Number of packets is 10 .

---------------------------------------

Input packet 1:

First the packet coming in: 

Router 1, Input Port A4

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 300 ;
Ident = 43690 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ;
TTL = 63 , Prot = 17 , H.Checksum = 0 ;
Source Address: 10.7.0.4
Dest Address:   10.5.16.3
No Options Present.
Number of data bytes = 280 . 

Source Network is: 11 : 10.7.0.0/16 . 
Destination Network (possibly after SSR rotation) is: 1 : 10.5.16.0/20 . 
Output Port is: A1 .  Next subnet is: 1 : 10.5.16.0/20 . 
Direct Delivery to interface on network  1 . 
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 = 300 ;
Ident = 43690 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ;
TTL = 62 , Prot = 17 , H.Checksum = 0 ;
Source Address: 10.7.0.4
Dest Address:   10.5.16.3
No Options Present.
Number of data bytes = 280 . 

---------------------------------------

Input packet 2:

First the packet coming in: 

Router 1, Input Port A5

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 450 ;
Ident = 27184 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ;
TTL = 31 , Prot = 17 , H.Checksum = 0 ;
Source Address: 10.5.52.0
Dest Address:   10.3.1.6
No Options Present.
Number of data bytes = 430 . 

Source Network is: 5 : 10.5.48.0/20 . 
Destination Network (possibly after SSR rotation) is: 12 : 10.3.0.0/16 . 
Output Port is: A3 .  Next subnet is: 3 : 10.4.0.0/20 . 
Forward to Next Port. Next Port is: A21 . 
Next the fragments going out: 

Fragment 1:

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 450 ;
Ident = 27184 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ;
TTL = 30 , Prot = 17 , H.Checksum = 0 ;
Source Address: 10.5.52.0
Dest Address:   10.3.1.6
No Options Present.
Number of data bytes = 430 . 

---------------------------------------

Input packet 3:

First the packet coming in: 

Router 1, Input Port A3

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 500 ;
Ident = 55555 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ;
TTL = 1 , Prot = 17 , H.Checksum = 0 ;
Source Address: 10.2.2.6
Dest Address:   10.6.64.8
No Options Present.
Number of data bytes = 480 . 

TTL expired, drop packet, send ICMP.

---------------------------------------

Input packet 4:

First the packet coming in: 

Router 1, Input Port A2

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 5000 ;
Ident = 37449 , U = 0 , DF = 1 , M = 0 , FragOffset = 0 ;
TTL = 42 , Prot = 6 , H.Checksum = 0 ;
Source Address: 10.5.3.5
Dest Address:   10.7.1.1
No Options Present.
Number of data bytes = 4980 . 

Source Network is: 2 : 10.5.0.0/20 . 
Destination Network (possibly after SSR rotation) is: 11 : 10.7.0.0/16 . 
Output Port is: A4 .  Next subnet is: 4 : 10.5.32.0/20 . 
Total Size > MTU: Fragmentation Required. 

But DF bit set: drop packet, send ICMP.

---------------------------------------

Input packet 5:

First the packet coming in: 

Router 1, Input Port A3

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 10040 ;
Ident = 39321 , U = 0 , DF = 0 , M = 1 , FragOffset = 555 ;
TTL = 64 , Prot = 17 , H.Checksum = 0 ;
Source Address: 10.4.2.1
Dest Address:   10.5.80.4
No Options Present.
Number of data bytes = 10020 . 

Source Network is: 3 : 10.4.0.0/20 . 
Destination Network (possibly after SSR rotation) is: 7 : 10.5.80.0/20 . 
Output Port is: A1 .  Next subnet is: 1 : 10.5.16.0/20 . 
Forward to Next Port. Next Port is: A7 . 
Next the fragments going out: 

Total Size > MTU: Fragmentation required.

Fragment 1:

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 4460 ;
Ident = 39321 , U = 0 , DF = 0 , M = 1 , FragOffset = 555 ;
TTL = 63 , Prot = 17 , H.Checksum = 0 ;
Source Address: 10.4.2.1
Dest Address:   10.5.80.4
No Options Present.
Number of data bytes = 4440 . 

Fragment 2:

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 4460 ;
Ident = 39321 , U = 0 , DF = 0 , M = 1 , FragOffset = 1110 ;
TTL = 63 , Prot = 17 , H.Checksum = 0 ;
Source Address: 10.4.2.1
Dest Address:   10.5.80.4
No Options Present.
Number of data bytes = 4440 . 

Fragment 3:

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 1160 ;
Ident = 39321 , U = 0 , DF = 0 , M = 1 , FragOffset = 1665 ;
TTL = 63 , Prot = 17 , H.Checksum = 0 ;
Source Address: 10.4.2.1
Dest Address:   10.5.80.4
No Options Present.
Number of data bytes = 1140 . 

---------------------------------------

Input packet 6:

First the packet coming in: 

Router 1, Input Port A5

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 560 ;
Ident = 45600 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ;
TTL = 63 , Prot = 6 , H.Checksum = 0 ;
Source Address: 10.6.5.8
Dest Address:   128.240.120.50
No Options Present.
Number of data bytes = 540 . 

Source Network is: 9 : 10.6.0.0/18 . 
Destination Network (possibly after SSR rotation) is: 16 : 0.0.0.0/0 . 
Output Port is: A3 .  Next subnet is: 3 : 10.4.0.0/20 . 
Forward to Next Port. Next Port is: A21 . 
Next the fragments going out: 

Fragment 1:

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 560 ;
Ident = 45600 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ;
TTL = 62 , Prot = 6 , H.Checksum = 0 ;
Source Address: 10.6.5.8
Dest Address:   128.240.120.50
No Options Present.
Number of data bytes = 540 . 

---------------------------------------

Input packet 7:

First the packet coming in: 

Router 1, Input Port A6

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 640 ;
Ident = 35540 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ;
TTL = 31 , Prot = 6 , H.Checksum = 0 ;
Source Address: 10.5.65.7
Dest Address:   10.15.61.255
No Options Present.
Number of data bytes = 620 . 

Source Network is: 6 : 10.5.64.0/20 . 
Destination Network (possibly after SSR rotation) is: 15 : 10.0.0.0/8 . 
Output Port is: A3 .  Next subnet is: 3 : 10.4.0.0/20 . 
Forward to Next Port. Next Port is: A21 . 
Next the fragments going out: 

Fragment 1:

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 640 ;
Ident = 35540 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ;
TTL = 30 , Prot = 6 , H.Checksum = 0 ;
Source Address: 10.5.65.7
Dest Address:   10.15.61.255
No Options Present.
Number of data bytes = 620 . 

---------------------------------------

Input packet 8:

First the packet coming in: 

Router 1, Input Port A2

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 3400 ;
Ident = 43690 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ;
TTL = 31 , Prot = 6 , H.Checksum = 0 ;
Source Address: 10.5.7.7
Dest Address:   255.255.255.255
No Options Present.
Number of data bytes = 3380 . 

Limited broadcast, to R1 software only.
---------------------------------------

Input packet 9:

First the packet coming in: 

Router 1, Input Port A1

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 219 ;
Ident = 43690 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ;
TTL = 31 , Prot = 6 , H.Checksum = 0 ;
Source Address: 10.5.16.5
Dest Address:   10.5.80.3
No Options Present.
Number of data bytes = 199 . 

Input Port equals Output Port and Source Network is directly reachable:
send ICMP redirect and route packet:
Source Network is: 1 : 10.5.16.0/20 . 
Destination Network (possibly after SSR rotation) is: 7 : 10.5.80.0/20 . 
Output Port is: A1 .  Next subnet is: 1 : 10.5.16.0/20 . 
Forward to Next Port. Next Port is: A7 . 
Next the fragments going out: 

Fragment 1:

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 219 ;
Ident = 43690 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ;
TTL = 30 , Prot = 6 , H.Checksum = 0 ;
Source Address: 10.5.16.5
Dest Address:   10.5.80.3
No Options Present.
Number of data bytes = 199 . 

---------------------------------------

Input packet 10:

First the packet coming in: 

Router 1, Input Port A5

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 820 ;
Ident = 45980 , U = 0 , DF = 0 , M = 0 , FragOffset = 0 ;
TTL = 19 , Prot = 6 , H.Checksum = 0 ;
Source Address: 10.6.0.3
Dest Address:   10.5.15.255
No Options Present.
Number of data bytes = 800 . 

Direct Broadcast, from network 9 to network 2 . 
To router R1 higher level software and broadcast to network 2
Source Network is: 9 : 10.6.0.0/18 . 
Destination Network (possibly after SSR rotation) is: 2 : 10.5.0.0/20 . 
Output Port is: A2 .  Next subnet is: 2 : 10.5.0.0/20 . 
Direct Delivery to interface on network  2 . 
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 = 45980 , U = 0 , DF = 0 , M = 1 , FragOffset = 0 ;
TTL = 18 , Prot = 6 , H.Checksum = 0 ;
Source Address: 10.6.0.3
Dest Address:   10.5.15.255
No Options Present.
Number of data bytes = 552 . 

Fragment 2:

VERS = 4 , HLEN = 5 , DSCP = 0 , ECT = 0 , CE = 0 , TL = 268 ;
Ident = 45980 , U = 0 , DF = 0 , M = 0 , FragOffset = 69 ;
TTL = 18 , Prot = 6 , H.Checksum = 0 ;
Source Address: 10.6.0.3
Dest Address:   10.5.15.255
No Options Present.
Number of data bytes = 248 .