is this how WCCPv2 redirection works? i.e., the router must have an IP address in the subnet to be redirected?
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Mar 1, 2013
I had both a Westell 7500 and a Linksys Router working fine and had my 360 setup as an extender for Windows Media Center so I could stream TV, Music, Movies, etc from my desktop to the 360. Then I switched my modem/router out with a Zyxel PH5001Z
So now today I noticed that I can no longer find my desktop through the XBox. I have adjusted my firewall settings on the modem itself, even completely disabling it. UPnP is enabled for the 360 and the device is showing under my device table. At first I wasn't able to ping any network devices but after creating an ICMPv4 Firewall rule it worked fine. I've confirmed the XBox IP Address through Network Map, the Device Table on the modem and through Network Settings on the XBox. I've diabled my modem firewall as well as Windows Firewall, completely and I still can't ping my XBox or set it up as an Extender.
I have the XBox connected wirelessly using WPA2-Personal and it's operating in 802.11g/n mode.
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Aug 15, 2011
I I use a Linksys E3000 router. Sometimes when I look at the network map I see a device called "Unknown." It appears as though the two notebooks sometime are going through this device to access the Linksys E3000. (I've checked when both notebooks are on and I can determine what devices are connecting directly to the router and what devices are going through this unknown device.) Is there any way to determine what this unknown device is?
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Apr 14, 2013
I have 2 Cisco Catalyst 6509 switches connected directly using direct point to point link.The OSPF is configured for point - point link.The currently the interface is down administratively.I will unshut the port . After that i would like to know how much time will it take for the ospf to establish the neighbour relation.
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Sep 27, 2012
I have 4 x 2960 switches in a remote site. These are managed by an NMS in our DC, the NMS IP ends in 35.100 with a /23 mask.
When they are first booted, the switches are visable to the NMS, but after a week or 2, 3 of them drop connection to it. If you reboot them again they are fine. You are able to log onto them form thier local router and use a Radius server which is in the same subnet as the NMS.
The odd thing is, whilst they can not ping the NMS, they are able to ping any other addresses in the 34.0/23 range.
The config on the one that does not lose connection is the same as the other 3 and I have also rebooted the NMS.
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Mar 5, 2012
I have several cabinets with top-of-rack N2K's attached to N5K's via FEX's. 9 cabinets with 2 switches each.
Recently I added 3 more cabinets to the mix, for a total of 12 cabinets with 2 switches each.
I can get into the new switches and see the FEX's and configure ports, etc. but no device I attach to the 'new' N2K's is pingable over the network. I can take the same device, same cable, and attach it to a legacy N2K talking to the same N5K's, and it immediately joins and is pingable over the network
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May 25, 2013
vrf ping is not happening between two pe devices in 7609 router having VS-S-2T-10G modules with 15.1 SY1 IOS version? Is there any commands need to add? between pe devides ldp is running properly and ibgp too. I am doubtful about VS-S-2T module.
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