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    /*	$OpenBSD: logmsg.c,v 1.1 2016/09/02 17:59:58 benno Exp $ */  | 
    
    
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    /*  | 
    
    
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     * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org>  | 
    
    
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     *  | 
    
    
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     * Permission to use, copy, modify, and distribute this software for any  | 
    
    
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     * purpose with or without fee is hereby granted, provided that the above  | 
    
    
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     * copyright notice and this permission notice appear in all copies.  | 
    
    
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     *  | 
    
    
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     * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES  | 
    
    
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     * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF  | 
    
    
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     * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR  | 
    
    
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     * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES  | 
    
    
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     * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN  | 
    
    
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     * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF  | 
    
    
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     * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.  | 
    
    
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     */  | 
    
    
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    #include <errno.h>  | 
    
    
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    #include <stdarg.h>  | 
    
    
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    #include <stdio.h>  | 
    
    
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    #include <stdlib.h>  | 
    
    
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    #include <string.h>  | 
    
    
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    #include <syslog.h>  | 
    
    
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    #include <unistd.h>  | 
    
    
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    #include <arpa/inet.h>  | 
    
    
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    #include <netdb.h>  | 
    
    
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    #include "eigrpd.h"  | 
    
    
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    #include "rde.h"  | 
    
    
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    #include "log.h"  | 
    
    
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    #define NUM_LOGS	4  | 
    
    
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    const char *  | 
    
    
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    log_sockaddr(void *vp)  | 
    
    
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    { | 
    
    
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    	static char	 buf[NUM_LOGS][NI_MAXHOST];  | 
    
    
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    	static int	 round = 0;  | 
    
    
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    	struct sockaddr	*sa = vp;  | 
    
    
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    	round = (round + 1) % NUM_LOGS;  | 
    
    
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    	if (getnameinfo(sa, sa->sa_len, buf[round], NI_MAXHOST, NULL, 0,  | 
    
    
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    	    NI_NUMERICHOST))  | 
    
    
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    		return ("(unknown)"); | 
    
    
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    	else  | 
    
    
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    		return (buf[round]);  | 
    
    
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    }  | 
    
    
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    const char *  | 
    
    
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    log_in6addr(const struct in6_addr *addr)  | 
    
    
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    { | 
    
    
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    	struct sockaddr_in6	sa_in6;  | 
    
    
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    	memset(&sa_in6, 0, sizeof(sa_in6));  | 
    
    
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    	sa_in6.sin6_len = sizeof(sa_in6);  | 
    
    
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    	sa_in6.sin6_family = AF_INET6;  | 
    
    
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    	sa_in6.sin6_addr = *addr;  | 
    
    
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    	recoverscope(&sa_in6);  | 
    
    
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    	return (log_sockaddr(&sa_in6));  | 
    
    
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    }  | 
    
    
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    const char *  | 
    
    
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    log_in6addr_scope(const struct in6_addr *addr, unsigned int ifindex)  | 
    
    
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    { | 
    
    
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    	struct sockaddr_in6	sa_in6;  | 
    
    
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    	memset(&sa_in6, 0, sizeof(sa_in6));  | 
    
    
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    	sa_in6.sin6_len = sizeof(sa_in6);  | 
    
    
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    	sa_in6.sin6_family = AF_INET6;  | 
    
    
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    	sa_in6.sin6_addr = *addr;  | 
    
    
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    	addscope(&sa_in6, ifindex);  | 
    
    
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    	return (log_sockaddr(&sa_in6));  | 
    
    
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    }  | 
    
    
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    const char *  | 
    
    
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    log_addr(int af, union eigrpd_addr *addr)  | 
    
    
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    { | 
    
    
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    	static char	 buf[NUM_LOGS][INET6_ADDRSTRLEN];  | 
    
    
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    	static int	 round = 0;  | 
    
    
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    	switch (af) { | 
    
    
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    	case AF_INET:  | 
    
    
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    		round = (round + 1) % NUM_LOGS;  | 
    
    
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    		if (inet_ntop(AF_INET, &addr->v4, buf[round],  | 
    
    
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    		    sizeof(buf[round])) == NULL)  | 
    
    
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    			return ("???"); | 
    
    
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    		return (buf[round]);  | 
    
    
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    	case AF_INET6:  | 
    
    
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    		return (log_in6addr(&addr->v6));  | 
    
    
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    	default:  | 
    
    
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    		break;  | 
    
    
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    	}  | 
    
    
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    	return ("???"); | 
    
    
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    }  | 
    
    
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    const char *  | 
    
    
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    log_prefix(struct rt_node *rn)  | 
    
    
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    { | 
    
    
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    	static char	buf[64];  | 
    
    
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    	if (snprintf(buf, sizeof(buf), "%s/%u", log_addr(rn->eigrp->af,  | 
    
    
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    	    &rn->prefix), rn->prefixlen) == -1)  | 
    
    
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    		return ("???"); | 
    
    
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    	return (buf);  | 
    
    
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    }  | 
    
    
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    const char *  | 
    
    
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    log_route_origin(int af, struct rde_nbr *nbr)  | 
    
    
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    { | 
    
    
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    	if (nbr->flags & F_RDE_NBR_SELF) { | 
    
    
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    		if (nbr->flags & F_RDE_NBR_REDIST)  | 
    
    
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    			return ("redistribute"); | 
    
    
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    		if (nbr->flags & F_RDE_NBR_SUMMARY)  | 
    
    
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    			return ("summary"); | 
    
    
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    		else  | 
    
    
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    			return ("connected"); | 
    
    
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    	}  | 
    
    
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    	return (log_addr(af, &nbr->addr));  | 
    
    
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    }  | 
    
    
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    const char *  | 
    
    
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    opcode_name(uint8_t opcode)  | 
    
    
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    { | 
    
    
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    	switch (opcode) { | 
    
    
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    	case EIGRP_OPC_UPDATE:  | 
    
    
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    		return ("UPDATE"); | 
    
    
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    	case EIGRP_OPC_REQUEST:  | 
    
    
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    		return ("REQUEST"); | 
    
    
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    	case EIGRP_OPC_QUERY:  | 
    
    
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    		return ("QUERY"); | 
    
    
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    	case EIGRP_OPC_REPLY:  | 
    
    
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    		return ("REPLY"); | 
    
    
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    	case EIGRP_OPC_HELLO:  | 
    
    
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    		return ("HELLO"); | 
    
    
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    	case EIGRP_OPC_PROBE:  | 
    
    
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    		return ("PROBE"); | 
    
    
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    	case EIGRP_OPC_SIAQUERY:  | 
    
    
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    		return ("SIAQUERY"); | 
    
    
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    	case EIGRP_OPC_SIAREPLY:  | 
    
    
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    		return ("SIAREPLY"); | 
    
    
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    	default:  | 
    
    
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    		return ("UNKNOWN"); | 
    
    
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    	}  | 
    
    
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    }  | 
    
    
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    const char *  | 
    
    
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    af_name(int af)  | 
    
    
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    { | 
    
    
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    	switch (af) { | 
    
    
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    	case AF_INET:  | 
    
    
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    		return ("ipv4"); | 
    
    
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    	case AF_INET6:  | 
    
    
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    		return ("ipv6"); | 
    
    
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    	default:  | 
    
    
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    		return ("UNKNOWN"); | 
    
    
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    	}  | 
    
    
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    }  | 
    
    
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    const char *  | 
    
    
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    if_type_name(enum iface_type type)  | 
    
    
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    { | 
    
    
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    	switch (type) { | 
    
    
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    	case IF_TYPE_POINTOPOINT:  | 
    
    
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    		return ("POINTOPOINT"); | 
    
    
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    	case IF_TYPE_BROADCAST:  | 
    
    
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    		return ("BROADCAST"); | 
    
    
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    	default:  | 
    
    
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    		return ("UNKNOWN"); | 
    
    
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    	}  | 
    
    
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    }  | 
    
    
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    const char *  | 
    
    
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    dual_state_name(int state)  | 
    
    
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    { | 
    
    
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    	switch (state) { | 
    
    
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    	case DUAL_STA_PASSIVE:  | 
    
    
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    		return ("PASSIVE"); | 
    
    
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    	case DUAL_STA_ACTIVE0:  | 
    
    
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    		return ("ACTIVE(Oij=0)"); | 
    
    
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    	case DUAL_STA_ACTIVE1:  | 
    
    
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    		return ("ACTIVE(Oij=1)"); | 
    
    
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    	case DUAL_STA_ACTIVE2:  | 
    
    
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    		return ("ACTIVE(Oij=2)"); | 
    
    
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    	case DUAL_STA_ACTIVE3:  | 
    
    
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    		return ("ACTIVE(Oij=3)"); | 
    
    
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    	default:  | 
    
    
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    		return ("UNKNOWN"); | 
    
    
    196  | 
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    	}  | 
    
    
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    }  | 
    
    
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    const char *  | 
    
    
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    ext_proto_name(int proto)  | 
    
    
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    { | 
    
    
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    	switch (proto) { | 
    
    
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    	case EIGRP_EXT_PROTO_IGRP:  | 
    
    
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    		return ("IGRP"); | 
    
    
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    	case EIGRP_EXT_PROTO_EIGRP:  | 
    
    
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    		return ("EIGRP"); | 
    
    
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    	case EIGRP_EXT_PROTO_STATIC:  | 
    
    
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    		return ("Static"); | 
    
    
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    	case EIGRP_EXT_PROTO_RIP:  | 
    
    
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    		return ("RIP"); | 
    
    
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    	case EIGRP_EXT_PROTO_HELLO:  | 
    
    
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    		return ("HELLO"); | 
    
    
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    	case EIGRP_EXT_PROTO_OSPF:  | 
    
    
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    		return ("OSPF"); | 
    
    
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    	case EIGRP_EXT_PROTO_ISIS:  | 
    
    
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    		return ("ISIS"); | 
    
    
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    	case EIGRP_EXT_PROTO_EGP:  | 
    
    
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    		return ("EGP"); | 
    
    
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    	case EIGRP_EXT_PROTO_BGP:  | 
    
    
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    		return ("BGP"); | 
    
    
    221  | 
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    	case EIGRP_EXT_PROTO_IDRP:  | 
    
    
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    		return ("IDRP"); | 
    
    
    223  | 
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    	case EIGRP_EXT_PROTO_CONN:  | 
    
    
    224  | 
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    		return ("Connected"); | 
    
    
    225  | 
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    	default:  | 
    
    
    226  | 
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    		return ("UNKNOWN"); | 
    
    
    227  | 
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    	}  | 
    
    
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    }  |