cisco ccna online exam free

cisco ccna online exam free

Priority 6 : 9375000 Et0/1 Router(config-if)#mpls traffic-eng tunnels Related RFCs The L1 and L2 IIH PDUs on the LAN are sent to different multicast MAC addresses: L1 is 0180-C200-0014 and L2 is 0180-C200-0015 See the process of label exchange? Prove that the data is indeed on the TE tunnel . Network 10.1.23.2 0.0.0.0 area 0 mpls traffic-eng router-id loopback0 mpls traffic-eng area 0 Show clns protocol 4.4.4.4/32 The IS-IS related interface is Up or Down . Important difference: MPLS TE considers the attribute parameters of the link (such as delay, jitter, etc.) LSP midpoint frr information: LSP identifier ! Reservable Bandwidth[2]: Type 1 length 52: 2.2.2.0/24 202 *Aug 18 04:37:06.239: SESSION type 7 length 16: Extended OSPF and IS-IS to TE required information flooding in the network, then Tunnel head-end router can build your own TE The tunnel configuration of R2 is modified as follows: Activate the MPLS TE extension for each router's OSPF and manually set the RouterID for MPLS TE . TE can provide a solution to avoid link overload by controlling traffic or partial traffic. Let's make a comparison: Router isis We see a lower priority than 5 of the Tunnel , along with the available bandwidth into a 75-20 = 55M . Reserved label [4]: MPLS TE overview Ip unnumbered Loopback0 tunnel destination 4.4.4.4 tunnel mode mpls traffic-eng All routers run OSPF and the entire network is interconnected. The IP plan is as shown in the figure. Loopback0 of all devices is addressed by xxxx/32 , and x is the device number. All interfaces of ospf area0 will automatically activate LDP. R2-PE1#show ip route Look again at R4 's isis database : The configuration of R1 is as follows: The label header has a total of 32 bits and contains the following fields: If a router does not refresh its generated LSP after the LSP refresh interval ,cisco ccna online exam free, and the LSP remaining timer field has been reduced to 0 , all routers that have the LSP copy will copy the LSP from its own chain after the 60S grace period. Clear in the road state database. This 60S time is ZeroAgeLifetime , zero lifetime, and not configurable. O 10.1.34.0 [110/3] via 10.1.12.2, 00:00:39, FastEthernet0/0 Ip cef Ip address 10.1.34.3 255.255.255.0 A Forwarding Equivalence Class (FEC) 75M Ip router isis encapsulation frame-relay isis priority 100 On the point-to-point link, the neighbor uses PSNP to acknowledge the new LSP . When the source router receives the PSNP acknowledgement sent by the neighbor , it stops sending new LSPs to this neighbor . In the LAN , there is no clear PSNP confirmation. The lost LSP can be detected. If any of the LSP missing or expired, Router are to PSNP send a request form to request retransmission of the LSP .