> Hi > > On this task we have to configure 2 Loopbacks and advertise a summary > of them via ISIS. > Why not just configure the summary address, the solution says a > redistribute connected with a route map and the summary address is the > right way. > > I have tried both ways and it seems that there is no difference > between them. > > R9(config-router)#do sh run | be ^router isis > router isis 1 > net 49.0009.9999.9999.9999.00 > metric-style wide > summary-address 10.6.0.0 255.255.254.0 level-1-2 > redistribute static ip > passive-interface Loopback0 > passive-interface Loopback1 > passive-interface Loopback2 > > R2#sh ip route isis > 200.0.0.0/32 is subnetted, 5 subnets > i L2 200.0.0.9 [115/20] via 150.50.26.1, Serial0/1.26 > i L1 200.0.0.4 [115/10] via 150.50.24.1, Serial0/1.24 > i L1 200.0.0.5 [115/10] via 150.50.25.1, Serial0/1.25 > i L2 200.0.0.6 [115/10] via 150.50.26.1, Serial0/1.26 > i L2 192.6.6.0/24 [115/20] via 150.50.26.1, Serial0/1.26 > 10.0.0.0/23 is subnetted, 1 subnets > i L2 10.6.0.0 [115/20] via 150.50.26.1, Serial0/1.26 > i L2 192.7.7.0/24 [115/20] via 150.50.26.1, Serial0/1.26 > 150.50.0.0/16 is variably subnetted, 8 subnets, 3 masks > i L1 150.50.56.0/24 [115/10] via 150.50.25.1, Serial0/1.25 > i L2 150.50.69.0/30 [115/20] via 150.50.26.1, Serial0/1.26 > i L2 150.50.69.2/32 [115/30] via 150.50.26.1, Serial0/1.26 > i L2 150.50.86.0/24 [115/20] via 150.50.26.1, Serial0/1.26 > R2# > R2# > R2#ping 10.6.1.6 > > Type escape sequence to abort. > Sending 5, 100-byte ICMP Echos to 10.6.1.6, timeout is 2 seconds: > !!!!! > Success rate is 100 percent (5/5), round-trip min/avg/max = 36/44/52 > ms > R2#ping 10.6.0.6 > > Type escape sequence to abort. > Sending 5, 100-byte ICMP Echos to 10.6.0.6, timeout is 2 seconds: > !!!!! > Success rate is 100 percent (5/5), round-trip min/avg/max = 20/92/300 > ms > R2# > > > Best regards > peter
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