Wireshark · Display Filter Reference: Cisco Interior Gateway Routing Protocol

Field name	Description	Type	Versions
igrp.as	Autonomous System	Unsigned integer (16 bits)	1.0.0 to 4.4.2
igrp.bandwidth	Bandwidth	Unsigned integer (24 bits)	2.0.0 to 4.4.2
igrp.checksum	Checksum	Unsigned integer (16 bits)	2.0.0 to 4.4.2
igrp.command	Command	Unsigned integer (8 bits)	2.0.0 to 4.4.2
igrp.delay	Delay	Unsigned integer (24 bits)	2.0.0 to 4.4.2
igrp.exterior_routes	Exterior routes	Unsigned integer (16 bits)	2.0.0 to 4.4.2
igrp.hop_count	Hop count	Unsigned integer (8 bits)	2.0.0 to 4.4.2
igrp.interior_routes	Interior routes	Unsigned integer (16 bits)	2.0.0 to 4.4.2
igrp.load	Load	Unsigned integer (8 bits)	2.0.0 to 4.4.2
igrp.mtu	MTU	Unsigned integer (16 bits)	2.0.0 to 4.4.2
igrp.network	Network	IPv4 address	2.0.0 to 4.4.2
igrp.reliability	Reliability	Unsigned integer (8 bits)	2.0.0 to 4.4.2
igrp.system_routes	System routes	Unsigned integer (16 bits)	2.0.0 to 4.4.2
igrp.update	Update Release	Unsigned integer (8 bits)	1.0.0 to 4.4.2
igrp.version	IGRP Version	Unsigned integer (8 bits)	2.0.0 to 4.4.2
igrp.version.invalid	Unknown Version, The dissection may be inaccurate	Label	2.0.0 to 4.4.2