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Appendix A. Host Configuration Parameters

IP-layer parameters, per host​

ParameterTypeReference
Be a routeron/offHRC 3.1
Non-local source routingon/offHRC 3.3.5
Policy filters for non-local source routing(list)HRC 3.3.5
Maximum reassembly sizeintegerHRC 3.3.2
Default TTLintegerHRC 3.2.1.7
PMTU aging timeoutintegerMTU 6.6
MTU plateau table(list)MTU 7

IP-layer parameters, per interface​

ParameterTypeReference
IP address(address)HRC 3.3.1.6
Subnet mask(address mask)HRC 3.3.1.6
MTUintegerHRC 3.3.3
All-subnets-MTUon/offHRC 3.3.3
Broadcast address flavor0x00000000/0xffffffffHRC 3.3.6
Perform mask discoveryon/offHRC 3.2.2.9
Be a mask supplieron/offHRC 3.2.2.9
Perform router discoveryon/offRD 5.1
Router solicitation address(address)RD 5.1

Default routers, list of​

ParameterTypeReference
router address(address)HRC 3.3.1.6
preference levelintegerHRC 3.3.1.6

Static routes, list of​

ParameterTypeReference
destination(host/subnet/net)HRC 3.3.1.2
destination mask(address mask)HRC 3.3.1.2
type-of-serviceintegerHRC 3.3.1.2
first-hop router(address)HRC 3.3.1.2
ignore redirectson/offHRC 3.3.1.2
PMTUintegerMTU 6.6
perform PMTU discoveryon/offMTU 6.6
ParameterTypeReference
Trailerson/offHRC 2.3.1
ARP cache timeoutintegerHRC 2.3.2.1
Ethernet encapsulation(RFC 894/RFC 1042)HRC 2.3.3

TCP parameters, per host​

ParameterTypeReference
TTLintegerHRC 4.2.2.19
Keep-alive intervalintegerHRC 4.2.3.6
Keep-alive data size0/1HRC 4.2.3.6

Key​

  • MTU = Path MTU Discovery (RFC 1191, Proposed Standard)
  • RD = Router Discovery (RFC 1256, Proposed Standard)
  • HRC = Host Requirements - Communications (RFC 1122, STD 3)
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