Brocade Virtual ADX Server Load Balancing Guide (Supporting ADX v03.1.00) - Manual (Page 382)

366 Brocade Virtual ADX Server Load Balancing Guide
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Using the debug filter command
B
0... .... = Reserved
.1.. .... = Do not fragment
..0. .... = Last fragment
Fragment offset(LSB 13 bits): 0 (0x00)
Time to live: 128 seconds/hops
IP protocol type: TCP (0x06)
Checksum: 0x4be2
IP address: 192.168.8.100 ---> 192.168.8.222
No option
Transmission Control Protocol
Port 3881 ---> 80
Sequence Number: 4047880147
Acknowledgement Number: 2434401980
Header Length(MSB 4 bits): 5 (32-bit word)
Reserved(LSB 4 bits): 0
Code: 0x18
RES: 0... ....
CON: .0.. ....
URG: ..0. ....
ACK: ...1 ....
PSH: .... 1...
RST: .... .0..
SYN: .... ..0.
FIN: .... ...0
Window: 64000
Checksum: 0xe90f
Urgent Pointer: 0x0000
Data:
0000: 47 45 54 20 2f 20 48 54 54 50 2f 31 2e 31 0d 0a | GET / HTTP/1.1..
0010: 48 6f 73 74 3a 20 31 39 32 2e 31 36 38 2e 38 2e | Host: 192.168.8.
0020: 32 32 32 0d 0a 41 63 63 65 70 74 3a 20 2a 2f 2a | 222..Accept: */*
0030: 0d 0a 0d 0a 00 00 00 00 00 00 00 00 00 00 | ..............
The packet arrived via port 15 (client facing) and the IP header is showing the following:
• source IP: 192.168.8.100
• destination IP: 192.168.8.222
This is a packet coming from the client to the virtual server. Packet #8 is the same packet BUT on
the way to the real server (after SLB):
telnet@Virtual ADX(debug-filter-1-4)#ascii 8
Packet 8 captured at Oct 26 17:00:24 ; Packet size is 178(0x00b2) bytes
Out port: 3
fpga optimized: No
Ethernet Version II
Address: 001b.ed3c.cb62 ---> 021b.ed3c.cb60
Ethernet II Protocol Type: IP
Internet Protocol
Version(MSB 4 bits): 4
Header length(LSB 4 bits): 5 (32-bit word)
Service Type: 0x00
Total length: 92 (Octets)
Fragment ID: 7207
Flags summary: 0x40
0... .... = Reserved
.1.. .... = Do not fragment
..0. .... = Last fragment