Number of packets is 7 . --------------------------------------- Input packet 0: First the packet coming in: Router 1, Input Port A4 VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 1500 ; Ident = 43970 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ; TTL = 51 , Prot = 6 , H.Checksum = 0 ; Source Address: 10.10.1.15 Dest Address: 10.3.0.7 No Options Present. Number of data bytes = 1480 . Source Network is: 13 : 10.10.1.0/24 . Destination Network (possibly after SSR rotation) is: 5 : 10.3.0.0/24 . Output Port is: A6 . Next subnet is: 5 : 10.3.0.0/24 . Direct Delivery to interface on network 5 . This may include the case of SSR. Next the fragments going out: Fragment 1: VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 1500 ; Ident = 43970 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ; TTL = 50 , Prot = 6 , H.Checksum = 0 ; Source Address: 10.10.1.15 Dest Address: 10.3.0.7 No Options Present. Number of data bytes = 1480 . --------------------------------------- Input packet 1: First the packet coming in: Router 1, Input Port A1 VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 576 ; Ident = 23672 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ; TTL = 16 , Prot = 6 , H.Checksum = 0 ; Source Address: 10.1.0.41 Dest Address: 10.4.0.38 No Options Present. Number of data bytes = 556 . Source Network is: 1 : 10.1.0.0/24 . Destination Network (possibly after SSR rotation) is: 12 : 10.4.0.0/24 . Output Port is: A2 . Next subnet is: 2 : 10.2.0.0/20 . Forward to Next Port. Next Port is: A19 . Next the fragments going out: Fragment 1: VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 576 ; Ident = 23672 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ; TTL = 15 , Prot = 6 , H.Checksum = 0 ; Source Address: 10.1.0.41 Dest Address: 10.4.0.38 No Options Present. Number of data bytes = 556 . --------------------------------------- Input packet 2: First the packet coming in: Router 1, Input Port A3 VERS = 4 , HLEN = 9 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 1500 ; Ident = 43562 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ; TTL = 50 , Prot = 6 , H.Checksum = 0 ; Source Address: 10.4.16.21 Dest Address: 10.4.8.1 2 Options Present. Option 1 is 1 : No-Op. Option 2 is 137 : Strict Source Route, Length = 15 , Pointer = 8 . Number of extra SSR addresses is 3 Extra SSR adress 1 is 10.4.9.2 Extra SSR adress 2 is 10.2.9.0 Extra SSR adress 3 is 10.2.32.15 Number of data bytes = 1464 . Source Network is: 10 : 10.4.16.0/22 . Destination Network (possibly after SSR rotation) is: 2 : 10.2.0.0/20 . Destination (possibly after SSR rotation) is Router Port A7 . Output Port is: A2 . Next subnet is: 2 : 10.2.0.0/20 . Direct Delivery to interface on network 2 . This may include the case of SSR. Next the fragments going out: Fragment 1: VERS = 4 , HLEN = 9 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 1500 ; Ident = 43562 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ; TTL = 49 , Prot = 6 , H.Checksum = 0 ; Source Address: 10.4.16.21 Dest Address: 10.2.9.0 2 Options Present. Option 1 is 1 : No-Op. Option 2 is 137 : Strict Source Route, Length = 15 , Pointer = 12 . Number of extra SSR addresses is 3 Extra SSR adress 1 is 10.4.9.2 Extra SSR adress 2 is 10.2.0.1 Extra SSR adress 3 is 10.2.32.15 Number of data bytes = 1464 . --------------------------------------- Input packet 3: First the packet coming in: Router 1, Input Port A4 VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 1500 ; Ident = 11098 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ; TTL = 31 , Prot = 6 , H.Checksum = 0 ; Source Address: 10.10.1.145 Dest Address: 10.1.0.51 No Options Present. Number of data bytes = 1480 . Source Network is: 13 : 10.10.1.0/24 . Destination Network (possibly after SSR rotation) is: 1 : 10.1.0.0/24 . Output Port is: A1 . Next subnet is: 1 : 10.1.0.0/24 . Direct Delivery to interface on network 1 . This may include the case of SSR. Next the fragments going out: Total Size > MTU: Fragmentation required. Fragment 1: VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 572 ; Ident = 11098 , U = 0 , DF = 0 , M = 1 , FragOffset = 0 ; TTL = 30 , Prot = 6 , H.Checksum = 0 ; Source Address: 10.10.1.145 Dest Address: 10.1.0.51 No Options Present. Number of data bytes = 552 . Fragment 2: VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 572 ; Ident = 11098 , U = 0 , DF = 0 , M = 1 , FragOffset = 69 ; TTL = 30 , Prot = 6 , H.Checksum = 0 ; Source Address: 10.10.1.145 Dest Address: 10.1.0.51 No Options Present. Number of data bytes = 552 . Fragment 3: VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 396 ; Ident = 11098 , U = 0 , DF = 0 , M = 0 , FragOffset = 138 ; TTL = 30 , Prot = 6 , H.Checksum = 0 ; Source Address: 10.10.1.145 Dest Address: 10.1.0.51 No Options Present. Number of data bytes = 376 . --------------------------------------- Input packet 4: First the packet coming in: Router 1, Input Port A3 VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 4464 ; Ident = 23338 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ; TTL = 254 , Prot = 6 , H.Checksum = 0 ; Source Address: 10.4.8.14 Dest Address: 10.4.17.34 No Options Present. Number of data bytes = 4444 . Input Port equals Output Port and Source Network is directly reachable: send ICMP redirect and route packet: Source Network is: 9 : 10.4.8.0/22 . Destination Network (possibly after SSR rotation) is: 10 : 10.4.16.0/22 . Output Port is: A3 . Next subnet is: 9 : 10.4.8.0/22 . Forward to Next Port. Next Port is: A16 . Next the fragments going out: Fragment 1: VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 4464 ; Ident = 23338 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ; TTL = 253 , Prot = 6 , H.Checksum = 0 ; Source Address: 10.4.8.14 Dest Address: 10.4.17.34 No Options Present. Number of data bytes = 4444 . --------------------------------------- Input packet 5: First the packet coming in: Router 1, Input Port A2 VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 4464 ; Ident = 43348 , U = 0 , DF = 1 , M = 0 , FragOffset = 0 ; TTL = 10 , Prot = 6 , H.Checksum = 0 ; Source Address: 10.2.65.21 Dest Address: 10.3.0.1 No Options Present. Number of data bytes = 4444 . Packet destined for router R=1, to higher level software. --------------------------------------- Input packet 6: First the packet coming in: Router 3, Input Port A9 VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 4464 ; Ident = 44887 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ; TTL = 254 , Prot = 6 , H.Checksum = 0 ; Source Address: 10.2.32.1 Dest Address: 255.255.255.255 No Options Present. Number of data bytes = 4444 . Limited broadcast, to R3 software only.