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.
View 1 RepliesI'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).
View 2 Replies View RelatedI'm currently taking a networking course and was having some difficulty answering the following questions and could use a little clarification.Question: When pinging a non-existent device on your subnet, why doesn't the source node issue a ICMP echo request.My thoughts on this was because there was not a receiving node therefore any ICMP packets were not issued.Question 2: when pinging another non-existent device but not on your subnet, why doesn't the source node issue a ICMP echo request.
View 2 Replies View RelatedOne computer does not see the other through pinging...but somehow we are connected...strange i know. My confusion ( being network illerate ) is with the names and etc. and some terminologies ie ..client? host? I have found in the past when someone triesthey use words or areas that do not coincide with my system...which is laptop with win 7 prem and desktop XP sp3
View 2 Replies View RelatedI am have 3 machines int he house connected to the internet but one does not have internet access. It shows connected to the wireless network and from the command prompt there is an ip assigned to the laptop. But i cannot ping the gateway or any ip I get General Failure.
View 1 Replies View RelatedDo 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.
View 1 Replies View RelatedWhy isn't it possible to make following configuration:
View 9 Replies View RelatedCan 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.
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..
View 5 Replies View Relatedif 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
View 2 Replies View RelatedI 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.
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.
View 2 Replies View RelatedI'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.
View 8 Replies View Relatedaccess 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 ?
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....
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????
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?
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.
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.
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?
View 4 Replies View RelatedI 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?
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.
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.
View 9 Replies View RelatedI have a single WRT54G v5 that has treated me very well over the years. I have too many devices right now and I'd like to throughput of N, but have failed to find one that is measurably faster or as stable than my current equipment. Most recently I tried a D-Link DGL-4500 and regardless of hours of configuration, research and support I was left with slower-than-expected speeds and dropped connectivity about once a day.
I want to be able to stream media to all 3 BoxeeBox's simultaneously while browsing the internet on a few of my devices and I don't want to have to reboot my router daily or even weekly.
So far I have come to a preliminary conclusion that a solid setup for me would be a ZyXEL ZyWALL USG20 and 2 to 3 Ubiquiti UniFi AP's. While the USG20 does intimidate me, I have several solid network admins that have told me they'll set up the network for me and walk me through it.
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?
View 5 Replies View RelatedI 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.
View 5 Replies View Related1)i have problem in LMS 4.2 , he shows most devices not connected to topology sitting lonly even though the have cdp enable , how to force these to join the topology
2)why some devices are shown unreachable , even though i can ping them from lms server and gets reply, also they have community and cdp configured
My wireless router [Linksys WRT54G] has recently been dropping the connection simultaneously between two desktops. I have one desktop plugged into the router with an enthernet cord, but the other is running a wireless card. I recently got a Windows notice stating that there is an IP address conflict between my two computers. I check my IP addresses using my ipaddress.com and both computers are sharing the same IP address. I also checked the connection with my smartphone and when I am connected to the internet through my wireless; it gives me the same IP address as well. So, every device I'm using through my router is giving the same IP address at my ip address.com. I'm assuming this may be what is occasionally knocking my router offline, causing me to have to reset, but it will knock both computers offline within a few minutes of resetting.
I believe that all 3 devices should have different IP addresses when connecting to the internet, so is this a setting I need to adjust in the router, and if so where do I go, or can I try to assign one of my desktop computers a new IP address? I have no idea why my smartphone would be using the same IP address when connected through the router either. I'm going to guess that the problem is with a setting within my router.
What's happened is that after transferring my old PC's data onto my new one, and putting that one in place of my old one, therefore hooking up my modem to it, my wireless devices have been having trouble connecting to the router. Everything's hooked up fine, and it was working perfectly before, but now my devices such as my laptop and Droid Pro can SEE the router (As in connect to it and say that they are getting excellent signal strength), but when I try to open my browser, it asks as if I'm not connected to anything at all. The PC that's wired to the modem through the router works fine, however.
View 14 Replies View RelatedI 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].....
On the System Summary screen in the Port Statistics table when you click on one of the Connected links the pop open window does not show the IP address of the connected device when using IPv4. Where can I find this?
If the devices are using static IP addresses and not getting them from the DHCP server they do not show in the Client Table under DHCP Status.
If they are know MAC addreses because they have been assigned to static IPs on the DHCP setup screen they will not show up in the Uknown MAC Addresses pop up window.
It started happening back in around November, my sister and my computer would start freezing occasionally, slurring the audio into a robotic sound, eventually to come to.It gradually got worse, and I assumed it was a graphics card problem since it would freeze ONLY SOMETIMES and say that the graphics driver stopped working and has recovered. It usually didn't say that, though.Lately though, I noticed that when it would freeze sometimes the internet would go out for some connected devices, such as the Xbox 360. The only computer that was NEVER affected by this is the one connected directly by Ethernet to the Netgear router, (every other device is WiFi.)
Sometimes even, my sister and mine would freeze simultaneously. It was a sort of rare occurrence, though.I very lately started to notice that it would freeze when trying to load internet components with larger amounts of data, such as server console logs, Flash videos, and Soundcloud players. What threw me off is that it would sometimes freeze in programs like FL Studio or Windows Media Player... It's possible I guess that the programs were unrelated and what caused the freeze is SOMETHING sending/receiving corrupt packets.
I have a wireless G router and all of my devices that connect to it right now all have wireless adapters. I have several devices in a media closet (about 3 or 4 - Blu ray, DVR, ect) that only have wired ports. Since all these devices are right next to each other, I don't need to buy a wireless adapter for each one because that's just pointless. is there a way to have all 4 of these wired devices connect to a central device, which in turn this device connects to my wireless network? I know there is a way I just haven't been able to figure it out.And then, with this new device, is there some special way it has to be configured?
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