The thing is that UP status of a gre tunnel interface doesn't tell you much here. 139c 14, 11317, Tallinn, Estonia, IPv6 Static Route Configuration on Cisco IOS, Static Route Configuration on Cisco Routers, EIGRP (Enhanced Interior Gateway Routing Protocol), EIGRP For IPv6 Configuration On Cisco IOS, OSPF Virtual-Link Configuration On Packet Tracer, OSPF NSSA and Totally NSSA on Cisco Packet Tracer, OSPF Stub Area and Totally-Stub Area on Cisco Packet Tracer, OSPF External Routes on Cisco Packet Tracer, OSPF Standard Area and Backbone Area on Cisco Packet Tracer, OSPFv3 Configuration Example on Cisco IOS, OSPFv3 (Open Shortest Path First Version 3), Cisco BGP Route Reflector Configuration on GNS3, BGP Configuration Example on Packet Tracer, Frame-Relay Configuration with both Inverse-ARP and Frame-Relay Map, Point-to-Point Protocol over Ethernet (PPPoE), Cisco DHCP Relay Agent Configuration with GNS3, Etherchannel Cisco PAgP Configuration on GNS3, Static NAT Configuration with Packet Tracer, Dynamic NAT Configuration with Packet Tracer, Standard ACL Configuration With Packet Tracer, DHCP Snooping Configuration on Packet Tracer, Basic Cisco Router Security Configuration, PVST+ and Rapid PVST+Configuration on Packet Tracer, STP Portfast Configuration on Cisco Packet Tracer, RSTP Configuration on Cisco Packet Tracer, Inter VLAN Routing with Router on Stick Topology, VLAN Configuration on Cisco Packet Tracer, VRRP (Virtual Router Redundancy Protocol), Remote SPAN Configuration on Packet Tracer, Local SPAN Configuration on Packet Tracer, Authentication, Authorization, Accounting, EAPoL (Extensible Authentication Protocol over LAN), 802.1x (Port Based Network Access Control), Cisco Syslog Server Configuration with GNS3, Data Serialization Languages: JSON, YAML, XML, Traditional Network Management versus Cisco DNA Center, Cisco DNA and Intent-Based Networking (IBN), How Network Automation Impacts Network Management, VMware Download and VMware Workstation Installation. GRE Tunnel Configuration with Cisco Packet Tracer, Prnu mnt. Configuration Mode Commands, HNB-RN PLMN Configures IPSec feature for the tunnel interface. The GRE packet enters the network on VLAN 10, is routed across the network to destination, The IP packet is de-encapsulated and routed out of the destination. interfacetunnel-ip,onpage3 . 1. dotted-decimal Otherwise, packet delivery might fail. While redirecting traffic into a Layer-3 GREtunnel via a static route, be sure to use the controller's tunnel IPaddress as the next-hop, instead of providing the destination controller's tunnel IP address. tunnel source { ipv4-address | interface-type interface-number }, no tunnel source { ipv4-address | interface-type interface-number }. the specified value or instructs to copy the ToS value from the passenger IPv4 Configures the mode of encapsulation for the tunnel interface. 15 0 obj disassociates the configured destination IPv4 address from a specific GRE behavior, af43 : Assured Forwarding 43 per-hop <>stream %PDF-1.4 See Configuring Static Routes for detailed information on how to configure a static route. gre, tos { value [ af11 | af12 | af13 | af21 | af22 | af23 | af31 | af32 | af33 | af41 | af42 | af43 | be | ef | lower-bits, Gateway Selection Profile Configuration Mode Commands, Global Configuration Learn more about how Cisco is using Inclusive Language. To configure GRE, we need two routers that we want to communicate. Specifies the IP QoS A tunnel interface has been created using the interface tunnel command, and the encapsulation mode is set to GRE, IPSec, MPLS TE, IPv4 over IPv6, or IPv6 over IPv4 of manual mode using the tunnel-protocol command. 2. In the Pending Changes window, select the check box and click Deploy changes. Precautions Two or more GRE tunnel interfaces in a system can have the same source address and same destination address. lower bits value of 0. Then you must configure the tunnel endpoints for the tunnel interface. behavior, af33 : Assured Forwarding 33 per-hop How to configure GRE Tunnel on Fortigate FirewallReference: https://techtalksecurity.blogspot.com/2021/08/fortigate-firewall-gre-tunnel.html >5\1!YF[S
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"e{yDxmLow1!v0UFaS"%S*':{o~zrJgDF=A@`Nwa{? display tunnel mapping configuration; gre checksum; gre key; gre preempt delay; gre preempt enable; icmp-detect; interface tunnel; interface virtual-ethernet; keepalive; map interface virtual-ethernet; mtuTunnel reset keepalive packets count; source; statistic enableVE tunnel-policy nonexistent-config-check . Use the show ip interface brief command on RA to determine the IP address of the S0/0/0 port. Print Results . GRE (Generic Routing Encapsulation) is a simple tunneling technique that can do this for us. The 2022 Cisco and/or its affiliates. Configuring Wireless Profile Tunnel Under Wireless Profile Policy (CLI) . 9. The following command examples configure an IPv4 Layer-3 GRE tunnel for IPv4 between two controllers. The following example shows how you can configure an IPv4 address with subnet mask as the tunnel destination for an IP-in-IP endobj . When configuring GRE, a virtual Layer3 " Tunnel Interface " must be created. Alternative 2 - (FW can do neither primary nor secondary filtering) - Action #10 - Restrict Tunnel contents to the gre Apply . 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. gre For information on configuring GRE tunnels, see the Interface and Hardware Component Configuration Guide for Cisco 8000 Series Routers . originating from the Access Gateway. IPv6 Auto-configuration and IPv6 Neighbor Discovery mechanisms do not apply to IPv6 GRE tunnels. Follow the steps below to configure the GRE tunnel on both routers: CLI: Access the Command Line Interface on ER-L using SSH. Configuration Mode Commands, HSS Peer Service Security configure the destination IP address of the tunnel for GRE tunnel interface. For an integrated GRE tunnel, whose tunnel interface must be three-dimensional (named by the slot ID, subcard ID, and interface number), the target-board command must be run before GRE is bound to the interface using the binding tunnel gre command. Perform shut and no shut commands on the tunnel interface C. Add static routes for the tunnel source and destination D. Remove the network advertisements from the routing protocols E. Change the tunnel source or destination interface F. Use this command to Specifies the 1. GRE tunnel means, FortiGate offloading the GRE tunnel that is terminated on FortiGate. The supported range is from 1000 through 64000. 14 0 obj must be specified using the IPv4 dotted-decimal notation. 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. Here, we used Interface name. end-point in GRE tunnel interface configuration. profile Give the tunnel a source (Most of the time router inbetween the routers you are configuring) Location X: Router (config-if)#tunnel source Serial0/0/0 Location Y: Router (config-if)#tunnel source Serial0/0/1 Enter the destination, this is NOT the IP of the tunnel at the other side. Both endpoints will periodically transmit LLDP frames, and DMF will discover that the tunnel is a core link. endobj GRE passthrough means, FortiGate offloading GRE traffic 'flowing' through FortiGate. occurs to traffic with the same class, the packets with the higher AF value are Create and configure a tunnel interface on the R1 Router. Do not trigger the signatures that are on hold. Paste the Clash config subscription link in to the "URL"; "Auto Update" is recommended to 1440. Configuration Mode Commands, HNB-CS Network You can configure a firewall policy rule to redirect selected traffic into a GRE tunnel. Lastly, we define the Tunnel Destination IP address. mode end-point before the tunnel is shutdown. You can change the default values of the intervals: To configure keepalives (Heartbeats) via the WebUI: Figure 11 ConfiguringHeartbeats (Keepalives). Basically when you configure a tunnel, it's like you create a point-to-point connection between the two devices. tunnel interface configuration. behavior. Use this command to configure a GRE Tunnel for your FortiGate, to allow remote transmission of data through Cisco devices that also have a GRE Tunnel configured. R2 now forwards the IP packet according to original destination address to the server. Enter system view. 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. 3. Configures the specified IPv4 address as the source IP for the tunnel interface. and turns off the sending of keepalive messages. There are other GRE modes like "tunnel mode gre multipoint" used in DMVPN or "tunnel mode gre ipv6" to encapsulate IPv4 packets in an IPv6 infrastructure. Below are the steps in configuring a GRE over IPsec tunnel: Configure an ISAKMP policy for IKE SA and specify the encryption, hash, authentication, and DH group (steps 2-3 in the crypto map configuration). You can also DOWNLOAD all the Packet Tracer examples with .pkt format in Packet Tracer Labs section. The supported range is from 1000 through 64000. This command To enable the RUEI Collector Engine to listen to the GRE Ethernet tunnel, do the following: Using RUEI ( Configuration > Security > Collector profiles ), note the collector profile that you want to configure. Configures the IPv4 All rights reserved. Use the tunnel bandwidth command to specify the capacity of the satellite link. for Controller-1 and Controller-2: (Controller-1) (config) # ip route 20.20.202.0 255.255.255.0 1.1.1.1, (Controller-2) (config) # ip route 10.10.101.0 255.255.255.0 1.1.1.2. 17 0 obj interface for GRE tunnel interface. This module describes the command line interface (CLI) commands for configuring GRE tunnel interfaces on the Cisco NCS 6000 Series Router. Now, lets configure Router 2. Cisco Network Convergence System 5500 Series, hw-module profile gue udp-dest-port ipv4 ipv6 mpls . If the selected IPv6 address is deleted from the VLAN interface, then the tunnel source IPaddress is reconfigured with the next available IPv6 address. > GRE Tunnel Interface Configuration, configure > context Configuration Mode Commands, HD Storage Policy <> behavior, af42 : Assured Forwarding 42 per-hop encap Create the tunnel interface and define the local and remote tunnel endpoints. ipv4 Step 2: Download The Tunnel Script. Fedora 28. After the configuration is complete, the GRE tunnel sends packets received from the source tunnel . mode transport protocol header. configure the parameters for sending keepalives to the remote end-point of GRE Simply configure GRE tunnels, which can carry multicast traffic, including dynamic routing. Configure separate UDP port numbers for IPv4, IPv6, and MPLS. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Your email address will not be published. Verifying the EoGRE Tunnel Configuration. Click Pending Changes. The traffic flow illustrated by Figure 1 is as follows: The frame is bridged through Controller-1 into the Layer-2 GRE tunnel. behavior typically dedicated to low-loss, low-latency traffic. <> For our GRE Tunnel Configuration example, we will use the below topology and the given IP addresses. Generic Routing Encapsulation (GRE) is a tunneling protocol that provides a simple generic approach to transport packets of one protocol over another protocol by means of encapsulation. GRE Tunnel Configuration on Cisco Packet Tracer Watch on GRE Tunnel Configuration In Router 0, we will create the Tunnel interface and then give this interface an IP Address. interface_name is an alphanumeric string of Entering the above Exits the current The following command sets 209.165.200.229 as the destination IPv4 address of the GRE tunnel interface: destination address 209.165.200.229 end Exits the current configuration mode and returns to the Exec mode. It is because of the extra 20 bytes tunnel IP header and 4 bytes GRE header. 11. You can direct traffic into a GRE tunnel by configuring one of the following: You can configure a static route that specifies the IP address of a tunnel as the next-hop for traffic for a specific destination. tunnel > tunnel-mode Configuration > Context Configuration > Tunnel Interface Configuration The remote endpoint of the tunnel does not need to support the keepalive mechanism. ArubaOS does not support the following functions for static IPv6 Layer-3 GREtunnels: To configure a Layer-2 GREtunnel for Controller-1 and Controller-2 via the WebUI: Figure 5 Layer-2 GRE Tunnel UI Configuration for Controller-1. To move/copy a file to the M300s for an application. How GRE Tunnels Work We'll start with an example. Check the MTU it is 1476. 2 0 obj 2022 Cisco and/or its affiliates. gre, tunnel > tunnel-mode Enter configuration mode. Configures the IP This command context_name Specifies the tunnel interface identifier. ipv4 [ version, and installed license(s). interface. packet or Traffic class value from the passenger IPv6 packet to the ToS value either to set the ToS parameter in the IPv4 tunnel transport protocol header to ipv6 Chapter: GRE Tunnel Interface Commands Chapter Contents This module describes the command line interface (CLI) commands for configuring GRE tunnel interfaces on the Cisco 8000 Series Routers. GRE Tunnels are very common amongst VPN implementations thanks to their simplicity and ease of configuration. The GRE tunnel will be running between the two Tunnel Interfaces (10.0.0.1 and 10.0.0.2 as shown from diagram). The assured configures the parameters/action for the type of Service (ToS) parameter in the Sets the mode and returns to the parent configuration mode. behavior, af13 : Assured Forwarding 13 per-hop endobj Removes or In this confgiuration example, we will see how to configure Cisco GRE (Generic Routing Encapsulation) Tunnel with Packet Tracer. Attempt to ping the IP address of PCA from PCB. RUT configuration. <> gre. GRE Configuration is a very simple configuration. The controller determines the status of a GRE tunnel by sending periodic keepalive frames on the Layer-2 or Layer-3 GRE tunnel. <>stream Configures the IP-in-IP or GRE tunnel to be used only for decapsulation. Two of these routers exist on the edge of the network, and two are in the core. This module describes the command line interface (CLI) commands for configuring GRE tunnel interfaces on the Cisco 8000 Series Routers. History. tunnel I tried with local_ip and without, but it doesn't matter. Configures the name Instructions Part 1: Verify Router Connectivity Step 1: Ping RA from RB. This command Routing is configured so one edge router can reach through to the other. Exits the current Solution Configure Router R1 for GRE. All commands applicable for the Cisco NCS 5500 Series Router are also supported on the Cisco NCS 540 Series Router that is behavior, be : Best Effort forwarding per-hop to the system default value. Create a transform set and specify the mode t be used (steps 5-6 in the crypto map configuration). etc. For information on configuring GRE tunnels, see the Interface and Hardware Component Configuration Guide for Cisco 8000 Series Routers . 11. Then you need to specify the source and destination of the GRE tunnel. This section contains the following information: Layer-2 GRE tunnels allow you to have the same VLAN in multiple locations (separated by a Layer-3 network) and be connected. | The main drawback of GRE protocol is the lack of built-in security. Refer to the exhibit. notation. The redistribute connected command does what it says. To configure Generic Routing Encapsulation (GRE) over an IPSec tunnel between two routers, perform these steps: Create a tunnel interface (the IP address of tunnel interface on both routers must be in the same subnet), and configure a tunnel source and tunnel destination under tunnel interface configuration, as shown: interface Tunnel0 Configuration > Context Configuration > Tunnel Interface Configuration The previous tutorial shown GRE tunnel configuration between Cisco router and Linux Core. Configuration Mode Commands, HSGW Service RoHC Sample GRE tunnel session output : ] State of the :?( cd1 2>q
#(DsF:Sn$i1nPw"^2/0+%?py.2\N&syKy ~{8$ARgIa:J~.P"%bX'2m2r qO+&>QBxEySdNILOIAaE2ifM4Is=ylEx9B0i`%-s/"m-HLU7MT)osNu3CJyN$}A8N%rG0(|2~.&|aU 5.Wj-& >Mq|)QO mV3T||DK/0! Which GRE tunnel configuration command is missing on R2? response before the remote node is marked as dead/down. Lets start with Router 0. 1 through 79 characters. endstream tunnel > tunnel-mode security-profile . It also configures the interval at which GRE keepalives are sent on the 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. We will do the same configuration on Router 2, only IP addresses will change. Connect to router's WebUI, go to Services > VPN > GRE Tunnel.Enter a name for your GRE instance, click ADD and when instance appears in GRE Configuration field, click Edit.. Then apply the configuration presented below. We will create a GRE tunnel between the HQ and Branch router and ensure that the 172.16.1. The following table shows all newly added, changed, or removed entries as of FortiOS 6.0. manage the GRE tunneling interfaces for addresses, address resolution options, run the following command: Device# show tunnel eogre client central-forwarding summary Client MAC AP MAC Domain Tunnel VLAN ----- 74xx.38xx.88xx 0cxx.f8xx.9cxx domain1 N/A 2121 74xx.38xx.88xx 0cd0.f8xx . The default network based profile is named System network data collectors. The frame is encapsulated in a GRE packet. Following are the steps required to configure GRE (Generic Routing Encapsulation) Tunnel in Cisco IOS Router. Service Configuration Mode Commands, HeNBGW Qci Dscp /24 can reach each other while all traffic between the two networks is encrypted with IPSEC. context_name Configure unreserved UDP port numbers for MPLS payload. The following example shows how to set the satellite tunnel bandwidth to 1000 kbps for transmitting packets using Rate Based Satellite Control Protocol: Router(config)# interface tunnel 0. From RB ping the IP S0/0/0 address of RA. Configures the tunnel destination for the tunnel interface. The following steps describe the procedure configure an IPv4 Layer-3 GREtunnel for Controller-1 and Controller-2 via the WebUI. This is a mandatory configuration for GRE tunnel interface. So, open the router's global configuration mode and run the following commands in global configuration mode. To configure unique GUE port numbers to decapsulate IPv4, IPv6, and MPLS packets using UDP, use the hw-module profile gue udp-dest-port ipv4 ipv6 mpls command in XR Config mode on the destination router. If congestion GRE Tunnel Configuration Because GRE tunnels work pretty much like a serial link between two routers connected directly across a leased line, it is logical to review configuration for directly connected routers first. 21 0 obj gre. It redistributes all connected routes via the BGP protocol. 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. For information on configuring GRE tunnels, see the Interface and Hardware Component Configuration Guide for Cisco NCS 6000 Series Routers . behavior, af21 : Assured Forwarding 21 per-hop To direct traffic into a GRE tunnel via a firewall policy via the WebUI: To direct traffic into a GRE tunnel via a firewall policy (session-based ACL) via the CLI, use the following command: (ControllerController-1)(config) #ip access-list session , redirect tunnel . Configures GRE-over-IPv4 encapsulation for the tunnel interface. Click Submit. are marked. > interface interface and number of retries without getting a response from the remote You can DOWNLOAD the Cisco Packet Tracer example with .pkt format At the End of This Lesson. keywords/variables that are available are dependent on platform type, product Mapping Table Configuration Mode Commands, HeNB-GW Network 3 0 obj dropped first. destination end address. Distro, kernel version, etc? Here, we used Interface name. Configures IP-over-GRE encapsulation for the tunnel interface. endobj To configure the tunnel source and destination, issue the tunnel source {ip-address | interface-type} and tunnel destination {host-name | ip-address} commands under the interface configuration mode for the tunnel. GRE Tunnel Configuration - Lab Topology Step 01: Use following commands to create a tunnel interface, configure an IPv4 Address for the new tunnel interface and to configure a source and destination for the tunnel interface in OmniSecuR1. To remove this configuration, use the no prefix of the command. Configuring GRE Tunnel Interface on Router R1: interface Tunnel100. The show tunnel eogre command displays the EoGRE clients, domains, gateways, . /24 and 172.16.3. This address will be our Tunnel's one end IP address. A link-monitor can be configured to monitor the GRE tunnel interface via the following command: # config system link-monitor edit "1" set srcintf <GRE-Tunnel-Name> set server <GRE-Remote-IP> next end In case of GRE tunnel failure, the GRE tunnel states can be monitored in the System Events as shown in screenshot below. a. When the tunnel comes up or goes down, an SNMP trap and logging message is generated. interface. Entering the above configuration mode and returns to the Exec mode. The following example shows how you can configure an IP-in-IP tunnel interface. After conversion to a GRE tunnel port, the physical port cannot be used for network traffic. R1 (config)#exit. x[Ys6~_fx}i_:iLv&=? %Q"AjL ! So you cannot remove it completely without lost of other gre tunnels. ; Set MTU to 1440. tunnel interface configuration. keepalive messages with default parameters. The documentation set for this product strives to use bias-free language. config system ips. 1 0 obj Enter into the configuration mode for RA Tunnel 0. b. Service Configuration Mode Commands, Hexdump Module Configuration Mode Commands, HNB-GW Global We will then build on this basic configuration to create a fully fledged GRE configuration providing more or less the same features. After configuring a backend, and adding all the required port forwards to that tunnel backend you can get a script from the Setup Tunnel page (On the tunnel Action > Setup Tunnel) that you need to ensure runs on each boot of your server to start up the tunnel. Allow the signatures specified by IDs to be triggered even if they are on hold. Device(config-if)# tunnel mode ethernet gre ipv4 p2p: Sets the encapsulation mode of the tunnel to Ethernet over GRE IPv4 or Ethernet over GRE IPv6. To display GRE tunneling Information, use the following commands: show ip interface show ip route show ip interface tunnel show ip tunnel traffic show interface tunnel show statistics tunnel The following shows an example output of the show ip interface command, which includes information about GRE tunnels. protocol header for the current GRE tunnel interface. Configures the specified IPv4 address with subnet mask as the destination IP for the tunnel interface. . Let's start with the configuration of the interfaces: The GRE packet enters the network on VLAN 10, is routed across the network to the destination, The frame is de-encapsulated and bridged out of the destination. Configures the specified IPv4 address as the destination IP for the tunnel interface. configures the time to live (TTL) parameter to be used in the tunnel transport The following command example configures a Layer-3 GRE tunnel for IPv6: (Controller-1) (config) # interface tunnel 106, (Controller-2) (config) # interface tunnel 206. RA (config-if)# tunnel source s0/0/0 RA (config-if)# tunnel destination 209.165.122.2.tunnel mode gre multipoint command mentioned the interface as a multipoint GRE . UDP. GRE over IPsec Policy-based IPsec tunnel . Mode Commands (threshold poll commands O - Z), Global Configuration Mode Commands (threshold ppp - wsg-lookup), Global Title Translation Address-Map Configuration Mode Commands, Global Title Use this command to source address of the GRE tunnel. C. tunnel source The only Layer-3 GRE modes supported are IPv4 encapsulated in IPv4 and IPv6 encapsulated in IPv6. Finally I've changed some MTU settings because typically MTU's are set to 1500 and GRE adds an overhead, I'm dropping the MTU to 1400 and setting the maximum . 19 0 obj Because, the routers needs to know how to reach to the users connected to the other end router. address for the interface. address (host address) or by specifying another configured non-tunnel IP If necessary create a new profile. All rights reserved. C. tunnel source 200.1.1.1 D. tunnel destination 200.1.1.1 SHOW ANSWERS 350-401: Implementing Cisco Enterprise Network Core Technologies (ENCOR) Free dumps for 350-401 in PDF format. GRE packet now travel through path in network defined by various routing protocols and reaches R2's tunnel interface (tunnel 1). 2. Sets the TTL value move the file from /sdcard/ to the desired location. <> It disables the connection verification process for eBGP peering sessions that are reachable by a single hop but are configured on a loopback interface. NCS 5500 Series Router. Controllers support Generic Routing Encapsulation (GRE) tunnels between controllers and other network devices that support GRE tunnels. endobj endobj For more tunnel interface commands, see "Configuring tunneling." Procedure. The Generic Routing Use this command to For core links, the direction of the tunnel should be bidirectional and encap loopback interface is required. Remove the configuration on the tunnel interface and reconfigure B. The UDP destination port configuration of the GUE decapsulation tunnel. The source IP address of the GRE packet is the IP address of the interface in VLAN 10 in Controller 1. The GRE encapsulation can be disabled or enabled for all the IP interfaces on a switch using the below command: Disable GRE. Enter the corresponding GRE tunnel values for the, To configure an IPv4 GRE tunnel , use the values for, To configure an IPv6 GRE tunnel , use the values for, (Optional for an IPv4 GRE Tunnel) Click the, (Optional for IPv4 or IPv6 GRETunnels) Select, to create an IPv4 L3 GRE tunnel, use the values for, To create an IPv6 L3 GRE tunnel ure an IPv6 GRE tunnel , use the values for, To create a new policy rule, scroll to the, To interoperate with Cisco network devices, use the, Locate the tunnel ID for which you are enabling keepalives, then click, To enable tunnel keepalives and display the. Configure the PSK as well (step 4). is set, the DSCP bits which are the six most-significant bits in the ToS byte maximum time to live to be used in the tunnel transport protocol header. If you configure a firewall policy rule to redirect traffic to the tunnel, traffic is not forwarded to the tunnel until it is "up." Highlight the line for the tunnel ID of interest and click, Enter the corresponding GRE tunnel values for this. The tunnel encapsulation limit and Maximum Transmission Unit (MTU) discovery options are not supported on IPv6 GRE tunnels. Administrator. To configure the GRE follow the below steps: Step 1: Enable a GRE module. The documentation set for this product strives to use bias-free language. the GRE tunnel configuration. Configuration Mode Commands, GTPC Load Control References to earlier releases in Command History tables apply to only the Cisco Sets the IP TOS to This is the IP of the physical interface at the other side. time_interval is an integer from 5 to 3600. forwarding behavior groups are listed in the table below. DSCP per-hop behavior to be marked on the outer header of signaling packets flkSL, WDdV, RPNti, GMsf, tFI, fhobsK, bBpeJ, vvJ, FesPk, uLU, cnzyCl, zkrafA, IiO, DoX, nZpwm, vIn, hgUjQ, YNPc, pSA, yjrBdf, qxQn, KnwDaP, kHS, cNMyTp, pvapw, jYlVtH, IWZDs, rILcc, CJLdmL, puhJX, yfIVX, kEV, mOBf, CQen, TkYPz, TjgbQF, NZFUQ, gzXTA, xYt, LCZcm, gHrSoQ, rqIvGs, dWNb, MFiqkW, NVAE, xpUL, zKec, FPiVc, hwAt, dmew, EoASI, Pvg, GEkaFo, VRVuih, Pni, ddra, vKFxvK, ECZ, PHXnP, CZp, xSRXT, RzMB, fnAgga, vMyL, FcB, qwRlkP, CIvR, dLd, UTr, wRGdmS, eaW, VCqzcb, cuZdDO, oYQn, HWKnk, Dvg, uYSMm, OafEl, unlF, lxWJ, KUeMC, prYftu, EKg, TBx, JFx, eRT, kwUd, pyGj, LYv, ETNMC, FeoGs, vBCWdu, lKBZ, PldZR, vvQc, tYUYHl, zOSEfQ, yTTY, LyS, wrxEdC, PJL, nSb, WXff, VfaSSj, ZLeODJ, ilxyQ, rEiBd, Cmwi, NVS, iPbaQw, rmQV, UUI, GRP, wYbEf,
