Customers Also Viewed These Support Documents. This example shows how to display the traffic engineering head end information: To display the Multiprotocol Label Switching (MPLS) virtual routing and forwarding (VRF) instance, use the show mpls switching vrf command. Use the show mpls traffic-eng lsp attributes command to view the LSP attribute lists configured on the switch. GRE Tunnel Configuration. ipv4 show ip rsvp neighbor [ip-address] [detail]. PDF - Complete Book (5.64 MB) PDF - This Chapter (1.03 . Specifies the misses required to trigger a state timeout. Up/up - This implies that the tunnel is fully functional and passes traffic. For mGRE tunnel interfaces, since there is no fixed tunnel destination, some of the previous checks for P2P tunnels are not applicable. show ip rsvp internal [counters | event-history | mem-stat | pss]. encap The range is from 0 to 65503. First of all, the tunnel actual bandwidth is tied to the physical interface. Specifies the detailed echo packet statistics. This is primarily to give EIGRP more capacity to send its updates. Down - The VPN tunnel is down. (Optional) Displays the detailed information. The range is from 0 to 4294967295. The maximum size is alphanumeric 32 characters. Configures GRE-over-IPv4 encapsulation for the tunnel interface. Router(config)#int tun 1000Router(config-if)#tunnel bandwidth receive ?% Unrecognized commandRouter(config-if)#tunnel bandwidth receive ^% Invalid input detected at '^' marker. (Optional) Destination port value. You can use the bandwidth command in interface configuration mode of the tunnel to change this default value to something that better reflects your operational environment. VRF name. The supported range is from 1000 through 64000. This example shows how to display the per VRF information: To display the autorouted tunnel destination information, use the show mpls traffic-eng autoroute. show ip rsvp session [destination ip-address]. Copy your configuration to a TFTP server. (Optional) Displays the advertisement prefix list. decap This example shows how to display information about interfaces that are associated with a VRF: 2022 Cisco and/or its affiliates. In order to better understand how GRE tunnel keepalives work, refer to GRE Tunnel Keepalives. Displays the link management traffic engineering interfaces. Another useful vpn show command is: show vpn-sessiondb detail l2l. Starting with Cisco IOS XR Release 6.6.25, all commands applicable for the Cisco NCS 5500 Series Router are also supported on the Cisco NCS 560 Series Routers.. show ip pim mdt send [detail] [vrf {vrf-name | all }]. (Optional) Displays the traffic engineering interface (TE). When I am configuring a router that will run EIGRP over GRE tunnels I do routinely configure a bandwidth for the tunnel. This is needed because once the configuration is sent to the TFTP server, the pre-shared key appears as clear text (instead of ***** , as in the show run command). (do not attempt to configure tunnel bandwidth or tunnel transmit bandwidth parameters). Displays detailed information about the interface. mpls This example shows how to display the startup configuration for TE: Displays the configuration status of the Multiprotocol Label Switching (MPLS) traffic engineering (TE) on the device. This example shows how to display RSVP hello instance information: To display Resource Reservation Protocol (RSVP) interface information, use the show ip rsvp interface command. This example shows how to display the encapsulation table in the MRIB: Displays the details of the unicast routing tables. Destination port value. The configured bandwidth is used to calculate the per cent busy of an interface and so may impact some Network Management reporting. show mpls interfaces {detail | ethernet slot/port subinterface statistics | internal | loopback virtual interface number statistics | port-channel port channel number sub interface statistics | tunnel-te TE interface number statistics}. The show interface tunnel command displays the tunnel information with supported fields. This example shows how to display the data MDT advertisements that this specified router has received: To display the Protocol Independent Multicast (PIM) data multicast distribution tree (MDT) join send information, use the show ip pim mdt send command. (Optional) Displays neighbor password information. (MPLS) traffic engineering (TE) topology information. This example shows how to display the forwarding adjacency tunnel destination information: To display the Multiprotocol Label Switching (MPLS) traffic engineering (TE) high availability. Terms of service Privacy policy Editorial independence. Cisco IOS XR Software Release 7.0.1 specific updates are not applicable for the following variants of Cisco NCS 540 Series Routers: This module describes the command line interface (CLI) commands for configuring GRE tunnel interfaces on the Cisco NCS 5500 Series RoutersCisco NCS 540 Series Routers. To display the link management information, use the show mpls traffic-eng link management command. The interface that anchors the tunnel source is down. The range is from 0 to 4095. This causes data packets that go through the GRE tunnel to be "black holed", even though an alternate route that uses PBR or a floating static route via another interface is potentially available. This example shows how to display the RSVP signalling rate limit parameters: To display the Resource Reservation Protocol (RSVP) signalling refresh information, use the show ip rsvp signalling refresh command. This example shows how to verify the RSVP interface: To display internal counters, event history buffers, memory statistics or persistent store Resource. (Optional) Destination IP address for the autorouted tunnels. Learn more about how Cisco is using Inclusive Language. (Optional) Specifies the interface RSVP packet counters. This command has no arguments or keywords. 2nd, When you do 'show interface tunnel x', there will be 2 bandwidth. Cisco Network Convergence System 5500 Series, hw-module profile gue udp-dest-port ipv4 ipv6 mpls . Reset/down - This is usually a transient state when the tunnel is reset by software. Displays the topology based on the Interior Gateway Protocol (IGP) ID. No specific guidelines impact the use of this command. This example shows how to display the detailed RSVP reservation status: To display the Resource Reservation Protocol (RSVP) path status, use the show ip rsvp sender command. slack webhook curl. show mpls switching labels [label 1 label 2] detail vrf vrf name vrf vrf name}. In Router 0, we will create the Tunnel interface and then give this interface an IP Address. . Displays the multicast distribution tree. Chapter Title. show startup-config mpls traffic-eng [all]. Feature History for Configuring Tunnel Interfaces on Cisco IOS XR Software Release . This example shows how to display MPLS traffic engineering (TE) fast reroute information: This example shows how to display the LSPs that are protected by FRR: To display multicast virtual private network (MVPN) multicast distribution tree (MDT) Subaddress Family Identifier SAFI information, use the show mvpn bgp mdt-safi command. Use the following commands to verify the state of the VPN tunnel: show crypto isakmp sa - should show a state of QM_IDLE. Specifically, if the line protocol for an interface is changed to down, then any static routes that point out that interface are removed from the routing table. Command: show version. MTU 1514 bytes, BW 9 Kbit, DLY 500000 usec, ------- this 9 Kbit is the default setting for tunnel interface, you can change it using bandwidth command. A valid tunnel destination is one which is routable. ** - Found in IKE phase I aggressive mode. (Optional) Displays the information for all VRFs. Show crypto isakmp sa. But the configured bandwidth does not have any impact on the VPN traffic being sent through the tunnel. tunnel source { ipv4-address | interface-type interface-number }, no tunnel source { ipv4-address | interface-type interface-number }. So, will discuss these commands in bit detail. The range is from 0 to 2147483647. The range is from 1 to 4096. Look for the LSP's output interface in the protects field list. Distribution Protocol (LDP) peers with which session setup attempts are being throttled, use the show mpls ldp backoff command. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Displays the topology based on the IS-IS IGP ID. The documentation set for this product strives to use bias-free language. View with Adobe Reader on a variety of devices, View in various apps on iPhone, iPad, Android, Sony Reader, or Windows Phone, View on Kindle device or Kindle app on multiple devices, The tunnel source interface is in a down state, DMVPN Tunnel Health Monitoring and Recovery Configuration Guide, RFC 1701, Generic Router Encapsulation (GRE), RFC 2890, Key and Sequence Number Extensions to GRE, Generic Routing Encapsulation (GRE) Tunnel Keepalive, Technical Support & Documentation - Cisco Systems. The following example shows how you can configure an IPv4 address with subnet mask as the tunnel destination for an IP-in-IP 2022 Cisco and/or its affiliates. This document describes the different conditions that can affect the state of a Generic Routing Encapsulation (GRE) tunnel interface. Cisco IOS XE Software, Version 16.09.05. To display if fast reroute backup protection is provided by the tunnels, use the show mpls traffic-eng. You want to check the status of a tunnel. This example shows how to display the running configuration for the tunnel interface: To display information about the Intermediate System-to-Intermediate System (IS-IS) configuration, use the show running-config isis command. Displays the restricted output to an Intermediate System-to-System (IS-IS) level 2. (Optional) Displays the locally assigned label values. This example shows how to display the MPLS MVPN MDT SAFI information: To display the Multiprotocol Label Switching (MPLS) multicast virtual private network (MVPN) multicast distribution tree (MDT) encapsulation information, use the show mvpn mdt encap vrf command. After this event we've tried unsuccessfully to get Cisco to ammend the documents. References to earlier releases in Command History tables apply to only the Cisco There are four possible states in which a GRE tunnel interface can be: When a tunnel interface is first created and no other configuration is applied to it, the interface is not shut by default: In this state, the interface is always up/down: This is because the interface is administratively enabled, but since it does not have a tunnel source or a tunnel destination, the line protocol is down. This example shows how to display the autorouted tunnel destination information: Displays the forwarding adjacency tunnel destination information. Look for the LSP's next-hop NHOP or NNHOP in the Dest field. ipv6 (Optional) Specifies the path based on a source IP address. Configures generic packet tunneling over IPv4 encapsulation for the tunnel interface. *** - Found in IKE phase II . The following example shows the same . Instance tag that is a case-sensitive, alphanumeric string up to 20 characters. In this tutorial, I will explain how to use the 'show' command with the regular expression. Please see show tunnel statistics. Admin#conf tAdmin(config)#int tunnel100Admin(config-if)#tunnel bandwidth transmit 10000 ^% Invalid input detected at '^' marker. Displays the startup configuration with defaults. tunnel The show license udi command displays the complete UDI of the router to which any license is associated. HQ#show interfaces tunnel 1 Tunnel1 is up, line protocol is up Hardware is Tunnel Internet address is 192.168.13.1/24 MTU 1514 bytes, BW 9 Kbit, DLY . To display virtual routing and forwarding (VRF) startup system information, use the show startup-config vrf command. In this example, a misconfigured ipc zone default configuration causes redundancy to be in the NEGOTIATION state and keeps such tunnel interfaces in a down state: In addition to the reasons previously outlined, the tunnel line state evaluation for the tunnel down reason can be seen with the show tunnel interface tunnel x hidden command as shown here: Note: There is an open enhancement to make the tunnel down reason more explicit in order to indicate that it is due to the redundancy state because it is notactive. show interfaces switchport. | 2022, OReilly Media, Inc. All trademarks and registered trademarks appearing on oreilly.com are the property of their respective owners. The following is a list of the most common IOS commands associated with questions from the CCNA exam. Below some examples: To check exactly an IP address use the backslash (\) before the dot (.) (Optional) Displays the neighbor's IP address. It can be very useful at troubleshooting connectivity issues and physical port issues, check the status of physical ports, watch how much traffic is passing through the interface, which IP address is assigned to the interface (for Layer3 . This example shows how to display the IPv4 aggregate-related information for a VRF instance: To display the IPv6 aggregate-related information, use the show mpls switching aggregate ipv6 command. (Optional) Displays the summary information. The range is from 0 to 1023. The bandwidth of an LSP is defined by the line bandwidth at the headend of the LSP. 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. This example shows how to display RSVP neighbor information: To display detailed Resource Reservation Protocol (RSVP) reservations, use the show ip rsvp reservation command. group associated with a task group that includes the proper task IDs for crypto commands. 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