Hitachi GR2000 Series manual IP header

Filtering/QoS Information

Table 1-13 Priority for Each Packet Type When classify_all is Specified

(All Models Except GR2000-1B, GR2000-2B, GR2000-2B+ and Group Band Control)

	State of IP	Output Group Number and
		Output Priority (*1)		Queuing
Packet Type	Flow
		Up to the	More than the
	Detection			Priority
	Conditions	Nnumber of	Nnumber of
		Group of 2	Group of 3
ARP (ARP Request/ARP Response) packet	--	(Group 1) 4	(Group 16) 4	4
generated by this router
Layer 2 packet generated by this router (WAN)	--	(Group 1) 4	(Group 16) 4	4
IPv4 packets generated by this router (RIP,	Coincides	Priority specified by flow qos configuration
OSPF, BGP, telnet, ftp, snmp, igmp, pim, etc.)			definition
	Does not	(Group 1) 4	(Group 16) 4	4
	coincide
IPv4 ICMP packet for reporting the error	Coincides	Priority specified by flow qos configuration
generated by this router			definition
	Does not	(Group 1) 2	(Group 8) 1	1
	coincide
IPv4 packets relayed by this router	Coincides	Priority specified by flow qos configuration
1. Packet with option			definition
(IP header)
	Does not	(Group 1) 2	(Group 8) 1	4
2. Fragmented packet
	coincide
3. Redirected packet
4. ARP unsolved packet
5. DVMRP-capsulated
packet sent to the
DVMRP tunnel interface
IPv4 packets except in item Nos. 3 to 5	Coincides	Priority specified by flow qos configuration
			definition
	Does not	(Group 1) 2	(Group 8) 1	4
	coincide
IPv6 packet generated by this router	Coincides	Priority specified by flow qos configuration
(Except in item No. 9)			definition
	Does not	(Group 1) 4	(Group 16) 4	4
	coincide
IPv6, ICMP to notice a error generated by this	Coincides.	Priority specified by flow qos configuration
router			definition
	Does not	(Group 1) 2	(Group 8) 1	1
	coincide
IPv6 packet relayed by this router	Coincides.	Priority specified by flow qos configuration
			definition
	Does not	(Group 1) 2	(Group 8) 1	4
	coincide

--:Does not agree with the IP flow detecting condition because it is not the IP packet.

*1: This function can specify the priority of all IP packets by flow configuration definition. The number of queued entries in the output group is fixed at four.

GR2K-GA-0014	1-17
Ver. 07-02