September 2002
Intermediate to advanced
560 pages
13h 16m
English
book
VRRP: Increasing Reliability and Failover with the Virtual Router Redundance Protocol
by Ayikudy Srikanth, Adnan Adam Onart
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C.1. Data Structure Definitions for VRRP
File vrrpd.h contains the various VRRP data structure definitions:
/* vrrpd.h */ typedef struct { /* rfc2338.5.1 */ uint8_t vers_type; /* 0-3=type, 4-7=version */ uint8_t vrid; /* virtual router id */ uint8_t priority; /* router priority */ uint8_t naddr; /* address counter */ uint8_t auth_type; /* authentication type */ uint8_t adver_int; /* advertisement interval(in sec) */ uint16_t chksum; /* checksum (ip-like one) */ /* here <naddr> ip addresses */ /* here authentification infos */ } vrrp_pkt; /* protocol constants */ #define INADDR_VRRP_GROUP 0xe0000012/* multicast addr rfc2338.5.2.2 */ #define VRRP_IP_TTL 255 /* in and out pkt ttl — rfc2338.5.2.3 */ #define IPPROTO_VRRP 112 /* IP protocol number ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.