Ibgp Problem

Linux_Adm linux_adm at aruba.it
Tue Nov 8 03:02:24 CET 2022


Hi
Kernel version is:
Linux ks3353128 5.10.0-15-amd64 #1 SMP Debian 5.10.120-1 (2022-06-09) x86_64 GNU/Linux

Bird Configuration:

log syslog all;
log "/var/log/bird.log" { debug, trace, info, remote, warning, error, auth, fatal, bug };

router id MYIP;

 debug protocols all;

define my_asn = MYASN;
protocol device {
scan time 10;
}

protocol direct {
	disabled;		# Disable by default
	ipv4;			# Connect to default IPv4 table
	ipv6;			# ... and to default IPv6 table
}


protocol kernel {
  ipv6 { export where source != RTS_STATIC;  };   
}

protocol static {
 	ipv6;			# Again, IPv4 channel with default options

}

function is_martian_v6(){
  return net ~ [ ::/96, ::/128, ::1/128, ::ffff:0.0.0.0/96+, ::224.0.0.0/100+, ::127.0.0.0/104+,                                     
                 ::0.0.0.0/104+, ::255.0.0.0/104+, 0000::/8+, 0200::/7+, 3ffe::/16+, 2001:db8::/32+,
                 2002:e000::/20+, 2002:7f00::/24+, 2002:0000::/24+, 2002:ff00::/24+, 2002:0a00::/24+,
                 2002:ac10::/28+, 2002:c0a8::/32+, fc00::/7+, fe80::/10+, fec0::/10+, ff00::/8+ ];
}

protocol static my_routes {
        ipv6;
        route MYNETWORK/48  reject;
}

filter export_my_routes {
        if is_martian_v6()  then reject;
        if proto = "my_routes" then {
                accept;
        }
        reject;
}


protocol bgp iBGP_INSTANCE {
        local  LOCALIP  as MYAS;                
        neighbor NEIGIP as MYAS;  
        keepalive time 5;               
        graceful restart;                    
        ipv6 {
                 next hop self;
                 cost 50;
                 import all;
        };

}

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