How To Traceroute Show Two Different Names For Same IP 365 Address

May 22, 2013

Here are two traceroutes both to One results in the name and the other in the name Why the difference? [code]

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Cisco Firewall :: 5520 - Configure ASA To Show Up Hop In IPv6 Traceroute?

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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Host Names Do Not Resolve With Right IP Address

Nov 30, 2011

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.

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Find Domain Names From Ip Address?

Jan 4, 2013

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 -

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Cisco :: LMS 4.1 DCR Names Reverting To IP Address

Feb 12, 2012

I have an issue with LMS 4.1 where the DCR names of several devices repeatedly revert to the IP address.  I am trying to stage some devices for deployment.  The initial 5 devices were staged and are now off-line.  A subsequent set of 6 devices is on-line and accessible from LMS4.1.  The device names on the off-line devices are stable.  The device names of the on-line devices revert back to an IP address every day.  From device management, I go in and change the display name and the host name from the IP address to an alphabetic host name.  When I go back and look at it the next day, it has reverted to the IP address. 

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Routers / Switches :: Computer IP Address Chained To 2 Net Names?

Feb 9, 2011

When I do a nslookup on my computer IP address I find that it is chained to 2 Net names

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Show Mac-address On 2600 Series Routers?

May 24, 2011

How come the 2600 series IOS has the show mac-address command but it does not display anything? you need to use show arp? is this for when you use one of those network modules that is a switch?

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Ipconfig To Show Static Ip Address When Cable Is Unplugged?

Apr 19, 2013

using ipconfig to show static ip address when cable is unplugged, can ipconfig show static ip address when cable is unplugged? if no why? and if yes how do you make it work? anything you can edit on registry to mke it work.

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Cisco Wireless :: WLC 5508 Clients Show IP Address

May 16, 2012

We got a question about our WLC 5508 single controller deployment with 14 access points without a VLAN configuration.
When our clients connect to the wifi, we cannot see any ip address of them in the client details page. It shows everytime the ip address The clients are configured with a static ip.

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Linksys Access Point :: IP Address Does Not Show WAP54 But Netgear?

Feb 22, 2012

Trying to setup secure net but when I type in the router IP Address, it shows Netgear,  Type in printer IP address and it shows Linksys. How can I access my Linksys to make changes?  I believe the Netgear shown is Comcast modem...

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Cisco Firewall :: 5505 - Show Current IP Address Of Interface (dhcp)

May 8, 2012

Is there any way of showing the currently assigned ip address for an interface configured to use DHCP on an ASA 5505?

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Allowing Traceroute Through Ip6tables?

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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Cisco :: Allowing Traceroute Traffic Through ASA?

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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Cisco Firewall :: 5510 - Allow Traceroute In 8.4?

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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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,, 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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Cisco Firewall :: ASA5520 Not Allowing Traceroute

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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Cisco Application :: Traceroute Not Working On ACE Version A2 (3.3)?

May 17, 2011

My setup is :
Source--- Router 1 ( ip --ACE---router---cloud---customer---router--destination( ip
  Traceroute from client to destination shows the following:
traceroute to (, 30 hops max, 40 byte packets
1 (  1.10 ms  1.78 ms
2 (  1.01 ms  1.97 ms  2.511 ms
3 (  2.01 ms * (  2.330 ms

So on this, the destination is first hop is the default gateway, which is 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)

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Cisco Firewall :: ASA 5505 9.0(2) Traceroute Not Working

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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Cisco Firewall :: Traceroute Between Two ASA 5505 And 5510

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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Cisco Firewall :: Unable To Traceroute Through ASA5585-x 8.4.4(9)

Mar 12, 2013

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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Cisco Switching/Routing :: 3750 - Show Interface Vlan (ID) Doesn't Show In / Out Traffic Rate

Mar 13, 2013

I have configured a vlan interface on a 3750 switch. there is aprox 4Mb active traffic flowing through the interface, but when I do a "show interface vlan (vlanid)" the output show zero bits in and zero bits out. Its a typical L3 config with one IP on the vllan interface acting as the gateway for the VLAN devices. Is this a normal behaviur ? and if so is there any way to get the traffic in/out stats. The end PC/devices are connected to this switch via an L2 TRUNK and I dont have access to the L2 switch on which the actual devices connect. so cant get the real time stats of those interfaces.

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Cisco :: Understand Show Sessions And Show Connection Commands?

Jan 29, 2012

How to understand "show sessions" and "show connection" commands? And what is the difference between the two?

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Cisco Switching/Routing :: 2960 Don't Display Logging Trap Informational In Show Running / Show Startup

May 27, 2012

Facing issue with 2960G switch , where its do not display "logging trap informational " in show running and show startup .where its showing all other levels from 0 to 5 and 7 after configuration and save commands. [code] after config getting saved , it do not shows in show runn or in show startup while for all other levels it do show the config lines .I tried the same on 12.55.SE release also but its same results . Is this a limitaion of this platform, is there any doc explaining the same for reference. [code]

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Cisco WAN :: IPv6 Traceroute Fails / Blocked On 1941 Router?

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:
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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Cisco :: BRI Card Does Not Show In (show Voice Port)

Jun 18, 2011

I have a cisco 1760 with running VIC-2FXO (working fine). I'm now trying to replace that line with an ISDN line through a VIC2-2BRI.

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Cisco WAN :: 6500 Traceroute Command Output For Routes With Equal Metrics

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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Cisco Switches :: Why Does Sx300 Series Only Displays Ping And Traceroute Results In 20ms Intervals

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 on an sf300-24. [code]

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Cisco :: ASA 8.3 Object Vs Names

Jan 6, 2012

Just planning my move to 8.4(2) and I'm looking for some input. In the past, I have a text file with name commands for every host on my network that I know about. I would then deploy this list to all ASAs so that I could create ACLs on any firewall using a name, which would correlate to the same IP on any firewall.Now, the names from the name command no longer work as a host entry in ACLs, therefore I'm required to switch all of my active name command entries over to objects.My question is, have any of you found an easy way to change all name commands to objects? Since the name command doesn't specify the mask of the entry, I think this may not be possible without manually updating thousands of records. I know that once I migrate, there will be some objects auto-created, but those will only be host and or networks which have NATs associated with them.

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Host Names For NAS And Xbox 360

Sep 17, 2011

Is it possible to give me NAS and Xbox 360 Host names so that they show up in my DHCP Client list? Currently there are 13 devices connected, 11 of which have a host name but these two do not. It also shows the IP and MAC addresses of each connected device.I just want to make sure that all of the devices that are connected are what I would expect.

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Host Names And IP Addresses?

Sep 30, 2011

I have been asked to do is locate some computers on the network and run a security scan on them. Well i pinged the host name and got an IP address. Then the network admin me look up the switch port that the computer is located on and so on. So i find 3 of the computers im looking for and when i get on the computer and look up the name but it does not match the name given to me. So i do an ipconfig /all and see that the computer has the right IP address and MAC address but not the same name. So my main question is, are these computers one in the same or is something messed up?

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Aliasing Two Names To One Computer Under Same Network

Nov 15, 2012

I have an old network with 5 computers, now one of them is damaged and i copied the file into another computer.2 computers are set to save files in a database which were in the damaged can I give to one computer two names ? - i cant change the source program to read the database from other computer..The program searches for \computer_namedatabasedatabase file.mdb (I dont want to change the the computer name because other computers search for him under the other name.

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Host Names Duplication In Different VLAN's In Same Domain?

Dec 25, 2012

I have issues with the same host name duplication in different VLAN's in the same domain.Scenario:I have 2 VLAN's named VLAN A and VLAN B.If i assign in VLAN A for one of the computer name as Comp1 it's not in the network so its dns will be replaced with VLAN B and if i ping i can see the ip also from VLAN B.

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Cisco :: Hiding Names From Its Corporate Directory Look-up?

May 21, 2012

I have cisco's CUCM version System version: when I do a corporate lookup (form my 7970 I hit Directories - 5) Corporate Directory) I see all sort of accounts that have no phone extensions I.E. our windows service accounts, our administrator accounts that have no number associated with them. is there a way for me to hide them?

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