I run on windows 7 64 bit, I use microsoft security essentials for AV and I use default windows firewall.I can't ping other people even though we have a direct tunnel, This sub-reddit is dedicated to higher-level, more senior networking topics. /r/itcareerquestions /r/ccna and /r/ccent are all available for early-career discussions. This field is split into two parts. Although I will not cover all the processes that could possibly be running, a few have special meaning. Source
There are were no changes made to my tftp >>> program. >>> >>> I have all the security and patches for Windows 2000 - my >>> operating system. Table 7-2 shows a list of some of the codes returned by the Cisco ping utility, along with their meanings and possible cause. These topics pollute our industry and devalue the hard work of others. Figure7-1 The Internet Protocol Suite and the OSI Reference Model Creation and documentation of the Internet Protocol suite closely resemble an academic research project. http://superuser.com/questions/746370/windows-8-cannot-send-outgoing-pings
If ICMP is off, you can't be pinged. Questions that you should answer to make certain that you understand the protocol include these: •What IP protocols does the protocol use (TCP, UDP, ICMP, IGMP, or other)? •What TCP or I can ping the fw, but it can't >> ping me. Wireshark Rather than change all the addresses to some other basic network number, the administrator can subdivide the network using subnetting.
Your name or email address: Do you already have an account? Ping Destination Host Unreachable Although most of the popular web browsers default to this method of FTP transfer, you shouldn't assume that they do. So, I'm guessin' it ain't the firewall, but thanks for the reply. >-----Original Message----- >I have a problem. https://technet.microsoft.com/en-us/library/cc940095.aspx If the problem is determined to be past the local LAN segment, then you will be referred to the section "Troubleshooting IP Connectivity and Routing Problems," later in this chapter.
Look at how much memory is available in the largest free field. Subnet Calculator Table 7-1 maps the best-known Internet upper-layer protocols to the applications that they support. The first number is the total CPU utilization for the router, and the second is interrupt-generated processor utilization. Many corporate networks permit only this type of FTP transfer.
If ping fails or returns an unusual RTT, traceroute can be used to help narrow down the problem. Up until recently, each building had it's own domain controller handling DHCP, but we have centralized that in the last couple of weeks so that all but 2 buildings get their Ping Is Not Recognized Windows 8 Report Inappropriate Content Message 1 of 12 (115,728 Views) Reply 0 Kudos plowdirttv Advisor Posts: 211 Registered: 10-28-2007 Re: How come I can't ping people but people can ping me? Icmp CiscoRtr> enable CiscoRtr# 2.
This sub prefers to share knowledge within the sub community. Rule #5: No Early Career Advice. The user went to a machine right next to his and was able to ping the incoming and outgoing mail servers without a problem.I've flushed the DNS cache and rebuilt the Email Reset Password Cancel Need to recover your Spiceworks IT Desktop password? Traceroute
Thanks for the replies so far! 1 Serrano OP MrMac55 Mar 7, 2013 at 4:05 UTC Sounds like a layer one issue and a layer 3 issue. Level 1 (0 points) Sep 2, 2010 12:03 PM in response to j.v. Where to go from there I'm really not sure....Outside of that, I'm pretty much out of ideas, good ones and bad ones. have a peek here Check the Network Interface Most interfaces or NICs will have indicator lights that show whether there is a valid connection; often this light is called the link light.
The SMTP protocol transports e-mail messages in ASCII format using TCP; it's possible to connect to an SMTP server by Telnetting to the SMTP port (25). Ping Test Creating your account only takes a few minutes. I also can not send/receive files on my >tftp program.
Otherwise, continue troubleshooting as follows: 1. Verify that the cable from the source interface is properly connected and is in good condition. If the configuration is correct, check that the source or next-hop router is capable of pinging any other device on the local LAN segment. What Is My Ip One bit specifies whether the packet can be fragmented; the second bit specifies whether the packet is the last fragment in a series of fragmented packets. •Time-to-Live--Maintains a counter that gradually
The default TTL value for ICMP Echo Requests sent by Ping is 32. also check in the tcp/ip properties then click the advanced button and then the options tab then highlight the tcp/ip filtering, click properties and see if anything is being filtered locally. If your local address is returned as 0.0.0.0, the Microsoft MediaSense software override started because the network adapter detects that it is not connected to a network. So one day, everything will be fine.
bartmcarthur wrote: Network setup - Each building has it's own 2nd octet (i.e. The TCP packet format is shown in Figure 7-6. In the Windows Firewall window, on the left hand side click on incoming rules. Excellent idea re: the tcpdump - I hadn't thought of that.Don't worry about being insulting.
The requirement to understand network classes and the difference between a network and a subnet remains solely because of configuration and behavioral issues with network devices. Top Of Page Ping Remote Host If the default gateway responds correctly, ping a remote host to ensure that network-to-network communications are operating as expected. or is it simply turning off the filter for "Domain"? I think it'd be a long shot for this to be the issue, as we're seeing this problem in every building, and it seemed to start happening around the same time
permalinkembedsavegive gold[–]VauceCCNP 0 points1 point2 points 1 year ago(0 children)If ICMP is working in one direction but not the other, and a firewall is in between, it's probably your firewall.