Ping ipv6 linux. Give it the name of the interface you want to ping from.
Ping ipv6 linux All routers must discard packet with such addresses. For example, googles ipv6 address is 2a00:1450:4001:806::200e Linux - Networking This forum is for any issue related to networks or networking. IPv6 ping of a link local address of another host in LAN doesn't work. I've tried all the IPv6 addresses I see using the "ipconfig" command on the guest. Ping Alamat IPv6. Follow answered Aug 16, 2013 at 22:04. To ping the IPv6 address mapped to a hostname, use: When I’ve ping one server’s ipv4 adress from another server with ping command it is pinging. com using IPv6: $ ping -6 -c 5 google. The ping command hangs. That's how it's possible to have a link-local address on every interface although technically, the addresses all belong in the same subnet. I understand your confusion indeed for what I read from the rfc6761 about "Special-Use Domain Names" 6. Anything is fair game. The internal clients with ipv6 addresses from the /56 can't ping the outside world, but the packets and response is correctly routed up until my router, which just drops the packet without any hint. If one doesn’t work, then you have the other as an option. For example: $ ping6 google. com _ Kết quả. It uses a simple algorithm for checking that state. -d Set the SO_DEBUG option on the socket being used. modinfo ipv6 name: ipv6 filename: (builtin) alias: net-pf-10 license: GPL file: net/ipv6/ipv6 description: IPv6 protocol stack for Linux author: Cast of dozens parm: disable:Disable IPv6 module such that it is non-functional (int) parm: disable_ipv6:Disable IPv6 on all interfaces (int) parm: autoconf:Enable IPv6 address autoconfiguration on all Cara melakukan ping ke alamat IPv6 dari Linux. Settings in my Router. If this is the case pinging your internet service provider with a command of the form ping -c2 -6 <URL-of-your Trying to ping IPv6 addresses immediately shows 'Network is unreachable'. com(ord30s26-in-x0e. SG permits all ICMP ipv6 in, ssh ipv6 in, All ipv6 out inet6 2600:1f16:8cf:d105:2c0f:2059:d33c:c494 prefixlen 128 Windows Subsystem for Linux (WSL) 2 now has native support for IPv6! 拾 When enabled, you can get your IPv6 address using ip -6 a, and ping google. In Linux, you can ping IPv6 addresses using a standard ping command as well as a special ping6 command. Improve this answer. But If i try to ping with ipv6 adress from one server to another it is not working. org > Forums > Linux Forums > Linux - Newbie This Linux forum is for members that are new to Linux. Whether you’re a system administrator or a network engineer, mastering the ping6 I am wondering if I have the same issue: since a recent update, ping doesn't work anymore and I realized that this happens because it defaults to using ipv6 but ipv6 doesn't actually work. e. This controls which Socket families to use, but also what hint to specify for getaddrinfo(). It seems that I have an ipv6 address in the LAN, but somehow the ping -Ieth1 ipv6. Intermediate hops may not be allowed, because IPv6 source routing was deprecated (RFC5095). Unfortunately it does not work. I spent quite some time looking at Maybe the output you received from pinging www. com (2a00:1450:400a:808::200e): 56 data bytes ping6: sendto: Cannot assign requested address I'm trying to get familiar with ipv6 I don't understand why I can't ping this interface at the inet6 addr eth1 Link encap:Ethernet HWaddr 08:00:27:77:9e:77 inet addr:192. Interpacket interval adapts to round-trip time, so that In Arch Linux, IPv6 is enabled by default. This worked perfectly with a Try adding the -I eth0 parameter. org - you can copy the ping result. ping -6 – Forces ping to resolve and ping IPv6 addresses (common on RHEL/CentOS). You would be able to get the interface name by running "ifconfig" or I am unable to ping the guest using an IPv6 address. This imlementation supports both IPv4 and IPv6 on both Linux and Windows, as well as several command-line switches like -t (to set the TTL), -s to set the payload Lệnh ping theo version IPv4 hoặc IPv6 trên Linux. Gold Supporter. Pinging IPv4 works as expected. com(lhr48s09-in-x0e. com just prints a connect: Network is unreachable. com PING ipv6. I found somewhere that it's an icmp problem, but I couldn't find solution. I'm trying to troubleshoot a connectivity issue to an IPv6 addressed host using mtr, however, despite using the -6 switch, it fails with the error: mtr -6 2001:db8:1d4f:10::1 mtr-packet: Failure to open IPv4 sockets mtr-packet: Failure to open IPv6 sockets mtr: Failure to start mtr-packet: Invalid argument IPv6 address range 2001:db8::/32 is reserved for documentation only and packets with these addresses should never exist on a network. If you use ping with no address family option it will use AF_UNSPEC hint. 9 ms A Linux system with a working network interface (e. When using bridged network, I can not ping any IPv6 address. com PING google. Access to the terminal The option is required Chúng tôi đã giải thích các phương pháp ping địa chỉ IPv6 trên Linux. -c count Stop after sending count ECHO_REQUEST packets. The internet tips suggest pinging ipv6. 168. com' and it is all set up for IPv6 and has a prefix delegation assigned and all of that. Nếu đúng như vậy, hãy sử dụng ping6 để thay thế. Nếu bạn có tên miền và muốn nhận phản hồi từ IPv6, hãy sử dụng lệnh ping như sau: ping -6 domain_name. Prerequisites. How to check if the IPv6 support is enabled. To verify you have IPv6 running: Sure. The ping IPv6 tool checks the given IPv6 host, whether online or not. Daniel t. Find out the history, purpose and features of IPv6 and how to ping by Learn how to use ping and ping6 commands to check the connectivity to IPv6 addresses from your Windows or Linux machine. To ping everyone on all interfaces, and announce your address to everyone, use a script. I’ve tried ping6 command too. org)" only resolves the IPv6 of archlinux. So the program needs to fill in the scope_id. 4# ping ipv6. Learn how to use ping6 command to test and troubleshoot IPv6 connectivity on Linux machines. My network adapter is a Killer AC 1550 wireless. Namun, kemungkinan besar ISP Anda My homeserver running Debian 10 has at some point lost internet connection when being connected to Mullvad VPN via Wireguard. com -4 but I when I ping google. . Skip to content. To verify you have IPv6 running: Let’s NOTE: This is likely to work in many instances but, due to the lack of participation, you might find that some sites don’t support IPv6. 352 ms 64 bytes from lax02s23-in-x0e. I tried to ping both ways (from machine to device and device from machine) but all I get is Destination unreachable: Address unreachable (Exact output is provided below). net (2404:6800:4005:80b::200e)) 56 data bytes 64 bytes from Inside of my Linux server I can't ping out to IPv6 URLS. Huỳnh Đình Hiếu - 2022-08-04 13:33:49 (GMT+7) Nếu chúng ta muốn ping theo IPv6 chúng ta làm như sau: bash (non-root) ping -6 google. Aug 2012, 13:40. "Destination host using ifconfig to see eth0 ipv4 and ipv6 addresses. From another host, I am able to ping the container using its IPv4 address but not using its IPv6 address. Share. 1 Add following line to “/etc/sysctl. If a link-local address (starting with fe80) is displayed, IPv6 is enabled but dynamic assignment of IPv6 addresses is not enabled. Users may assume that IPv4 and IPv6 address queries for localhost names will always resolve to the respective IP loopback address. com Ping request could not find host ipv6. google. Using only one of them explicitly can be enforced by specifying -4 or -6. Among these tools, the ping6 command in Linux stands out as a vital utility for testing the reachability of hosts using the IPv6 protocol. Bạn cũng có thể ping địa chỉ IPv6 do Google lưu trữ. Improve this question. To ping IPV6 addresses from your Windows machine then you need to follow the steps below: In the first step, you need to open the command prompt there in your windows as it is being described in one of the previous steps; I have a Debian 10. Run the following command to check whether IPv6 is enabled: ip addr If only an IPv4 address is displayed, IPv6 is disabled. Closure: Well, if you ever wanted to know how to ping with IPv4 or IPv6, you now know. How to filter ipv6 ntp ping packets with tcpdump? Filter I have a CentOS server that only has IPv6 address. On Windows, you use the regular ping command for both IPv4 and IPv6 addresses, and it automatically detects which interface to use. Use another address range, e. Let‘s walk through examples of pinging IPv6 by hostname and by direct address. The ping command is one of the most used tools for troubleshooting, testing, and diagnosing network connectivity issues. A simple ping implementation in Go, written as a "Hello World" project. com. Re: Ping problem with IPv6. , Ethernet or Wi-Fi) A basic understanding of Linux commands and networking concepts; A text editor or a command-line interface (CLI) to edit the ping command; Step 1: Install the Ping Command. [root@alpha ~]# ip addr show eno2 3: eno2: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN group default qlen 1000 link/ether b8:ca:3a:f9:54:f8 brd ff:ff:ff:ff:ff:ff altname enp1s0f1 inet 192. 33. com ping: connect: Network is unreachable my ipv4 connection, on the other hand, works fine: In this guide, we will show you how to use the Linux ping command and provide useful examples and alternatives. com(lax02s23-in-x0e. This can be viewed in ndp. -6 Use IPv6 only. 411 1 1 gold When pinging IPv6 link- local address this option is required. A machine running Linux or UNIX-like system. 13 and a Windows machine behind an OpenWRT router. On the current updated and ping6 – The dedicated IPv6 ping utility found on most Linux distros. ping6 domain_or_IPv6_address. As a fundamental tool for diagnosing and testing network connectivity and performance over IPv6 I am trying to send ipv6 pings from a computer in a LAN. I don't really know what else to include, but its causing problems because I can't reach some websites. ping6 ipv6. If I try to ping an IPv6 address e. com with ping -c10 -4 www. Pinging localhost or ::1 works fine, however. 您可能不太熟悉的是 IPv6 地址。 Hi! A year or so ago I tweaked my IPV6 config to disable it, or at last that's what I tough. 9,554 1 1 gold badge 34 Linux - Networking: 6: 12-08-2014 03:28 PM: Cannot connect to ipv6 website with ipv6 address: superweijiafeng: Linux - Networking: 3: 07-08-2014 04:55 PM: unable to ping with ipv6 address: gswapna: Linux - Networking: 3: 05-10-2013 12:14 AM: I cannot ping with command 'ping IP' address but can ping with 'ping IP -I eth0' sanketmlad: Linux Now, my problem is that my IPv6 isn't working properly. I see that the Or on Linux: connect: Invalid argument . Chúng tôi hy vọng rằng với sự trợ [root@104 network-scripts]# ping6 ipv6. Primary OS: Linux other VBox Version: OSE self-compiled Guest OSses: *NIX. My router is running libreCMC and CAN successfully ping 'ipv6. Linux cơ bản. The ping command response is: "transmit failed. Note: All of Following steps will be done within terminal/command line. Desktop; Server; Virtual; Networking. The connection to my ISP (WAN) is made via PPPoE using IPv4. Nhiều hệ thống Linux có cả địa chỉ IPv4 và IPv6. net (2607:f8b0:4009:80f::200e)) 56 data bytes This is a ccna Lab showing how to block ping or how to block icmp protocol using ACL configuration on cisco routers. 8 and ping google. Here’s some information that might help identify the issue. Ubuntu Centos Debian Commands Series Donate Write For Us. Roll up your sleeves, spit on your palms, and get ready to go to work because this is your crash course in actually using IPv6. Home; Categories. So technically the unspec mode should resolve all address types, but this might depend on the OS: almalinux9. I want to send a ping to an IPv4 address with the ping Linux command. 1/8 scope host lo ping ipv6 address Address family for hostname not supported. Trying to ping ::1 I get Code: Select all $ ping6 ::1. x86_64) with IPv6. Essentially, this socket option is not used by Linux kernel. How do you know if you have IPv6 support on your system? Use this command and observe its output: This will give the rout How do I ping an IPv6 address on Linux? Regular ping command only works with IPv4 address. 64 ms 64 bytes from lax02s23-in-x0e. 1. f33dm3bits Gold Member. Pinging IPv6 by Hostname. This guide covers basic to advanced examples, ensuring you master the ping6 Here are some great Linux command line entries you can make to examine and configure IPv6 (assuming your version of Linux ipconfg does so). I added a Hurricane Electric Tunnel to my network to access IPv6 addresses, because my Internet provider delivers only a IPv4 address. Help answer threads with 0 replies. Follow asked Apr 20, 2018 at 1:08. My machine has an address fe80::d939:2d31:6fe2:c203. ping6 fe80::6:ff:fe00:2%0xb may also work. so it should be expected as default but:. It is available for windows 7, 8, Vista, XP, and all the Linux OS. Networking, system administration and more. That page you curled to supports both 4 and 6. ping ipv4 is ok, but ping ipv6 results in: ping; centos-7; Share. At the same time learn how to allow other packets like You might be used to working with IPv4 on Linux, but like it or not IPv6 is on its way in. Otherwise, if you try to ping for an IPv6 reply, you'll get 'ping: connect: network is unreachable' error. so ping -4 works fine Some words more. OPTIONS top-3 RTT precision (do not round up the result time). Routing, network cards, OSI, etc. Can't use ping command or other commands, programs to connect to ipv6 addresses └─$ ping6 2607:f8b0:4005:803::200e ping6: connect: Network is unreachable └─$ traceroute6 2001:4860:4860::8888 Using the ping6 command you can find the link-local address of ipv6 hosts out of an interface using: ping6 -I eth0 ff02::1 This will ping everything in the subnet and so you can see what is out there. This bridge advertise routes using BGP to my router. * address, i. ECHO_REQUEST datagrams (“pings”) have an IP and ICMP header, followed by a struct timeval and then an arbitrary number of “pad” bytes used to fill out the packet. Also, find out how to discover the IPv6 address of your PC and the routes of IPv6 Learn how to use the ping6 command in Linux to troubleshoot and analyze IPv6 networks. If you want to get connection to internet, ask your provider for an ipv6-address ECHO_REQUEST datagrams (``pings'') have an IP and ICMP header, followed by a struct timeval and then an arbitrary number of ``pad'' bytes used to fill out the packet. Can someone help me why Im not able to ping when doing sudo docker run -it centos:7 bash The address is bound to one selected when ping starts. If I ping 2001:4860:4860::8888 (Googles DNS for IPV6) I can't reach it. An IPv6 is a preferred protocol over IPv4 in modern Windows and Linux systems. From another host I’m able to ping IPv4 and IPv6 addresses of the bridge. The solution. -F flow label ping6 コマンドを使用して IPv6 に ping を送信する. gbe0. Enable it by referring to this tutorial. com PING Im trying to ping ipv6 address from a docker container using sudo docker run -it centos:7 bash and ping6 google. Now I want to test my IPv6 configuration with ping. d]# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127. \Users\SnC>ping ipv6. The tldp Linux+IPv6-HOWTO article is older, and less maintained. net: icmp_seq=2 ttl=59 time=0. i want to ping -6 linux and to get ipv6 replies . com(fra16s42-in-x0e. Navigate to the NIC and assicaite the private IPV6 to a Public IPV6. IPv6 ping命令 一、Linux操作系统 给一台 Linux 主机分配了一个 IPv6 的 IP地址，如何使用 ping命令 确定该 IP地址 能否 ping 通呢？ 1、查看主机的 IPv6 的 IP地址信息 命令如下： ip addr | grep net6 通过命令可以看到，该 Linux - Networking This forum is for any issue related to networks or networking. 3 [], about the name localhost,. If you want to ping IPv6 addresses, you’ll need the ping6 command. The transition from IPv4 to IPv6 has necessitated the use of specialized tools for network troubleshooting and analysis. Anda dapat menggunakan artikel kami tentang memeriksa alamat IP lokal dan publik untuk melihat alamat IP Anda. While I can ping ipv6. Some other terminal commands seem to default to ipv6 too, so those have similar problems. Unique LocaL Addresses fd00::/8 (RFC 4193). com is normal and expected because your internet service provider's service plan does not support pinging the Internet Protocol version 6 (IPv6) address family. *. The tool sends ICMP packets to an address to see how fast the response is. Unlike IPv4, however, it is perfectly normal for a NIC to have both the link-local IPv6 address and one or more global IPv6 I have an IPv6 device with link local addressfe80::204:9fff:fe04:7fb5 (output of ifconfig is below). net (2a00:1450:4009:819::200e)) 56 data bytes 64 bytes from lhr48s09-in-x0e. 8. Is the problem that the router is ipv4 only? server and clients run linux; router runs dd-wrt Hello, I have a bridge configured for IPv4 and IPv6. I initially thought firewall, but I don't understand why some IPv6 sites work fine and others don't. I don't remember which commands executed or which articles I read. The reply is received, but it is passed to ip6_forward instead of ip6_input Re: Ping doesn't work with IPv4, but does work with IPv6 [SOLVED] Off the top of my head it looks as though you don't have an ipv4 address but you do have an ipv6 address. net: icmp_seq=3 Also, while you cannot browse to a Public IPV6 address and associate it with a NIC, it works the otherway round. This short note shows how to ping the IPv6 addresses in Linux. Yet it attempts to cover many topics that are mentioned in this article, starts from the basics, and advances in a slower pace. Is this possible? [root@test conf. However, if I ping forbes, all packets are returned, but its using an IPV4 address. Use ping6 command to send ICMPv6 To ping the IPv6 address using the ping command through the domain name, use the “-6” option to force the IPv6 address: ping -6 <domain_name> (for Arch Linux and Red Hat-based distros) How to `ping` IPv6 addresses in Linux using the `ping`, `ping -6` and `ping6` commands with examples. Last edited by mwohah (2023-09-17 12:28:12) My docker run --rm -t busybox ping6 -c 4 google. Is it possible to ping everything in a prefix so you can determine the global-scope unicast addresses of hosts? ping IPv6_address. We collect the following tcpdump command examples to help you quickly filter the packets you need. com(hkg07s02-in-x0e. 3. user185814 user185814. 3,277 4 4 The above example is Linux, and something similar should work in MacOS. Post by Perryg » 30. Cool Tip: How to disable an IPv6 support in Linux!Read more → Introduction. 0-123. net: icmp_seq=1 ttl=59 time=4. (netstat -nr6) ping6 resolves name to IPv6 address, but remote sites do not respond. com: bash-4. ping can also send IPv6 Node Information Queries (RFC4620). g. ping can Clients in the network have the right prefix and can ping each other via ipv6. 10. Interpacket interval adapts to round-trip time, so that However, for other IPv6 addresses they work fine, one example that works is ipv6. Here is my routing table: ในคู่มือนี้ เราได้เรียนรู้วิธีการ Ping ที่อยู่เครือข่าย IPv6 จาก Linux เวอร์ชันต่างๆ ส่วนที่ยุ่งยากคือหลายระบบมีทั้งที่อยู่ IPv4 และ Any IPv6 address that starts with fe80: is the equivalent of IPv4 169. Pertama, Anda harus memiliki alamat IPv6 di sistem Anda sendiri untuk berkomunikasi (termasuk ping) dengan perangkat lain melalui IPv6. It is perfectly legal to have ppp0, ppp1 and ppp2 all configured to use a local address of fe80::1 and a peer address of fe80::2, so the OS could not decide which interface to use for a destination address of fe80::2. -A Adaptive ping. net) 56 data bytes 64 bytes from lax02s23-in-x0e. Trong điều kiện này, điều cần thiết là ping IPv6 để kết nối. google over v6 doesn't. 0. Trên một số phiên bản Linux cũ hơn, ping có thể không hoạt động với IPv6. Ping Command in How can I disable IPv6 ping responses in Linux without using the IPv6 firewall? This question covers how to do this using the IPv6 firewall via iptables, but I'm using an embedded system that doesn't currently have firewall support, so I need an alternate method. Give it the name of the interface you want to ping from. please help. I can ping 8. Whereas ping4 is an alias for ping -4 and ping6 is an alias for ping -6. I'm not very familiar with IPv6, hence this question. In windows all works fine, but under When I try to ping/traceroute/ssh ipv6 addresses, I always get Network is unreachable. 242/29 brd Use ping6 to discover and ping all IPv6 neighbors on a network. ↳ Chat about Linux Mint; ↳ Chat about Linux; ↳ Open Chat; ↳ Forums Feedback; ↳ Suggestions & Feedback Archive; International; ↳ Translations; ↳ Deutsch - I am trying to learn about ipv6 and tried the very basic ping -6 command, but I don't get any results: $ ping -6 www. Follow asked Aug 16, 2013 at 22:02. I've config it to enable ipv6, but when ping , network is unreachable. -4 Use IPv4 only. el7. The solution is to pass the -I command-line argument. 1 Disable/Enable ping reply permanently (Via sysctl) 1. net (2a00:1450:4009:819::200e): icmp_seq=1 ttl=57 time=10. Let’s start with some simple ones. With deadline option, ping waits for count ECHO_REPLY packets, until the timeout expires. To ping a range of IP addresses, you need to install the ping command on your Linux system. Home: Forums: Tutorials: Articles: Register: Search : LinuxQuestions. Code: ::1 localhost linux. Link-local addresses have a limited scope, which means they are only visible in a certain context. If you continue to have ping can also send IPv6 Node Information Queries (RFC4620). From the incus host I’m able to ping the container in IPv4 and IPv6. As mentioned above I have a Debian device in my local network and IPv6 works correctly there, including pinging remote addresses (but it cannot ping me over IPv6, nor can I ping it). The destined machine must be Here are some great Linux command line entries you can make to examine and configure IPv6 (assuming your version of Linux ipconfg does so). Firewall issue. com it returns:. ; To ping an iPv6 IP address instead of an iPv4 address, you'll use ping -6 <ip address>. This pings localhost twice: $ ping6 -c2 ::1 PING ::1 Sometimes, I cannot ping IPv6 websites, Additionally, other Linux distributions (non-Debian-based), like Manjaro, work fine too (tested using a live USB). ping -I eth1 www. "$(dig -6 +short archlinux. The thing that stumps me (besides my lack of 从 Linux 系统对网络设备执行 ping作是测试 Internet 连接或与特定设备的连接的非常常见的故障排除步骤。如果您花过时间摆弄计算机，尤其是 Linux 命令行，那么您可能已经对 ping 命令有所了解。. IPv6 routing looks good. Tiina Tiina. Dell; Juniper; ping6 can be used on Linux hosts to ping the “allhosts” address, ff02::1. Please check the name and try again. Joined Dec 11, 2019 Messages 8,207 Reaction score 6,676 Credits 60,329 Apr 12, 2021 #4 Then make it look like this. When the addresses are configured by the user, I am using a Win 10 host with Debian Linux 9, on bridged network. it's a link-local address, reachable only in the network segment it's directly connected to, using the NIC that connects to that segment specifically. The basic syntax for ping is ping <ip address>, where <ip address> is the address of another device. Linux - Networking This forum is for any issue related to networks or networking. PING google. 10 @kaps, no, there is no way to have the system auto-select the interface. Learn how to ping an IPv6 address from a Linux system using different methods and commands. I get: "Destination unreachable: Address unreachable" Which looks like this in tcpdump -i eth0 ip6: Linux sees Global IPv6 address in ifconfig. 9K. However there is IPv6 connectivity as confirmed by working IPv6 sites. it gives me no result but when I spun up an existing container user docker exec -it containerID bash I was able to ping an ipv6 address. Then ping it. 254. But they can't ping to the internet until they first ping Server (the one with the tunnel). com, but dns. The ping6 command is a networking utility used to send ICMP ECHO_REQUEST packets to network hosts via their IPv6 addresses. conf” (To enable, change 1 to 0) I have configured an IPv6-over-IPv4 tunnel via Hurricane Electric on my Linux machine. Linux. 1e100. Find out how to distinguish IPv6 and IPv4 ping results and how to force IPv6 connectivity. net (2a00:1450:4001:809::200e)) 56 data bytes ping: sendmsg: Operation not permitted From linux; ping; eth0; Share. Learn how to use acl on router to block ping packets. -a Audible ping. 以前は、ping コマンドは IPv4 アドレスしか使用できなかったため、ping6 と呼ばれる別のユーティリティが作成されました。 一部の古い Linux バージョンでは、IPv6 に対して ping が機能しない場合があります。 I'm trying to setup a Linux Router (LXC, 3. com I get one line of output and then it sits indefinitely, PING google. On the other hand, you might find some sites don’t support IPv4. To successfully ping an IPv6 address, you also need to have IPv6 enabled on your local system, too. Ping ipv6 localhost fails "address family for hostname not supported" Hi! A year or so ago I tweaked my IPV6 config to disable it, or at last that's what I tough. 2610:150:c002::1:a563 is the IPv6 address of my local network card eno2. Code: ping -6 linux The ping from iputils Support both -4 and -6. ping works with both IPv4 and IPv6. If you try running ping6 ff02: Tcpdump is a very powerful Linux command to capture packets. boe llwg rcz hyebsmd lhoen amxcou vdxoj ajuj osnslnz vauxt phkq gqmyu gbbl rnxe rox