Ping Time Out When Attempting Tracert / Traceroute?
May 15, 2012
I'm working as a network engineer for a service provider, and we had just gone through a pretty large scale upgrade throughout our network and service.But not long after the upgrade (or maybe ever since the upgrade, we can't confirm this because we probably missed it out due to many other links to be tested), we met a peculiar problem.Everything seems to be running fine most of the time, but there has been some weird 'ghost-like' activity which have been causing inconsistent network disruptions. At times, certain portions of the network can't communicate with other subnets.And most obviously is the problem with a continuous ping and a traceroute simultaneously. Ping is usually normal, but until a traceroute is attempted, it times out at the same time as tracert fails to obtain the route.Besides, performing a ping from the 2nd closest hop address, 10.250.253.251, which is a cisco layer 3 switch also has problems, the results shown are as belowType escape sequence to abort[CODE]
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Mar 17, 2011
They time out however I can connect to google/ect on my browser.
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:UsersHannah>ping www.riftgame.com
Pinging www.gslb.riftgame.com [208.94.26.135] with 32 bytes of data:
Request timed out.
Request timed out.
[code].....
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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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Apr 21, 2011
How can i enable this machine to be accessible throught PingTracert
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Oct 7, 2012
I am currently using Time Warner Cable as my internet provider and I have been experiencing very slow internet connection speeds for the past few weeks. This has happened across multiple laptops and desktops both wireless and wired connections. I have done a ping and tracert test but am unable to read the results.
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Dec 12, 2011
Why does the sx300 series only displays ping and traceroute results in 20ms intervals (see below)? The example in the CLI manual shows "regular" results. These 20ms intervals are not useful for troubleshooting. This is version 1.1.0.73 on an sf300-24. [code]
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Nov 22, 2011
We recently upgraded to Windows 7 at work and my laptop was part of the first deployment. Laptops are imaged so that all configurations/software are already set and done. My problem is as follows, my laptop is part of domain, when I am at work I can ping anything just fine (network computers, printers) BUT when I am at home, I can't even ping my own PC. It returns back with the same address over and over. No matter what I ping when I am at home, it returns back with the same address. I can ping blah and it will display same address over and over. The weird part is I can ping websites no problem, but if i ping random names it will format as follow.Lets say I want to ping lost, below is what i get (I made changes to hide domain and IP)
Pinging lost.domain.com [70.99.199.99] with 32 bytes of data:
Reply from 70.99.199.99: bytes=32 time=57ms TTL=50
Reply from 70.99.199.99: bytes=32 time=58ms TTL=50
Reply from 70.99.199.99: bytes=32 time=57ms TTL=50
Reply from 70.99.199.99: bytes=32 time=58ms TTL=50
[code].....
Notice how my domain always shows up? When I am connected to the VPN at home, I have to log onto our intranet using the IP, I can't use the name, it wont direct to it.
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May 14, 2013
I have a cisco 2021 router and I configured firewall and Site to site VPN on it, but recently Ism experincing and issue with, I have dropping in the connection and this issue, this make the VPN connection to have a slow performance and some time disconnection.
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Oct 17, 2011
when do we get Desteination host Unreachable and time to live exceeded while trying to ping .
From 10.1.1.1 icmp_seq=2 Destination Host Unreachable
From 10.1.1.1 icmp_seq=4 Destination Host Unreachable
From 10.1.1.1 icmp_seq=7 Destination Host Unreachable
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Aug 31, 2009
I have a brand-new WRT160N router (just installed FW v3.0.02) that I am using in mixed mode, 20MHz only, Channel 11, not filtering anonymous requests, beacon at 2306, RTS at 2307, fragmentation at 2346, MTU at 1400.
These settings bring the response from a simple ping command over the wireless network down to approximately 6ms on average, which is good. However, when I still noticed inconsistency with my internet response over wireless, I decided to do a test.
By simply running the "ping" command on 192.168.1.1 (the router address) over the wireless network repeatedly (approx 3 seconds between commands), I can see that approximately every 65 seconds or so, router response time increases to over 100ms for a few seconds, then decreases down to 6 ms or so for another 65-70 seconds. See the chart below. The interval looks pretty consistent to me, with the exception of one stretch where it goes for over two minutes without a spike. I see this pattern regardless of what else I'm doing over the network. I do not see this behavior running the same test when physically wired to the router (ping response time is a flat line at 0ms).
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Nov 7, 2011
I have a specific website that i cannot reach. I can reach all other websites without any problems.I have read this URL and followed the same instructions.I made the tracert and here is what i got.
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Nov 9, 2012
Each time I'm rebooting my E3200 device my ping to my ISP is 20ms. Few hours later the ping goes up to 300-500ms.Than I reboot again and the ping is going down to 20ms again.
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Jan 22, 2012
I have newly deployed network. I have two ASA5520-AIP20-k9. both connected to ISP and configured as Active/standby failover. the ASAs were working fine at first but later on, the internet connection becomes very slow. the ping reply i am getting from my next hop(ISP router) varies during the peak hour is some times in 2000 msec or above but during off hours, the ping reply time is 1 and 2 msec. when I directly connect my laptop to the link that comes from the ISP its ping reply is 1msec and 2msec. I thought the ping reply of the ASA5520 to the ISP gateway should be constant and should be 1 and 2 msec regardsless of the traffic passing through the firewall.
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Oct 1, 2012
My customer has various Cisco switches but only cisco 2950 switches has the problem of ping timeout or reply time is too long(average more than 2 sec). It will cause I Network Mangement software alarm always.
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May 30, 2013
I have a fresh out the box asa5510 with 8.4 on it.I have built these before but for some reason cannot get this one to work. I am consoled on, have applied the following config but can still not ping to or from, can not asdm, cannot http/s. Arp table shows device it tries to ping, but device trying to pping it has incomplete arp entry. [code]
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Nov 23, 2011
I have a ASA 5505 as a default gateway to a network, whenever I tracert to outside it shows every hop ip address as the ip address I'm trying to get too, quick example
lets say I'm in a 192.168.0.0/25 network but I want to trace to 10.10.10.10
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Sep 12, 2012
We all know that MS traceroute and *nix traceroute work a bit differently. *nix works by sending UDP packets with low ttls to random high UDP ports.
Of course this creates a problem when trying to create an ip6tables rule where I want to allow traceroute. Anyone got something clean that will make this work? This is an example of current drops in my firewall log:
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Apr 24, 2012
I need to allow traceroute traffic through ASA running version 8.0.2.This traffic is natted. what configuration is required on ASA to allow this natted traceroute traffic.Traffic is coming from inside and going outside.Also can we capture this traceroute traffic on asa using capture feature.
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Nov 6, 2011
I have been searching to find out how to allow traceroute from an inside host to an outside IP address. I have found a few articles for IOS versions prior to 8.4 but nothing for 8.4. I can traceroute from the CLI of the 5510 just fine but from a windows host on the inside network all I get is Request timed out
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May 22, 2013
Here are two traceroutes both to 82.195.128.132. One results in the name ns1.hosting 365.ie and the other in the name mail.hosting365.ie. Why the difference? [code]
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Oct 31, 2011
I've got an annoying problem with my ASA 5520.I have traffic going from the inside interface (security level 100) to the outside interface (security level 0) with a global PAT applied to the outside interface address for all inside traffic - and I can't seem to traceroute through the firewall.The ruleset is simple - basically, allow any IP from inside to outside. The NAT is simple - PAT all traffic unless exempted to the IP address of the outside interface.If I do the trace from my internet edge router it works fine - so I know it's not soemthing my uplinks are filtering - but if I do it through the firewall, I get perfect responses until the hop where it hits the firewall interface - then nothing.Is there something I am missing that I need to do to allow traceroute to just work with all the rest of the traffic?
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May 17, 2011
My setup is :
Source--- Router 1 ( ip 1.1.1.1) --ACE---router---cloud---customer---router--destination( ip 99.99.99.99).
Traceroute from client to destination shows the following:
traceroute 99.99.99.99
traceroute to 99.99.99.99 (99.99.99.99), 30 hops max, 40 byte packets
1 1.1.1.1 (1.1.1.1) 1.10 ms 1.78 ms
2 99.99.99.99 (99.99.99.99) 1.01 ms 1.97 ms 2.511 ms
3 99.99.99.99 (99.99.99.99) 2.01 ms * 99.99.99.99 (99.99.99.99) 2.330 ms
[code]....
So on this, the destination is 99.99.99.99.The first hop is the default gateway, which is 1.1.1.1.After that, the next step is the Cisco ACE.After that there are several hops to the destination.Looks like for some reason the Cisco ACE is not recording his ip.( For any destination traceroute result is the saame.ICMP is allowed in the access list and also ther is ICMP inspect in my config. access-list ICMP line 10 extended permit icmp any
class-map type management match-any abc
201 match protocol ssh source-address X.X.0.0 x.x.0.0
class-map match-all ICMP_allow
2 match access-list ICMP
[code]....
Version running on ACE is Version A2(3.3)
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Apr 16, 2013
there is an issue with tracroute from ASA 5505 with 9.0(2) - here is the running configuration [code] with this running configuration - from the LAN tracerouet to public IP, it is working fine. but once I traceroute from the LAN 192.168.225.x to the corporate networks via the IPSec l2l tunnel - it does not show any hop at all - even the inside interface of the ASA does not show in the traceroute.
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Oct 15, 2012
We have a ASA 5505 and a 5510, that we are using site to site..I need to traceroute from the 5505-5510.. From the outside interfaces.. Don't want to do this through the site-to-site.I have temporarily added a few acl on the outside interfaces..
-access-list outside_in extended permit icmp any any unreachable
-access-list outside_in extended permit icmp any any time-exceeded
-access-list outside_in extended permit icmp any any echo-reply
when i traceroute it only goes one hop.. Maybe thats the way it suppose to be? I need to know all the hops between the outside interfaces on the 5505 to the outside interface on the 5510.
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Mar 12, 2013
I've read through netpro and found everyone points to this doc.
[url]....
However that still doesnt allow traceroute through for us. We still see syslogs with deny's on high level random UDP ports to different Internet destinations.
[code]....
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Jun 4, 2012
My laptop was connecting fine to a Liknsys G router until one day it couldn't connect because it gets stuck to Attempting to authenticate. I have one more laptop, a desktop and an ipad and all connect fine to the network except of my laptop. I removed the network password but nothing again.
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Sep 16, 2012
I am encountering an issue with IPv6 trace route both from within LAN as well as on the Cisco router is unable to function beyond the WAN interface of my Cisco 1941 router with IOS v15.x.
Below is the IPv6 Access List:
[code]
sequence 410 remark Allow Specific Inbound ICMP Types
permit icmp any 2001:D98:XXXX::/64 1 3
permit icmp any 2001:D98:XXXX::/64 packet-too-big
[Code].....
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Jul 12, 2011
To show up the ASA as a hop in a traceroute, one can use the 'set connection decrement-ttl' feature in a policy map.During my tests I recognized, that this behaviour only affects IPv4 traffic.
An IPv6 traceroute still does not show the ASA as a hop.How can I configure the ASA to show up as a hop in an IPv6 traceroute?The ASA is a 5520 with v8.4(1) installed.
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Oct 29, 2011
So all of a sudden the trusty HP 4000 stopped printing. A little bit of troubleshooting and I found out that the problem was the JetDirect card. I purchased a new one (615n - same model as the old one), installed it, ran a printer configuration page, confirming I have an IP (192.168.x.x) and subnet mask (255.255.255.0), config by DHCP.Also, ran a ping test and it appears to be fine?
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Oct 22, 2011
I tried changing my wireless settings from wpa2 to wpa, but it wouldn't allow me to connect. I made the change in settings because I read somewhere that it would allow you to connect your blackberry. I changed the wireless settings back to what they were, reset the router, but now the wireless sign doesn't even light up on my belkin router and it always says 'unable to connect to the network'. Something about 'attempting to authenticate'?
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Aug 31, 2011
I'm having difficulty connecting my desktop to my wireless network. Some details to start off: I'm using a G-Sky usb wifi adapter model number GS-28usb. I recently moved from an apartment with free wifi and I set up broadband with Qwest/CenturyLink. The modem/router is an Actiontec Q1000. The firmware is up to date (I checked) and every other device I bring into the house can connect just fine (laptop, roommate's desktop and laptop, and my blackberry) I'm running Windows 7 x64 Ultimate on all machines, with all updates currently available. My network shows up in the list of available networks, signal strength fine, but when I try to connect, it does its initial "getting information..." in the small box in the corner of the screen, then the box disappears and no connection is made. The status of my adapter at that point will say "attempting to authenticate" and will remain like that even though (apparently) windows has given up on trying to connect to the network. It never gets to the point where it asks me for the passkey. I've changed just about every variable I can think of that might affect this on the router (encryption type, b/g/n, legacy mode, compatibility mode, etc, i've renamed the network, powercycled the router, etc) all to no avail. I've tried to manually add the network settings under wireless profiles, but even though the information I put in is EXACTLY correct, under available networks its says that my settings don't match those on the network. I've tried different wireless adapters, and none will connect, so I've eliminated a faulty adapter. I can connect to my laptop with an ethernet cable, and bridge the connections so I can use the internet on my desktop, but i cannot connect directly to the router.
here is my ipconfig/all:
Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:UsersPancho>ipconfig/all
[Code].....
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Aug 31, 2010
=>Routing Protocol in Question EIGRP.
=>Two equal metric routes for destination A(through R1 and R2-SVIs on two upstream 6500s)
Traceroute Output, is the output that alternates between 1.1=>10.1=>1.1 normal granted the two routes are "equal metric routes for the same routing procotol in use" or is that "round robin behavior" indicative of a routing problem?
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Apr 11, 2011
Ok starting about an hour ago I seem to be having a problem accessing youtube as well as Facebook & now Microsoft?I have done some searching around and tried a few of the suggestions I found including; trying another browser (happens using both Mozilla and IE), clearing internet cache, unplugging my modem for a minute then plugging it back in, etc, and so far none of these have worked. I did get youtube to work once since then long enough to upload a 10 sec video but once it was uploaded and I tried editing the video details I once again found myself taken to the page that says The connection was reset.
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