Cisco nexus no route to host I setup it to factory default and I assigned an ip 192. Jul 24, 2014 · This chapter describes how to configure VRFs on the Cisco Nexus 9000 Series switches. The issue is that I have configured it to use a specific vrf but it seems that AAA is still looking at vrf default which it should not. The following tables list the LPM routing modes that are supported on Cisco Nexus 9000 Series switches. This feature is introduced in Cisco NX-OS Release 9. From the Cisco 3750 i can ping the 10. I have tried either configuring a dummy gateway or no gateway, but no difference. 255. 1 update-sourc May 14, 2025 · The Host uses Switch Virtual Interface (SVI) 10 of Nexus 7000 switch as its next hop to remote network 192. switchports do not correspond to Vlans created on router Find attached the revised, working file. Oct 16, 2024 · The DC-1 ESXi Host gateway IP is a distributed anycast gateway hosted in Service Leaf01 & Leaf02. ip route { ip-prefix Sep 20, 2017 · Forwarding Configurations Forwarding Configurations for Cisco Nexus 5600, 7000 and 9000 Series Switches in the Programmable Fabric Use these configurations for configuring your Cisco Nexus 5600, 7000 and 9000 Series switches. I can ping the host from the switch Sep 6, 2011 · Rosa, If the 7K is functioning as a layer-2 device only, then you don't need a default route (ip route 0. Jan 14, 2020 · Start a conversation Cisco Community Technology and Support Service Providers XR OS and Platforms Facing ssh: connect to host port 22: Connection refused Issue on Cisco XR Bookmark | Subscribe Oct 8, 2024 · From Cisco NX-OS Release 8. I can pass vlans between the switches with no issues. CLI Debug Feb 13, 2015 · Use of the route-map feature in Cisco Nexus NX-OS Software to define customized routing policies. Oct 17, 2022 · This document describes how to troubleshoot Ethernet VPN/ Virtual Extensible LAN (EVPN/VxLAN) in Multisite Environment. May 22, 2017 · I am new to Nexus and I have a basic routing question. 0/31 and Nexus Switch 2 with an IP address of 192. 138. Stick with them… Cisco Cisco Nexus 7000 Series Switches - Configuration Examples and TechNotes Cisco Nexus 7000 Series Switches - Some links below may open a new browser window to display the document you selected. 254, i am told that there is no route to host. BFD is a detection protocol designed to provide fast forwarding-path failure detection times. 39. Maybe it could be helpful to use "ping" or "traceroute" to find a solution. 3 (5) introduces VXLAN EVPN with downstream VNI. BFD provides subsecond failure detection between two adjacent devices and can be less CPU-intensive than protocol hello messages Apr 23, 2025 · A default-route distribution and host-route filter is a route management feature in VXLAN BGP EVPN fabrics that: advertises all known routes to external network connections by default, Jul 24, 2014 · This chapter describes how to configure IPv6 and neighbor discovery (ND) on the Cisco Nexus 9000 Series switches. Learn more about how Cisco is using Inclusive Language. no link between the routers 2. In earlier releases, the VNI configuration must be consistent across all nodes in the VXLAN EVPN network in order to Sep 4, 2024 · This document describes how to configure Route Redistribution on Cisco Nexus NXOS® based switches. 1 remote-as 64520 neighbor 172. guest@mgmt-topology$ telnet IP Trying IP telnet: Unable to connect to remote host: No route to host guest@mgmt-topology$ (where topology is the ID of the topology built, and IP is an internal IP address from the Network-Guest range) Any ideas? Dec 5, 2013 · Dear Cena, Thanks for the Reply, Nexus 3048 Switch Connected to Core switch (3750) , Show Cdp Neighbours shows the Devices . Jun 28, 2023 · Non-Cisco network guy here just learning Cisco. Default Settings Table 17-1 lists the default settings for policy-based routing parameters. 10 switch (config)# copy running-config startup-config Use the no ip static-route command to remove the static route. 249. Sep 15, 2025 · This document describes how to securely copy files from Cisco routers and switches to the local Windows/Linux/macOS PC. On 5k2, show cdp neighbors shows 5k1 AND the 4500. Troubleshooting Virtual Port Channel Issues A virtual port channel (vPC) allows links that are physically connected to two different Cisco Nexus 5000 Series switches to appear as a single port channel to a third device. Aug 27, 2021 · The IGMP host proxy support is provided for underlay multicast on Cisco Nexus N9K-C9364C, N9K-C9332C, and N9K-C9232C switches with port-channel (L3) uplink. However, when I try to Ping any of my ESXi Feb 7, 2024 · This document describes the procedure to perform Border Gateway Protocol (BGP) troubleshooting and understanding of the basic outputs on a Nexus. Jun 16, 2017 · Hi, I just started to learning the ASA 5510. There are a couple of reason this may happen. 0/0 10. Run the same command on the other Nexus 5000 switch and observe the ports. You Oct 8, 2024 · In this case, Cisco NX-OS sends all traffic for each IP flow to a particular IP next-hop address. Use the system startup-config unlock command to remove these locks. I noticed that when i attempt to run "ping <radius-server> vrf management" i get the "no route to host" message. That i have configured a port-channel with cisco 3750 and seems ok. (switchstack1---aggregate1-aggregate2---switch-stack2) I set IP addresses on both switches, however, there is not connection between two switches even though they have default route towards palo alto. Sep 16, 2014 · If the Cisco Nexus 3000 switch is used as a Layer 2 or Layer 3 termination switch, Cisco recommends that you set the mac-address-table-aging-time to 1800 (higher than the default ARP aging time of 1500 seconds) on all VLANs. The following figure shows two hosts connected to two VLANs on a device. However, you can configure the device for different routing modes to support more LPM route entries. 3 (4). The DC as two ESXi:s connected to a Nexus 9k pair running vPC. 31. but I cannot ping and the result is no route to host error… I remember i did this to a cisco switch… Mar 22, 2021 · Beginning with Cisco NX-OS Release 9. Use a physical Layer 3 interface (parent interface) for external Layer 3 connectivity (VRF default) if permitted. All you need is a default-gateway. 8. 1 255. Jul 24, 2014 · For IP host routes, use the show ip arp command to make sure the IP host route is available for the next hop specified in the set ip next-hop command. Check policy/firewall elements if there are any. but i was unable to ping the subnet gateway from the nexus core switch and gets the error as "no route to host" Jan 3, 2025 · Ah, okay, I understand now. which you have already configured. Feb 20, 2016 · Solved: Hello everyone! At my new work i have a cisco nexus 5548 switch and i never work with it before. Jul 13, 2012 · Cisco Nexus 5000 Series NX-OS Interfaces Configuration Guide, Release 5. So I want to configure a dedicated keepalive on my VDC and reuse the mgmt ports for mgmt purposes. The only way I've been able to get to any device outside this switch is by specifying the source. Background The introduction of the Host-Based Routing (HBR) feature after Cisco Application Centric Infrastructure (ACI) release 4. I have configured Vlan in the vrf, then tried to add a static route, but it is not working. Since i cannot ping the 10. You can import IP prefixes from the global routing table (the default VRF) into any other VRF by using an import policy. 1. I can boot the switch from the loader using TFTP. 21. 1/30 and Nexus Switch 2 with an IP address of 192. ” I have entered the default route 0. Feb 23, 2012 · Hi experts, I am trying to understnad BGP messages and i configured bgp as below. 8, however, when pinging from the inside interface, PC1 or R1 I am not able to reach 8. configure terminal 2. Am I wrong? What do I miss? May 27, 2016 · Hello, I am setting up a new pair of Nexus 9372PX switches in tandem via vPC, and I am wondering if anyone else is having this problem: I cannot ping from the the end device in VLAN 7 on the access switch to the default gateway, which I set up on VLAN 7 in the Nexus 9372PX when the port-channel is s Aug 21, 2011 · copy bootflash: no go Copy bootflash tftp: no go copy bootflash: filename no go I tried WINSCP no I have tried cisco device manager " busy network no route or snmpd is unresponsive " no go I'm not a networking person but trying to learn and can't seem to get the new bin file copyed over to the switch Any help would be great Thanks, Ed Jan 17, 2020 · hi, i have configured vpc on 2 nexus 3064. Mar 26, 2018 · How to create default route on the access switch so that this switch is able to ping to other VLANs on the attached core switches. Config below: ====== vrf context INTERNET ! interface Vlan11 description Routing Vlan for vrf INTERNET no shutdown vrf member INTERNET ip add Apr 30, 2013 · Hi Alan, The Nexus-OS is pretty cool. trueWe just received a Cisco Nexus 3048. 5. For now, I have peer-keepalive up and running on ma Jun 27, 2023 · Non-Cisco network guy here just learning Cisco. I dont think this new Nexus is configured the same way. Can anybody explain me how to enable "ping" or "traceroute" command on it? P. conf t vlan 7 name "Test" end But when I try "interface vlan 7" I continue to receive "Invalid interface format" on "vlan" I tried "interface ?" and only receive the following options ethernet Ethernet IEEE 802. Jul 11, 2024 · Introduction This document describes Host Based Routing (HBR) feature in ACI. The secondary Nexus is unable to make that VRF work router bgp [AS_NUMBER] log-neighbor-changes vrf [VRF_NAME] address-family ipv4 unicast network [NETWORK_IP] remote-as [AS_NUMBER] timers [TIMER1] [TIMER2] address-family ipv4 unicast on Secondary NXOS ping [IP_ADDRESS] vrf I was trying a python script to send email on cisco nexus 9000 series switch but it says no route to host. Simple config, one vlan and one Lo0 intf which the ne Aug 30, 2023 · Maybe you should check if there are any ACLs or firewall rules on the Nexus that might be blocking traffic to/from the mgmt0 interface. 110 255. If that's the case and you have a static route to that router but no route on that last router to get back you wont have reachability. The switch to which the new host is connected could have STP enabled on the access interface, and it is going through the STP initialization (blocking, listening, learning, forwarding). I have a spine/leaf configuration using Nexus C93180YC-FX3 in all roles. For more information about IP addresses and IP routing, see the Cisco Nexus® 3550-T Unicast Routing Configuration section. Oct 8, 2024 · For more information on IP SLAs, see the Cisco Nexus 7000 Series NX-OS IP SLAs Configuration Guide. MGMT0 interfaces on each of the Nexus VDC's (including the Admin VDC) are configured with different IP address, but on the same subnet i. These services are available for all the data center sites and provide real time analytics, visibility, assurance for network policies and operations, as Configuring ECMP for Host Routes This chapter describes how to configure the equal-cost multipathing (ECMP) protocol for host routes on the Cisco NX-OS switch. I am trying to configure VLANs for the device. no default route (or routing protocol running) on the routers 3. Certain limitations apply to route leaking in VRF Jul 24, 2025 · This document describes how to configure and verify the EVPN/VXLAN Multi-Site environment on Cisco Nexus 9000 switches with route server integration. x November 2014. x (my upstream default gateway). S I hear it may be enabled with " (config)# Apr 26, 2022 · Layer 3 inter-VLAN Routing You can route traffic across VLAN interfaces to provide Layer 3 inter-VLAN routing by configuring a VLAN interface for each VLAN, and assigning an IP address on the VLAN interface. List of default interfaces—If there is no explicit route available to the destination address of the packet being considered for policy routing, the route map routes it to the first up interface in the list of specified default interfaces. 2(1)N1(1) -Configuring Layer 3 Interfaces 管理ネットワーク接続は正しく機能しており、クラスタスイッチがpingおよびSSH要求に応答しています ただし、スイッチからスイッチ自身のIPアドレスを含む任意のIPアドレスに対してpingコマンドを実行すると、次のエラーが表示されます Cisco Nexus 3000 Series Switches - Some links below may open a new browser window to display the document you selected. What happens is as follows: Pings work Despite traffic going through the network, there are no NVE peer relationships. 110/21 i have create a vrf context withj ip route 0. CLI Debug Feb 7, 2019 · Enter vrf (If no input, current vrf 'default' is considered): ssh: connect to host 10. My main problem is that I am unable to reach my Mgmt 0 port from my ASA. i am not doing any special L3 routing except for the peer keep-alive link and inter-VLAN routing. I saved it in Packet Tracer version 7. Nov 30, 2023 · This document describes issues that keep BGP neighborship from correctly being established. This feature is limited to the VDC on which it is applied. VRF supports route leaking (import or export) between VRFs. Configuring Virtualization You can configure a static route in a VRF. Mar 6, 2011 · This example shows how to configure a static route: switch# configure terminal switch (config)# ip route 192. Use the ip directed-broadcast hw-assist command on an interface to enable hardware forwarding of all IP directed broadcasts on that interface. I can also ping between the vlans on the Nexus switch. Default route not being advertised to ospf on a pair of Nexus 9k's using VPC Part of config vrf context PUBLIC ip route 0. Jul 7, 2021 · To fix this, you have the following options: Configure Nexus Switch 1 with an IP address of 192. If the route or packet matches the configured criteria, Cisco NX-OS processes it based on the permit or deny configuration for that match entry in the route map and any set criteria configured. For more information on IP addresses and IP routing, see the Unicast Routing Configuration Guide for your device. My NVE interfaces transmit but never receive and ICMP traffic ingresses to the spines but never egresses anywhere. vrf context vrf-name 3. This enhancement significantly simplifies ACI deployment and Apr 10, 2022 · Hello, I was unable to open the Packet tracer file (probably my end issue). 1 Sep 17, 2016 · To enter a static or default route for the specified interface, use the route command in global configuration mode. To remove routes from the specified interface, use the no form of this command. Here is just an overview of some things to do and consider. 1/31. 255 router bgp 9498 no synchronization bgp log-neighbor-changes neighbor 172. Apr 8, 2012 · This BC connects to two main NEXUS 7010 core switch, I added to trunk port of these switches as well and vlan was already created in the nexus core switch. In the ESXi end there is a standard vSwitch with two uplink NICs teamed as active/active with a load-balan However, while I can ssh & ping from my laptop to either switch successfully, either switch cannot ping the laptop, and won't even ping themselves ('no route to host'), even when I take the NetGear out of the mix and plug them into the laptop, or each other. 254). txt file but times out transferring the body and leaves a zero byte file. A vPC can provide Layer 2 multipathing, which allows you to create redundancy by increasing bandwidth Sep 16, 2014 · For Cisco Nexus 3000 Series switches, the maximum size of the IPv6 PBR TCAM can be 512 by carving from other regions. 2 (1), all Cisco Nexus 7000 Series I/O modules support hardware forwarding of IP directed broadcasts. For Cisco Nexus 3100 Series switches, this maximum size can be 512 by carving from other regions. 254 address but from the Nexus Switch i cannot ping the 10. If i run the "show ip route vrf all", i notice that the default vrf has 3 routes and the management one has none. From what I recall, the N5K is only a lay2 device. May 29, 2015 · The Cisco docs do take a little perseverance. May 8, 2016 · The problem I am having is as follows: I am unable to pass traffic through the firewall from inside to outside with the following Drop-reason: (no-route) No route to host When pinging from the firewall I am able to ping outside to 8. 3z loopback Loopback interface mgmt Management Jan 7, 2025 · After deploying a new FTDv 7. Sep 16, 2014 · By default, Cisco NX-OS uses the VRF of the incoming interface to select which routing table to use for a route lookup. 110/21 n3k-02 -> 10. 2/30. Dec 7, 2015 · Result: input-interface: inside input-status: up input-line-status: up Action: drop Drop-reason: (no-route) No route to host So this is my question. 7. 0 (1) addresses a primary requirement for supporting host-based routing to achieve optimal routing and symmetric traffic flow. Time came to save the config to a tftp server and found an odd problem - the nexus can create the . e 10. In rare cases, these locks might not be removed by the features. Mar 5, 2020 · System routing messages for Cisco Nexus 9000 Series switches running Cisco NX-OS Release 9. I see no EVPN routes in BGP. I'm attempting to upload a new IOS and can't get connectivity. Aug 27, 2020 · I got 5 VLANs (10,20,30,40,50), each one is assigned to a single interface which later gonna be connected to a single host with static IP. I thought oh there's a cisco doc that says we just need to go set the static route in the vrf context. Nov 25, 2024 · This document describes different tools available to troubleshoot Nexus products that you can utilize in order to diagnose and fix a problem. The two Nexus switches would not connect otherwise. I have a layer 3 add on module for it, but have not been able to get it to work. Jul 19, 2018 · Can you ping the TFTP server from the switch using the source address of the Management VLAN? Is it possible the device on which the TFTP server resides goes to sleep? "ping: sendto 192. According to the docs (for the 9k, but it should work the same for all Nexus boxes) -- You can specify the next-hop address of a neighboring router that is not directly connected to the router for static routes with remote (nondirectly attached) next-hops. If the nexthop is really no longer reachable, the static route should be pulled from the table. Jun 18, 2015 · The Cisco Nexus 5000 Series switch supports Ethernet, virtual Ethernet, Fibre Channel, virtual Fibre Channel, port channels, SAN port channels, VLANs, and VSANs as SPAN sources. I performed the following for my first vlan. Mar 31, 2022 · For IP host routes, use the show ip arp command to make sure the IP host route is available for the next hop specified in the set ip next-hop command. Config below: ====== vrf context INTERNET ! interface Vlan11 description Routing Vlan for vrf INTERNET no shutdown vrf member INTERNET ip add Nov 6, 2021 · I was trying a python script to send email on cisco nexus 9000 series switch but it says no route to host. 168. I can not even ping from switch to palo alto interface. x, I encountered an issue where, after configuring the Management IP settings (including Device IP, Gateway, and Mask), I couldn’t ping any devices on the network. 63 port 22: No route to host Couldn't read packet: Connection reset by peer it can't find the SFTP site because it needs a way to route to the SFTP server. Default is the equivalent of global routing table and the mgmt0 is in management VRF Are the 5K layer-2 switches only or also layer-3? If you are running them as layer-2 then all you need is default routes towards the 3750 Feb 19, 2017 · I am setting a vrf for the first time on a Nexus switch. 10/24) etc Trunked to FTD 1/1: Gig1/9 = VLANs ( Sep 16, 2014 · By default, Cisco NX-OS uses the VRF of the incoming interface to select which routing table to use for a route lookup. " NAGISNEXUS_2 (config)# show cdp neighbors Capability Codes: R - Router, T - Trans-Bridge, B - Source-Route-Bridge S - Switch, H - Host, I - IGMP, r - Repeater, V - VoIP-Phone, D - Remotely-Managed-Device, s - Supports-STP-Dispute Device-ID Local Intrfce Hldtme Apr 25, 2011 · Not familiar with Nexus line and had a question about setting up the management interface on a Nexus 5010 switch. 0 147. I received a "No Route to Host" error, which was puzzling since the Management IP is on the same Layer 2 ne Mar 12, 2015 · On the nexus cisco plays loose with the ip route statements while its a route statement it is basically just a default gateway statement for a L2 switch . 16. This is my first real jump into configuring a cisco switch from scratch. Currently the peer keepalive links are connected directly N7K1 SUP1 -----------------------SUP1 N7K2 SUP2------------------------SUP2 In case one of the supervisors switch over, the keepalive will be lost. 3(x) Sep 11, 2023 · Route Leaking and Importing Routes from the Default VRF Route Leaking and Importing Routes from the Default VRF Cisco NX-OS supports route leaking (import or export) between VRFs. 0. conf t: ip routing (enables routing) Nov 14, 2014 · With the Nexus, you have to be careful with the built in management port, as it is in a seperate VRF. It says, “no route to host. I have a trunk connection between a 3750 and Nexus 3172T switch. Mar 22, 2016 · I am struggling a bit with a problem in a small data center environment. 2 (3)F, the ECMP resilient hashing is supported on the Cisco Nexus 9300-GX2 platform switches. If a static route has remote next hops Jan 25, 2023 · Cisco Community Technology and Support Networking Routing Why "no route to host", but VPN tunnel troubleshoot shows remote host? Cisco Nexus 9000 Series NX-OS Unicast Routing Configuration Guide, Release 6. For more information about IP addresses and IP routing, see the Cisco Nexus 9000 Series NX-OS Unicast Routing Configuration Guide. Consequently, these configs work on all my other Nexus 9K's. Everything seems to be working with the vPC c Cisco Nexus 5548 First time setup troubles Hey Cisco Peeps, I am trying to setup a Cisco Nexus 5548UP in my home lab. Aug 12, 2021 · See the rollback feature in the Cisco Nexus 9000 Series NX-OS System Management Configuration Guide. 10. But now i have problem with traffic. This is driving my a little nuts. So if that is where the Nexus has the Layer 3 interface to these servers, you just need to specific the VRF when pinging/etc. I hope this helps - thank you! -Christopher May 27, 2022 · The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. 254, i wont be able to access this switch remotely. What I cannot do is ping the client machines that are connected to the Jul 24, 2014 · This chapter describes how to configure DNS on the Cisco Nexus 9000 Series switches. BFD This feature supports bidirectional forwarding detection (BFD). Nov 29, 2021 · I'm trying to do image recovery on a Nexus 3000 series switch via TFTP. Cisco NX-OS features can create internal locks on the startup configuration file. I assume you have a static route from one of the routers connected to frame relay connection going to the router connected behind it. The new host doesn't yet have anything in it ARP cache, so Aug 12, 2021 · Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. I can ping the host from the switch Jul 24, 2014 · Configuring Max-Host Routing Mode (Cisco Nexus 9500 Series Switches Only) By default, Cisco NX-OS programs routes in a hierarchical fashion (with fabric modules configured to be in mode 4 and line card modules configured to be in mode 3), which allows for longest prefix match (LPM) and host scale on the device. 0 0. 3/24 for Dist Oct 26, 2020 · Solved: Got an issue trying to point traffic to a firewall. 150 to eht0/1. Nov 8, 2024 · Hi, Nexus 9K stack configured in vPC, Primary Nexus has a VRF that is getting routes from directly connected network. 1 64 chars, No route to host" I checked the ip route with "show ip route" and nothing is built. Ok, so you understand the difference between the management VRF and default. 2. All of them is switchport mode access: Gig 1/1 = VLAN 10 (IP: 192. Nov 27, 2024 · You can route across VLAN interfaces to provide Layer 3 inter-VLAN routing by configuring a VLAN interface for each VLAN that you want to route traffic to and assigning an IP address on the VLAN interface. As such, host to host communication is not Apr 6, 2024 · Platform Overview Cisco Nexus Dashboard is a central management console for multiple data center fabric and a common platform for hosting Cisco data center operation services, such as Nexus Dashboard Insights and Nexus Dashboard Orchestrator. So then, yes, my setup is routed. 39 Feb 20, 2020 · The source interface VL11 is in the vrf that is used for connection to the AAA servers. You can configure a route policy to modify this behavior and set the VRF that Cisco NX-OS uses for incoming packets. The third device can be a switch, server, or any other networking device. For IPv6 network routes, use the show ipv6 route command to make sure the IPv6 network route is available for the next hop specified in the set ipv6 next-hop command. It works the same way on the L2 N5k's that we use. For demonstration purposes, the Host is configured to ignore ICMP Redirect messages. Connecting Two VLAN Interfaces You can configure VLAN This chapter describes how to configure Layer 3 virtualization on Cisco Nexus 9000 Series switches running Cisco NX-OS Release 9. I have setup vPC on two Nexus 9300 series switches - configured vpc peer keep-alive link, peer link, etd. What vlan host 147. A vPC can provide Layer 2 multipathing, which allows you to create redundancy by increasing bandwidth Nov 15, 2024 · This document describes how to configure VRF Route Leak on Nexus NX-OS based Switches. The switch port on the parent switch must be enabled for fex-fabric mode with the switchport mode fex-fabric command. 0/0 x. I'm trying to test a failure scenario (to be fair I haven't tested the steady state yet) and my spines appear to be eating traffic. x. 20. Reading the Nexus 9000 unicast routing guide (since that's what I'm doing our proof-of-concept on) it states that route leaking to the default VRF is not allowed because it is the global VRF, so what do you do in this case? In this environment, they're currently using EIGRP between the cores & remote sites, FWIW. Jun 25, 2016 · Hi We have 2 x Nexus 7000 switches with dual sups. To reach the DC-2 ESXi Host, the traffic will go through the Border Leaf, the border leaf has a default route to Fortigate Firewall via vlan 609. Aug 29, 2022 · When deploying Cisco Nexus switches, you’ll need some specific information about the network already in place, and you’ll need to make some configuration decisions ahead of time. I understand the keepalive and mgmt can Sep 5, 2023 · When connecting the management ports to Cisco Nexus switches, connectivity problems are seen Unable to ping ONTAP through the switch's command prompt or connect via SSH switch01# ping 10. ECMP Static MAC support on BGP EVPN About VXLAN EVPN with Downstream VNI Cisco NX-OS Release 9. Aug 24, 2010 · FETs are only supported on fex-fabric port connections when connecting a Cisco Nexus 2000 FEX to it's parent Cisco Nexus 5000 switch. Show ip route returns nothing because I can’t ping my default gateway. 9. You should spend some time running the hardware, recording serial numbers and meeting with your team or with the customer. The Firewall has the specific route to reach DC-2 ESXi Host via DC-2 Core Switch via vlan 602. 0 set gw 192. 3, if you cannot open it, I'll send the configs as text Apr 26, 2022 · Beginning with Cisco NX-OS Release 10. That's an easy one! Cisco switches are shipped L2 as default you need to enable routing before the switch will pass traffic between your SVI's. They are both layer 2 devices. 2 (1), auto derived Route-Target for 4-byte ASN is supported. It uses route maps to filter routes distributed across various routing protocols and between different entities within a given routing protocol. 1 boot We would like to show you a description here but the site won’t allow us. Once you get use to it, you don't want to use IOS anymore. I have tried just basic pings and tried ssh'ing from a machine on the same subnet. 10/24) Gig 1/2 = VLAN 20 (IP: 192. Feb 16, 2024 · This document describes how to configure and verify VRF leaking on a VXLAN environment. 3(3) Oct 11, 2024 · This document describes NAT feature on Nexus 9000 switches equipped with a Cisco Cloud-Scale ASIC that runs NX-OS software. NAT is static so it should do it both ways. However, SVI on switch is up and not on other. I have similar config on both 5010's. The NVE source interface is the BGP update source on the iBGP spine-link session. Dec 10, 2013 · Start a conversation Cisco Community Technology and Support Security Network Security no route to host shown in packet tracer - unable to ping gateway Bookmark | Subscribe Sep 11, 2023 · When Cisco NX-OS processes a route or packet through a route map, it compares the route or packet to each of the match statements configured. Sep 2, 2015 · You can route across VLAN interfaces to provide Layer 3 inter-VLAN routing by configuring a VLAN interface for each VLAN that you want to route traffic to and assigning an IP address on the VLAN interface. Nov 15, 2024 · This document describes how to configure VRF Route Leak on Nexus NX-OS based Switches. Also you shoul make sure that mgmt0 on the Nexus has been assigned a valid IP address, subnet mask, and default gateway. 200 is in? Have you configured the vlan, activated and added the physical port to it? Can you post your vlan and physical interface config? also, is the physical Oct 6, 2011 · Start a conversation Cisco Community Technology and Support Networking Routing (113) no route to host Bookmark | Subscribe May 25, 2018 · Hello Experts, I turn my head towards you again seeking inputs to resolve an issue in bringing up a SVI on Nexus 5010 that I want to use for Peer-keepalive. Everything seems to be working with the vPC configuration - status show "up" and "successful". Using these commands: set ip 192. The underlay IGP is OSPF, and NVE host reachability via BGP is configured. @@@@@@@@ A-End @@@@@@@ interface Loopback100 ip address 192. Default is the equivalent of global routing table and the mgmt0 is in management VRF Are the 5K layer-2 switches only or also layer-3? If you are running them as layer-2 then all you need is default routes towards the 3750 Nov 14, 2014 · Consoled into Nexus 5596 and can't SSH or Ping directly attached servers - No route to host Ask Question Asked 11 years ago Modified 10 years, 1 month ago Feb 19, 2017 · I am setting a vrf for the first time on a Nexus switch. . Currently, I have a team of stacked Nexus 5010's connecting to a pair of access swtiches that are providing the connectio Apr 30, 2013 · Hi Alan, The Nexus-OS is pretty cool. External VRF connectivity is supported on Cisco Nexus 9504 and 9508 platform switches with Cisco Nexus 96136YC-R and 9636C-RX line cards. Sep 11, 2023 · The Route Policy Manager provides a route filtering capability in Cisco NX-OS. Cisco Nexus 5500 Troubleshooting Guide - Troubleshooting Security Issues [Cisco Nexus 5000 Series Switches] - Cisco Systems May 8, 2023 · Cisco Nexus 9000 Series NX-OS Unicast Routing Configuration Guide, Release 10. Jun 28, 2011 · In this example, ports 25 and 26 connect to the other Nexus 5000 switch and should be configured as a peer link. My question is the following; We have a few Cisco Catalyst 3750 switches, they are all configured so when a new VLAN is created the routes are created automatically. Jun 16, 2023 · Cisco Community Technology and Support Security Network Security FPR1010 Drop-reason: (no-route) No route to host Bookmark | Subscribe Apr 23, 2025 · LPM Routing Modes By default, Cisco NX-OS programs routes in a hierarchical fashion to allow for the longest prefix match (LPM) on the device. 0/24. Configure Nexus Switch 1 with an IP address of 192. Sep 11, 2023 · By default, Cisco NX-OS programs routes in a hierarchical fashion to allow for the longest prefix match (LPM) on the device. 65. You don't detail the switch model, but you can skip the process on Cisco switches by enabling portfast. Jul 24, 2014 · See the rollback feature in the Cisco Nexus 9000 Series NX-OS System Management Configuration Guide. Apr 29, 2013 · Hi everybody, We have a couple of Nexus 7010's split into Core and Distribution VDCs. Can you tell me the exact command for that matter. Sep 13, 2022 · fairly new to Nexus and working on a 5596, learning my way around nicely. switch2# show cdp neighbor Capability Codes: R - Router, T - Trans-Bridge, B - Source-Route-Bridge S - Switch, H - Host, I - IGMP, r - Repeater, Troubleshooting Virtual Port Channel Issues A virtual port channel (vPC) allows links that are physically connected to two different Cisco Nexus 5000 Series switches to appear as a single port channel to a third device. I did change it to use vrf management but that vrf does not have a route to vl11. Also consider your opsec on the types of devices you list in your diagram. 1/24 for admin, 10. 0/8 192. 2 name PUBLIC_VRF router ospf 11 Dec 31, 2019 · Hello, there are numerous issues with your network: 1. I drew a visual representation of the problem down below. 14. The weird part is, ALL portchannels on ALL THREE switches are up. The new host doesn't yet have anything in it ARP cache, so Put a route on the Nexus, or check routing all the way through. I am fairly new to NX-OS please bear with me. Feb 24, 2021 · No VPC, no anycast SVI. Configuring the System Routing Mode - Explore how to use NX-API REST API with the Cisco Nexus 3000 and 9000 Series switches Oct 18, 2021 · The each aggregate interfaces has connected to 2 cisco stack switches. Why is that way? I know route aims Null0 interface, but NAT should define egress interface ("srv-mng") and it does. 2/24 for Core and 10. Feb 1, 2023 · Platform Overview Cisco Nexus Dashboard is a central management console for multiple data center sites and a common platform for hosting Cisco data center operation services, such as Nexus Dashboard Insights and Nexus Dashboard Orchestrator. SUMMARY STEPS 1. So i configured an ip address on vlan 1 n3k-01 -> 10. fnlys ggvxnr eaj fjijh etbwwiti whiod mysff ytejfr zqcwo qcqemh suf dosat sxvc uyzl hlo