Ripv2 authentication message format, Protocols and standards – H3C Technologies H3C SecPath F1000-E User Manual
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Version: Version of RIP. For RIPv2 the value is 0x02.
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Route Tag: Route Tag.
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IP Address: Destination IP address. It can be a natural network address, subnet address or host
address.
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Subnet Mask: Mask of the destination address.
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Next Hop: If set to 0.0.0.0, it indicates that the originator of the route is the best next hop; otherwise
it indicates a next hop better than the originator of the route.
RIPv2 authentication message format
RIPv2 sets the AFI field of the first route entry to 0xFFFF to identify authentication information. See
.
Figure 3 RIPv2 Authentication Message
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Authentication Type: A value of 2 represents plain text authentication, while a value of 3 represents
MD5.
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Authentication: Authentication data, including password information when plain text authentication
is adopted or including key ID, MD5 authentication data length and sequence number when MD5
authentication is adopted.
NOTE:
RFC 1723 only defines plain text authentication. For information about MD5 authentication, see
RFC
2453 RIP Version 2.
Protocols and Standards
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RFC 1058; Routing Information Protocol
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RFC 1723: RIP Version 2 - Carrying Additional Information
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RFC 1721: RIP Version 2 Protocol Analysis
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RFC 1722: RIP Version 2 Protocol Applicability Statement
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RFC 1724: RIP Version 2 MIB Extension
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RFC 2082: RIP-2 MD5 Authentication
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RFC 2453: RIP Version 2