Ioctl siocaddrt error in set_default_route
Webaddr = (struct sockaddr_in*) &route.rt_genmask; addr->sin_family = AF_INET; addr->sin_addr.s_addr = INADDR_ANY; // TODO Add the interface name to the request: … Web27 jul. 2014 · So you are trying to perform an ioctl() on the invalid file descriptor. Wrap the assignment into parenthesis or move the expression out of the condition, like this: // …
Ioctl siocaddrt error in set_default_route
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Web27 dec. 2006 · How to add a gateway address using ioctl in C in linux ? Linux - Networking This forum is for any issue related to networks or networking. Routing, network cards, OSI, etc. Anything is fair game. Notices Welcome to LinuxQuestions.org, a friendly and active Linux Community. You are currently viewing LQ as a guest. Web1 nov. 2024 · 1 Answer Sorted by: 2 A gateway address must be reachable on a locally connected network for a static route to be useable. 10.251.x.x is not local to 10.250.0.0/16 Try something like this: assuming 10.251.10.127 is reachable on the 10.250.1.46 interface, ip route add -host 10.251.10.127 dev eth1 ip route add 10.20.0.0/16 via 10.251.10.127 …
Web24 aug. 2024 · SIOCADDRT:添加路由,SIOCDELRT:删除路由,就是ioctl调用时使用的请求码。 该代码 获取 了路由表的所有ip 子网掩码 , 网关 (下一跳),并且将 获取 到的信息保存在RouteTable容器中,想要 获取 路由信息可以参考该代码。 Web16 sep. 2024 · Teams. Q&A for work. Connect and share knowledge within a single location that is structured and easy to search. Learn more about Teams
Web15 jul. 2013 · 1 Answer. Sorted by: 4. Apparently there are two fields you can use to specify the interface: struct ifnet *rt_ifp; struct ifaddr *rt_ifa; These two fields represent the “answer”, as it were, to the question posed by a route lookup; that is, they name the interface and interface address to be used in sending a packet to the destination or ... Web21 aug. 2013 · 进一步上看sock_ioctl会调用sock_do_ioctl函数,改函数会返回一个err值,因此在这些函数的地方加上打印语句,看看结果,以下是打印出来的信息,可见使用上面c代码设置同一个ip地址后会出现 -17再输出 route: SIOCADDRT: File exists 信息. 跟踪到这里还没有找到数据此信息 ...
Web26 dec. 2006 · I want to add a default gateway address using ioctl instead of system call. In c, using system call in main(), it works fine. but I want to use ioctl SIOCADDRT to add …
Web17 sep. 2024 · This command works perfectly from terminal: sudo ip ro add 10.0.0.6 via 192.168.30.1 If I check "ip route", I see, that route was added. I want to implement the same command in C using ioctl. I wrote this function: how to screen share on this computerWeb16 sep. 2024 · 可以使用 ip route 命令查看下路由表。 可以使用"network_build": "localhost", "ip": "0.0.0.0" 绑定本机所有网卡. 如果是虚拟网络模式下要实现局域网内互通,要再进行 … how to screenshare on twitch studioWeb17 aug. 2010 · I'm having troubles on setting the default gateway address (and other addresses, such as netmask, or ip) of the host running a C program. I know it has to be with ioctl, but don't know how to do it. Could somebody give me an example on how to set the default gateway address of a determinated device from the C program? Any comment … how to screenshare on twitchWeb10 jan. 2005 · Routing, network cards, OSI, etc. Anything is fair game. ... SIOCADDRT: File exists SIOCCADDRT: ... is the internal one - the external one starts up fine) The internal one won't even start manually (ifup eth0) until I change whatever IP address was there before. Doesn't matter what IP was there, ... how to screenshare on tiyaWeb31 rijen · 3 jan. 2011 · Open a command-line terminal (select Applications > Accessories … how to screen share on twitch pcWeb12 apr. 2024 · I'm a newbie with linux and I have a problem I don't know how to resolve... I'm using kali linux and I needed to add the routing table to my device with this command: ```sudo ifconfig wlan0mon up 192.168.1.1 netmask 255.255.255.0 route add -net 192.168.1.0 netmask 255.255.255.0 gw 192.168.1.1``` I get this: ```SIOCADDRT: … how to screenshare on whatsapp desktopWeb25 aug. 2024 · 场景: # route add default gw 192.168.4.1 route: SIOCADDRT: Network is unreachable 解释: 1、先ping一下网关,但是ping的通不代表一定能做路由的下一跳。 2 … how to screen share on twitch studio