Circuits Interconnecting Switches Are Called Trunks

Sets the present bandwidth value for an interface and communicates it to higher-level protocols. When a client sends that command to a server, if the server is in command of that key, then it will reply with the corresponding worth. •If an IP packet exceeds the MTU set for the interface, the Cisco IOS software will fragment it unless the DF bit is about. •The Cisco 10000 collection router doesn't support the fragmentation of multicast packets passing by way of a multicast tunnel. The default CTunnel mode continues to make use of the standard Cisco encapsulation, which is able to tunnel solely IPv4 packets. In Cisco IOS Release 12.2(8)T and later releases, CEF-switching over multipoint GRE tunnels was introduced. Note This command is supported only on GRE level-to-point tunnels. Note The ctunnel mode gre command specifies GRE because the encapsulation protocol for the tunnel. Note The tunnel mode gre ipv6 command specifies GRE because the encapsulation protocol for the tunnel. Note If the tunnel path-mtu-discovery command is enabled in Step 12, do not configure this command. Be certain that the bodily interface for use because the tunnel supply in this process is up and configured with the appropriate IP address.



Specifies the ip address and subnet mask. The vacation spot community service entry point (NSAP) address for Router A can be the NSAP address of Router B, and the destination NSAP tackle for 1234 slot Router B would be the NSAP address of Router A. Ideally, the IP addresses used for the digital interfaces at both finish of the tunnel needs to be in the identical IP subnet. The tunnel endpoints, tunnel source, and tunnel destination must be defined, and the type of tunnel have to be chosen. •If an interface is specified, the interface have to be configured with an IPv4 address. Specifies the destination NSAP tackle of the CTunnel, the place the packets exit the tunnel. •An IPv4 or IPv6 tackle should be configured on a CTunnel interface, and manually configured CLNS addresses must be assigned to the CTunnel destination. Specifies the destination IPv4 deal with for the tunnel interface. Specifies the supply IPv6 tackle or the source interface type and quantity for the tunnel interface. Th​is data h​as ​be​en written ​wi᠎th t he　help of G​SA  C᠎on᠎te nt G enerator DE MO!



•If an interface sort and quantity are specified, that interface should be configured with an IPv6 address. •All devices on a bodily medium must have the identical protocol MTU with a view to function. •The VRF associated with the tunnel vrf command is similar as the VRF related to the physical interface over which the tunnel sends packets (outer IP packet routing). •Use the interface-number argument to specify a CTunnel interface. •To configure a tunnel, use tunnel for the kind argument. •If GRE keepalive is configured on both sides of the tunnel, the period and retries arguments could be totally different at each facet of the hyperlink. Servers are encouraged to leave connections open for so long as attainable, but can terminate idle connections if essential. TCP connections that originate or terminate on a router. In the following example, Router 1 and Router 2 are configured to ship traffic via an RBSCP tunnel over a satellite tv for pc hyperlink.



Configuring a CTunnel permits you to telnet to a remote router that has only CLNS connectivity. Perform this job to configure an IP over CLNS tunnel (CTunnel). Perform this process to configure a GRE tunnel. Displays information about an IP over CLNS tunnel. Perform this activity to configure a CTunnel in GRE mode to transport IPv4 and IPv6 packets in a CLNS network. Other administration facilities may also be used, equivalent to Simple Network Management Protocol (SNMP) and TFTP, which in any other case would not be out there over a CLNS community. Optional steps can be performed to customize the tunnel. •RBSCP has some efficiency limitations because traffic by means of the tunnel is process-switched. A tunnel interface is used to pass protocol visitors throughout a community that does not usually support the protocol. The next sample configuration exhibits how to use the identical shaping policy to the tunnel interface with the Modular QoS CLI (MQC) commands. Note The GRE tunnel keepalive characteristic should not be configured on a VRF tunnel. Note Only the syntax used in this context is displayed. Provided that the quantity is in the identical central workplace, and located on the operator's switchboard, the operator connects the decision by plugging the ringing cord into the jack corresponding to the called customer's line.