A 9-bit field would be pretty strange.
The hop count field is 8 bits (one byte). The maximum value is 255. The
minimum value is 0.
Here's an IGRP update FYI:
Ethernet Header
Destination: FF:FF:FF:FF:FF:FF Ethernet Broadcast
Source: 00:00:0C:00:2E:75
Protocol Type:0x0800 IP
IP Header - Internet Protocol Datagram
Version: 4
Header Length: 5 (20 bytes)
Type of Service: %00000000
Precedence: Routine, Normal Delay, Throughput, Reliability
Total Length: 60
Identifier: 0
Fragmentation Flags: %000 May Fragment Last Fragment
Fragment Offset: 0 (0 bytes)
Time To Live: 2
Protocol: 9 IGP/IGRP
Header Checksum: 0x02A8
Source IP Address: 172.16.10.2 Charlotte
Dest. IP Address: 255.255.255.255 IP Broadcast
No IP Options
IGRP - Interior Gateway Routing Protocol
Protocol Version: 1
Opcode: 1 Update
Edition: 6
Autonomous System #: 100
Interior Routes: 2
System Routes: 0
Exterior Routes: 0
Checksum: 0x2214
InteriorRouting Entry #1
Destination: 16.40.0
Delay (microseconds): 20000
Bandwidth (Kbit/sec): 6476
Max. Transmission Unit: 512
Reliability: 100%
Load: 0%
Hop Count: 0
InteriorRouting Entry #2
Destination: 16.30.0
Delay (microseconds): 21000
Bandwidth (Kbit/sec): 6476
Max. Transmission Unit: 512
Reliability: 100%
Load: 0%
Hop Count: 1
Priscilla
At 05:46 PM 1/9/02, Cornelius C. Marshall wrote:
>Is the max # of hops for igrp 255 or 256 I'm receiving conflicting info?
________________________
Priscilla Oppenheimer
http://www.priscilla.com
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=31475&t=31466
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