How To Traceroute Show Two Different Names For Same IP 365 AddressMay 22, 2013
Here are two traceroutes both to 126.96.36.199. One results in the name ns1.hosting 365.ie and the other in the name mail.hosting365.ie. Why the difference? [code]
Here are two traceroutes both to 188.8.131.52. One results in the name ns1.hosting 365.ie and the other in the name mail.hosting365.ie. Why the difference? [code]
where the host names do not properly resolve with the right ip address.Example, I ping a host name, it gives me an IP, but when I VNC into the workstation, it is a totally different host.
I can find ip address of any website from domains by using simple command [URL] in command prompt.I wonder how I can find the domain names from ip addresses.For e.g. I would like to know the domain names of ip - 184.108.40.206View 7 Replies View Related
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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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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]View 1 Replies View Related
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My setup is :
Source--- Router 1 ( ip 220.127.116.11) --ACE---router---cloud---customer---router--destination( ip 18.104.22.168).
Traceroute from client to destination shows the following:
traceroute to 22.214.171.124 (126.96.36.199), 30 hops max, 40 byte packets
1 188.8.131.52 (184.108.40.206) 1.10 ms 1.78 ms
2 220.127.116.11 (18.104.22.168) 1.01 ms 1.97 ms 2.511 ms
3 22.214.171.124 (126.96.36.199) 2.01 ms * 188.8.131.52 (184.108.40.206) 2.330 ms
So on this, the destination is 220.127.116.11.The first hop is the default gateway, which is 18.104.22.168.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
Version running on ACE is Version A2(3.3)
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.View 4 Replies View Related
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.
I've read through netpro and found everyone points to this doc.
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.
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Below is the IPv6 Access List:
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
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=>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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1. I have a DSL modem + wireless + router
2. I have a Vonage phone that taps into one of the LAN ports
3. I have DIR 655 router that taps into one of the LAN ports
4. I have NAS that taps into one of the DIR 655 LAN ports
5. I have Printer that taps into one of the DIR 655 LAN ports
6. I have a BD Player that connects to DIR 655 through wireless.
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I'm not sure if this is a recent issue for our setup, but I've only just noticed it. Although most authenticated users are shown by their correct user names (which are required for 802.1x authentication), a few users show up in the WCS reports as "anonymous", and one as "email@example.com", which are not valid usernames on our network.
I can track these users by MAC via our network registration database, but have not yet figured what makes their systems unique. All three in yesterday's report are Win 7. I don't see anything strange in the RADIUS logs, but have not yet caputured "debug" traces of wireless authentication from an anonymous user.
We are running WCS 188.8.131.52 , with a pair of WLC 4402 controllers running 184.108.40.206 . Our WPA2 Enterprise auth uses TTLS/PAP, with the SecureW2 supplicant for Windows.
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