Switch can t ping router. Had I NAT'd everything, it would have hit ISP as 100.
Switch can t ping router I can’t, though, ping to I'm trying to configure loopback interfaces on (2) 3560 Multilayer switches that i can ping from any computer. You need a router in the middle to be a defalt gateway for the switch if you want it to ping all networks . I can ping from the Layer 3 switch console to the Internet. And the natting from inside is done by vlan1. . The router is able to ping everything on our network and the switch too, but it seems if the clients can't get through the switch, any ideas? I can’t get my lab switch non-primary VLANs to be able to ping my lab router. 3 so the switch would know to go to that address to get to 7. R3 can't ping itself on 172. Helpful. Good day. The router can ping the switch's attached interface, the vlans I have se It looks like your config is correct. (I am confused also about layer3 functionality in this case . It's also funny that from switch on port 24 there Good evening, Trying to ping hosts over a simple OSPF network. I have checked the switch to the best of my knowledge and do not see any "ip routing" in the running config. Serial 1/0 ip address 192. I think the switch should learn the ip addresses with the ports and then forward the ip on its own and should not require any configuration to just ping between the two routers. Both switches have the following configs. 1. I am able to ping from router to switch using the driectly connected address . I have reset the switch multiple Thanks for the help so far! The switch can now ping outside the router but there is still one problem. The sub-interface is up as i can ping it from If you are unable to ping a switch from a remote host and you have made sure that your routers have routes to the different subnets in the network, then make sure that you configure the default gateway on your switches for the vlan interfaces, otherwise, you will not be able to ping the switch or have VTY access. no ip domain Default route is configured as: ip route 0. This typically hapens when the destination IP Hello, I’m a newbie studying Cisco. interface FastEthernet0/1. 0 255. I turned it into standalone mode, but that seems to wipe the config when I do that. I know I'm missing a step but can't figure why the ping fails. Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed ; Permalink; Print; Report Inappropriate Content 08-12-2021 05:49 PM - edited 08-14-2021 06:53 AM. 2. I have attached the running configs for the three devices. Background Information: The switch and the client are both part of the same VLAN. Pleace check my config and tell me what I did wrong. . so, it may not be I am trying to ping on my management VLAN across a trunk between 2 Cisco switches. 1 can't ping the switch (192. The switches both have the same firmware and configuration. router f0/0 int ip= Hello Everyone - I have 2 issues here which I'm hoping is an easy fix and I'm simply overlooking the basics. 2. (They can ping each other) I've attached both running con The router can't ping that switch, and that switch can't use the router's NTP server. Everything in the VLAN network can communicate fine and also receives DHCP from outside the VLAN network using an IP helper address. I appreciate R2 has an interface on Eth 1/2 with ip address I have a catalyst 3850 running IOS and I can’t for the life of me be able to ping any SVI’s I’m making. 7. delano1981. If you configure the below on the switch, the switch can ping the RADIUS server: When you shutdown the switch's vlan 252 interface and try the ping again it is successful because the source IP will be one of the switch's non-vlan 252 interfaces. Skip to main content. 1 Supports only single I have a simple topology in which I connect a cloud to Cisco Router. 255. switchport mode trunk No, I don't think so. Thank you. g. Suggest checking network. I know this isn't a cable problem, nor a switch port issue. I attached a picture of a network similar to mine just to better illustrate. Now you should be able ping router about switch: if your switch is Layer 2 device (not L3) and managment vlan have different addressing than your pc then switch should have ip default-gateway set, also L2 switch ip address Hello , I just want to know ,what is wrong here. My home router NATs everything going out so Google knows where to send it back to. Both have an IP address assigned to their vlan 100 interface. 192. even though router and pc are in same network but ping is not working from router to pc but reverse can work . Stack Exchange Network . I attached a switch to the Inside port on the router, but it CANNOT ping the internet (8. For my local host to get to the internet they must use a default route. I've set up hosts on a @daniel1972 said in VLAN can't ping pfSense address: My traffic is send to Internet. Improve this question. 11/16 and I can't understand why. Issue #1 - Cannot ping from switch1 to router1 and vice-versa. I've checked . I Have Router 1 . 1 address is an HSRP address. roy batty roy batty. I can even ping to the other side of my LAN router. Follow edited Jun 30, 2016 at 13:13. The same router is connected to another router, representing ISP provider. I know that some config is awful here, actually on that connected switch but I am learning. 0/24 and router is in 172. However I can't ping from one to the other. are you trying to ping the router from the switch cli Why are you trying to get your switch and router to successfully ping? I recommend connect a end device such as a PC to the switch. 1, I don't know if it can help) I guess that traffic goes through FW trunk port to route for the ip 10. The config wouldn't show that you created an RSA key. Have you any advice on how I can get the switch to ping again as normal? Or what I could check to see I made a network and implemented VLANs and everything is working except that i cannot ping past the gateway of the router on a stick from the VLANs. Both interfaces are configured as follows: Nexus Switch 1: int eth1/18 ip address 192. Here's my GNS3 topology: R5 has subinterfaces Fa0/1. I've connected two routers and created subinterfaces on both ends. However, if I set ping to use a But I can't ping from router 1 to router 2. Cannot ping each other. VLAN 20 host can ping all devices on VLAN 1 and ping switch gateway(192. I can't ping internet from the switch but i can ping the router internal interface (192. Be sure to turn debug off when done. My problem is that i can't ping the router from any PC. All hosts can ping their specific routers (1 host per router). I have two router connected via serial link and each router has one host connected via switch. I have laptop connected to Router 2620 on the same network range(LAN). 100) cant ping the gateway IP of 192. Please see attached for a crude drawing: the network consists of two 3560 switches and a DSL router as well as two Wifi APs (not shown for clarity). However the topology on Can ping internal switches, can't ping external - suspect OSPF config Go to solution. Fixed the subnetting and now the routers can ping, but still unable to ping across them from I can’t ping the router at 192. All configuration settings are factory default except DHCP client has been Hi, I am using packet tracer 5. 168. Cabled or Wifi doens't matter. Assign your IP addresses for your network. I was able to configure everything as i wish to have. Hello everyone I have a problem I have 1 router and 3 switch's and two computers in my topology The router is connected to switch1 And the other two switch's are connected to switch1 I did setup Vlan's and dhcp pool in my router and it work fine I plug my computers in the switch's and they take the correct IP addresses and i can ping between them even they are in the same vlan I can't ping 192. The routers can ping each other. 10. From inside my LAN I can ping to any of the VLAN gateways. I'm not able to ping the router from the multilayer switch or the otherway around. I can succesfully ping servers such as 8. The NBE has newer firmware than the NS. I can ping everything from the 172. After trying for a few days to get it working I decided to set up a new test environment and work through this example from UBNT. I think the issue is more pfsense related though because: DHCP is getting through. 0 through Fa0/1 Hello all, I have an ASA 5512-X set up. interface FastEthernet1/0/1 switchport access vlan 10 switchport trunk encapsulation dot1q swit I'm having trouble getting a router to ping or talk on a network. 2 switch, but from the 172. 38. 10 Laptop 192. 4 no service timestamps log datetime msec no service timestamps debug datetime msec no service password-encryption ! hostname Router1 spanning-tree mode pvst So in my network I have a setup where all the switches are on a /26 management network, on a management vlan. interface TenGigabitEthernt1/1/1 switchport trunk native vlan 5 switchport trunk allowed vlan 10,20-21,30,40,50-51 switchport mode trunk switchport nonegotiate spanning-tree guard root service policy output Now router one is connected to router two, which in this case is my isp. Everything outside the VLAN network can communicate fine as VLAN 1 host can ping everything and has access to the internet. More than that I can't ping local address on subinterface. 0/0 192. Hello all good people, Just preparing to my CCNA, an decided to prepare some easy network at my home. but I cannot ping the internet from . The switch itself is not able to ping out and other devices aren't able to ping it. 16. I can ping the Nexus SVIs themselves, but the Aruba switch can't ping and no ARP cache for the HSRP active address. 5. and are u sure u want to use FastEthernet 0 ? it is management port on new brand of switches, which u can configure with ip address. The reason I want to acces my router is to set up a IP camera. 2 switch. I have a layer 3 switch with IP routing enabled. 1 or vice versa. I do have a route 0. Thanks for any suggestions. Topology: Router (g0/0) -----Switch I am working to configure our new Ubiquiti network switches for our production environment and have not been able to get internet access or ping the router interface on any of the hosts connected to the switch on any VLAN. In my little sim I don't have NAT configured so "ISP" has no idea where 192. This can be done by issuing the . I then have 2 vlans set up. those. So either there's no active port in VLANs 10 or 20, or there some kind of misconfiguration of the VLANs or the Switching; Can't Ping from Router using Static NAT; Options. 0 0. I can ping the internet from the router. The hosts can ping the default gateway. 254). I configured both sides but can't ping neighbor router. 38/24 The 192. Router as I said, I configured interface fa0/0 to request ip address from dhcp, and enable ip domain-lookup. enable ip routing command on Switch ESW1. This is a screenshot of my work so far This is my router configuration hostname Router ! ! ! I am able to ping from switch to router using the directly connected address. 1 statement on the intermediate router. 100. 10 and Fa0/1. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and I'm currently troubleshooting a network i built and I'm having an issue with ping connectivity, i have set up DHCP and DNS and my end devices can get IP's from DHCP as well as i have intervlan connectivity and all of my end devices can ping each-other, as well as my router can ping my end devices, but neither of my 2 switches are unable to ping any of these I posted last night about my switch not using port 27 and 28,which was solved. i can ping from PC0 to Cant ping across Router Go to solution. Mark as New; hello guys, i was trying to connect physical router 1760 to pc via console. 5. Fa0/0 ip address 193. For example: laptop>problem switch> netgear switch>dhcp server works. 4. But I am not able to ping gateway ip address from switch . Hi, In packet tracer that works After configuration switch 2950 cannot ping any sub-interface ip on router 1841and vice versa - router cannot ping management ip of switch in vlan 99 (10. The switch can ping the router. 1/24 ip route on router 0. What am I doing wrong? hyper-v; windows-server-2012 ; Share. command ip default-gateway 192. 2/31 no sh I also tried configuring an 'ip route' on If you can't, just post sh run | i ip route from dist and core switches. R1. If the switch was blocking traffic I wouldn't expect DHCP to work. You either need to configure static routes on all the routers for those networks, or you need to run a routing protocol to share the route to those networks. 1 SVI has address 192. 2 default-router 192. That seems to have worked fine, but like I say I can't ping the router, even when There is a core switch connected to the router to the inside network. The reason the switch cannot ping the RADIUS server is that the switch does not have an IP address configured on Vlan 1. that's the whole reason why I put the routers in to begin with, because we need to have different internal and external IP addresses, and the only way I could find to do that was to insert routers in-between each location's 0 switch (e. Hello, I set up a lab with a switch and a isp routeur connected to it. I reviewed the TBS steps listed, but the issue still remains. I'm using one router, one switch and to the switch are attached all the PCs, i've setted the router interface as a trunk type while all the others are I would say no, you can’t ping L2 switches or devices without Layer 3 - routing functions. service timestamps debug datetime msec 4. S2 however is unable to ping itself, S1 or the Stafford router. The switch is configured with VLAN information, and I think I have a simple setup. I can get everything setup but my hosts can't ping each other through the router? This is a single router with two directly connected networks. Picture . Prior to recent changes, there were no issues: both switches were configured as layer 2 devices and the only VLAN used was the default (Vlan 1) i. 20. 11 is my Server 1. So the question I have is: 1. From the HQ core swithc when I enter show cdp neighbor I can see the new router in the remote office. The clients can't even ping to the router atm, they can to the switch though. i have enable IP routing on both switches. Cannot change LAN virtual interface When the switch trunk port is configured to have vlan 100 as the native vlan, all traffic on vlan100 is untagged, which looks like vlan1 to the router, boom, vlan hopping, that's why you can ping I have updated config with all suggestions however the router(192. I face one issue (seems to be easy to solve) but not for me Solved: Hello, I'm working in packet tracer and am running into an issue with pinging the SVI on my switch from my router. For switch to be able to reach The interconnection from the router to the switch is done from the router F0 and connected to the switch f0/24. I can ping internet from Router, Core Switch and Access switches. Mark as New; Bookmark; Subscribe; Mute; Subscribe to RSS Feed ; Permalink; Print; Report Inappropriate Content 05-22-2020 02:21 AM - edited 05-22-2020 02:35 AM. I also can't ping the router from the VMs. I have a problem pinging the router connected via L3 switch from a PC in GNS3 The topology on the left using the default ethernet switch in GNS3 has no issues. 6. The router is configured as the Solved: Issue: pc can ping the switch put switch can't ping the PC in same Subnet (Vlan 10) Switch Configuration: ip dhcp pool pool1 network 192. Subscribe to RSS Feed; Mark Topic as New; Mark Topic as Read; Float this Topic for Current User; Bookmark ; Subscribe; Mute; Printer Friendly Page; 6866. 8. managed switch and had the same result as I'm getting now--can't ping IP addresses (can't ping the switch's . Printer can be ping by multilayer switch and switch but not the router and other PC . I can ping the switch and router fine from other devices on the network. I can acces my router from any other laptop/device in this home network. So there really shouldn't be a problem with reaching the 1) configured router with sub-interfaces and assigned vlan's to every sub-interface using dot1q 2)configured switch ports with vlan's and attachd Pc's to every vlan. 2) via the ping tool in CUCM but can When you say “Can’t Ping Router from Switch” do you really mean that or do you mean when connected to the switch? (e. Why not? All on packet tracer: Router1 Router1#sh run Building configuration Current configuration : 1369 bytes ! version 12. It received a DHCP address from our ISP and it can ping the internet (8. I can ping the router IP from the router. Replies. 1). 2 Router# the router i can ping out to its default ateway (when its set on f0/0) but i just cant ping the switch it doesnt want to know, and the switch cant ping the router, yet in packet tracer is fine, its the most basic way it can be setup and i just cant ping my router which is my default gateway, i have tried putting ip address directly on I setup a lab in GNS3 and I can't figure out why I can't ping R7 from ASA1. 0/24 network. 1 is not needed because ur switch is L3 not l2 switch. 1/31 no shut Nexus Switch 2: int eth1/18 ip address 192. From router one to two i can ping. 2) that has CUCM 7. 0/24 is. 180. 2 switch, I'm not able to ping the laptop connected to the 172. 254 vlan 10 ! interface vlan 10 ip add PC ----Switch----Router Switch can ping Router PC can ping Router but my switch can't ping my PC ? why is this? Just curious I mean my internet works fine and everything works normal as it should. Trying to configure the activity for and for some reason that I can't figure out, I can't ping the end devices from router and vice versa . Had I NAT'd everything, it would have hit ISP as 100. ARP is a Layer 2 function because it’s used to find the unknown MAC address of the intended receiver, but it still needs the L3 address & routing function to make it to the intended host & back with the arp message. I can't ping or acces my router on my default gateway IP 192. I The switch can ping everything, just as expected. 128. 1 from the switch and vice versa. Can't Ping from Router using Static NAT Go to solution. Can you ping the default gateway IP from each PC? The output of show spanning-tree doesn't show an STP instance for VLAN 10 or 20, just for VLAN 1. i already turned off the window firewall . I have a laptop connected to each switch, and I'm getting the correct DHCP and default gateways. You need a router in the middle to be a defalt In your original config the router was using a sub interface which tags vlan ID 1 - but the switch was not using tagged vlans on any port. It only knows 1 network. Both devices have vlan 100 created. 998 3 3 gold badges 14 14 silver badges 31 31 bronze badges. I've also attached show version. Routeur know information: ip I am using a Mikrotik CS326 switch as well. 8) just fine. Where am I wrong? (Above ping output are from a telnet session coming from another pc/network 10. However, back in the office (15mins later) pings have stopped to the switch but not to the pc (which is working!) the switch ports are initialized. 253). I am stuck in that that switch can't ping router and router can't ping switch. Why I can't ping my switch Vlan99? Hot Network Questions How can Anglican clergy be suspended, without pay, for teaching what the Anglican church states to be its theological beliefs? Pseudopotential PBE and PBEsol Obstructions to Fpqc Sheafification Can anyone help me on the issue which i am running on GNS3. But the hosts are not pinging the other host/router. 0. Would anyone be able to help me to find out why this is or where do I start looking? I need to create a network with 5 VLAN where the PCs in the same VLAN can comunicate between them, while PCs from different VLANs can't. Now that the switch is racked, I've tried consoling on and copy +pasting the config file into the console, which seems to have worked (somewhat) I can't ping the switch at all. the problem is that i can ping router one from any of my networks the configuration is as follows i just can't ping router two from those network. Router 192. Only switch VLAN 1 (default) is able to ping the router interface. The NS-5AC and NBE-5AC have the same configuration. 13. 10/24 Gateway on Laptop is 192. I've But in my head I'm thinking "well my router at home sends pings to google and they come back, so that's not the problem". Cloud Configuration has a "eth0 interface", I was trying a "lo interface" but when I tried to request a ip address from DHCP, it didn't work, just worked when I used eth0. 10 or 11 from 192. 1) and obviously no internet. 11. 2 in VLANs 10 and 2 respectively and is connected to Fa0/5 on SW3 You can check the following. All routers can ping each other. For SSH ver 2 (which is what you have configured) to work, the key modulus size must be at least 768 bits, not the default 512. Karlo. switchport trunk allowed vlan 10,20. PC can ping each other but can't ping the router and the printer. Now it makes sense. Both devices are set for trunk ports on the interface that connects them and allow vlan 100 . Level 1 Options. Also, when you ssh into the switch with the PC, open up the desktop tab, command prompt, and type the command ssh -l admin 192. Currently, I am able to ping the loopback interface on switch 1 but not on switch 2 from any computer in the 2 VLANS i created. I think my addressing is correct because i can ping the router by logging on via terminal session and sending a ping with defaults. version 12. 1 Your problem is most probably in the switch if you don't see any DHCP REQUESTS received on the router. The router and the server are in the same subnet. 4)I can't ping the router sub-interfaces from the switch do Hello, I'm new in networking and I'm working on this network assignment for uni and i've been stuck for a few hours now. Well, I can't go home until I figure this one out, so I figured I'd reach out for I recently setup a new extreme switch that I am having a problem with. 8). 14 is a pc in my LAN. Can the switch ping it's default gateway. e, it was a The configurations I'm using work fine in packet tracer. 28. Though I am able to ping through the switch. ) Can't ping Router from vlan 2 or 1 or between vlans. You can ping router to router because L2 works just fine through the switch and each router is aware of the other network. Pinging uses ICMP which requires Layer 3 & uses packets to send info. What I’m I missing? Please he In that scenario, I had plugged the switch into a . You can run "debug ip icmp" on the switch that can't be pinged while you ping it from the router or pc to see if traffic makes it that far, but doesn't get back. What do traceroutes show you (with a firewall as a gateway they may not show much). 3 to build a network. I thought The switch would simply forward it to its default gateway, in this case R0. I have an ICX 7150-C12 that should be viewable in unleashed. Does the L3 switch have a default route that points to firewall. I can ping the computers both vlans and the vlan ip addresses. Search how to setup a From the switch I can ping the router and server with no issue (directely connected). interface I can't ping between 2 Nexus 9k's. It only shows failed to ping ICX [IP ADDRESS]. I have 5 VLANS (5, 10, 20, 50[NATIVE] and 99) that all meet at a common gateway where they all communicate together fine. 64. Issue i am currently having is that a device on one network (192. I have a crumby router plugged into the switch and the switch is configured with its management on the default vlan which is also They can ping the svi ip address now. I need to know why. add switchport mode access in case switch does not converted. I'm for sure missing something very basic, but I just don't know what. Have a look at my previous post on configuring bridging You can't ping because your devices are in different networks. 0 192. Similarly when I enter show cdp neigh on remote site router I can see the HQ switch. 0 10. HULL0) and the respective national layer 3 switch. If all this is true you should be able to ping one switch from the other on vlan 100. I know i have to be overlooking something easy or small. L3 switch show run code. If it did I'm having issue with subinterfaces. Issue #2 - Cannot gain internet access from PC connected to switch1. 0 dns-server 4. With Router on stick configuration. But from the server I am not able to ping the router. If the switch, You can ping router to router because L2 works just fine through the switch and each router is aware of the other network. 3)pc's from all vlan can ping all the subinterface and other vlans's. Also, check sh ip arp vlan2 on CORE SW that can't ping standby IP address to see they learn virtual mac for standby IP address correctly. This If I remove all the code pertaining to the switches and hosts and attempt to ping router to router it works fine, but with the other devices it seems that when I try to r1 ping r2, it's trying to ping out the interface attached to the switch instead, not sure what is happening there. No routing protocol implemented. pkt file. kobe5934. If it is true and you are still unable I wonder if there's something in the configuration that I missed - the part I can't wrap my head around is where I can successfully ping the SVI on CORE-1 from CORE-2 and vice versa. The details are below an Switch Cannot Ping Gateway: The switch, a Cisco 2950, is unable to ping the configured gateway (router). On the firewall are there separate interfaces for the L3 switch connection and your machines vlan interface or do they go in the same interface. The clients can ping each other When I run a packet capture on pfsense I see the ICMP / The nodes in the vlans can ping each other. 1. How to fix that ? I tried so much variants but them didn't help me . set up: SW2960X -------> ISP routeur ( no access to it, no modification can be done). Actually router must do static routing, that i am trying to do but that doesn't help me . The network has 2 switches and router on Vlan99 as shown below (the rest of the topology is not shown in the image). XBLOssia. asked Jun 11, 2015 at 13:43. Shows: R1#show ip ospf Routing Process "ospf 1" with ID 1. EDIT: I have also attached the . I set up a static route on my switch to point to next-hop of 10. Router 1 is connected to LAN Switch network 10. I have a home lab with a Cisco SG300-10 switch and an EdgeRouter-X router, which Since, Ping is 2 way deal, to and from must be ok to get success, u will need add more static routes on routers and L3 switch. BUT, it can't ping the router's IP (192. 6. If I remove that default route, suddenly ARP resolves and I can ping it. No hosts can ping each other across the network. All devices in LAN can ping each other. Can VLANS (svi's) in the same L3 switch Finalizing a LAN setup and I’m stuck, Help Out! I can’t ping internet from hosts. You would need to set the switchport to Unless you have a L3 switch, your switchcan only be a switch. I tried updating the NBE firmware Solved: Hey all, Trying to setup a cisco router to work with 5 sub-interface vlans. However, the nodes cannot ping the router. Switch has a VLAN 1 SVI in network 192. Ping is a two-way application, and the routers must be able to return traffic to the networks behind the switch, and if they don't know where the networks are, the traffic will be dropped. I can ssh into both the directly connected switch, the core switch, and the networks router using their management addresses from the pc, but I cannot ssh or even ping the third switch connected to the core switch from the host pc. IP, not can it ping local IPs). The switch just drops it. 9 1 1 silver badge 3 3 I have a problem that I simply can't understand - although I'm sure there is simple explanation. The problem is that the PC can't ping anything outside its VLAN. Solved: I have done the subinterfaces encapsulation on the router, done the switchport access vlan, switchport mode access but i am not too sure where to put the switchport mode trunk and i am still unable to ping the router any help is Once all the changes had been saved, the switch & pc ip addresses were now able to be pinged. 99. Here is that config: At present, I can ping to each end (including the Internet) from the intermediate router but I can't ping through the router from either side. How can I allow PC0 to ping R1's Lo0? I have two Cisco Catalyst 3560 switches connected to a Juniper SRX 550 Firewall. the switch that connects to router A switch1. 254 but i do have error-free internet acces. S1 can ping the Stafford router. I do have another router/switch combo for our lab (2801/3560-x) that works as expected to the same layer-3 core switch. Unleashed sees the switch enough to auto populate its info (MAC, IP, Model/Name), but is unable to complete the connection. Views. Thanks in advanced. xvlbx evivk vtj gkxcho fdb hcf zkyij imk ccvyt sfou