North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: Traffic to our customer's address(126.0.0.0/8) seems blocked by packet filter
On 3 Aug 2005, at 16:15, Roy Badami wrote: [[email protected]]# ifconfig lo0 inet 126.255.255.255 netmask 255.255.255.255 aliasMarlon> just remember that not all networks use '126.255.255.255' Marlon> as a broadcast address. there are non-broadcast networks Marlon> where that address is a 'host' one. Surely the only networks on which this can be a host are: one using a /7 or shorter netmask a /31 (as per RFC3021) [[email protected]]# ping 126.255.255.255 PING 126.255.255.255 (126.255.255.255): 56 data bytes 64 bytes from 126.255.255.255: icmp_seq=0 ttl=64 time=0.088 ms 64 bytes from 126.255.255.255: icmp_seq=1 ttl=64 time=0.062 ms ^C --- 126.255.255.255 ping statistics --- 2 packets transmitted, 2 packets received, 0% packet loss round-trip min/avg/max/stddev = 0.062/0.075/0.088/0.013 ms [[email protected]]# Inserting the host route for 126.255.255.255/32 into an adjacent IGP is similarly straightforward. Joe
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