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Title : OSPF Restart Signaling
Author(s) : A. Zinin, et al.
Filename : draft-nguyen-ospf-restart-06.txt
Pages : 13
Date : 2006-10-27
Abstract OSPF is a link-state intra-domain routing protocol used in
IP networks. Routers find new and detect unreachable neighbors via
Hello subprotocol. Hello OSPF packets are also used to ensure two-
way connectivity within time. When a router restarts its OSPF
software, it may not know its neighbors. If such a router sends a
hello packet on an interface, its neighbors are going to reset the
adjacency, which may not be desirable in certain conditions.
This memo describes a vendor specific mechanism that allows OSPF
routers to inform their neighbors about the restart process. Note
that this mechanism requires support from neighboring routers. The
mechanism described in this document was proposed before Graceful
OSPF Restart [RFC3623] came into existence. It is implemented/
supported by at least one major vendor and is currently deployed in
the field. The purpose of this document is to capture the details of
this mechanism for public use. This mechanism is not an IETF
standard.
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