One of the first things a router does with an IP packet is decrement the
TTL by one. If that causes the TTL to be zero, the router drops the packet
and sends an ICMP Time Exceeded (type 11), TTL Expired (code 0) message.
Priscilla
At 04:33 PM 3/22/01, Zhiping Li wrote:
>hi,everyone
>We know that when a trace begins from a host,
>the TTL in the first packet is "1".
>The default router will discard this packet,
>and returns a ICMP error message.
>But I remember that router discards
>"packets with TTL=0".
>Could anyone explain indeed how the router handle
>the packet with TTL?
>Thanks.
>
>
>__________________________________________________
>Do You Yahoo!?
>Get email at your own domain with Yahoo! Mail.
>http://personal.mail.yahoo.com/
>
>_________________________________
>FAQ, list archives, and subscription info:
>http://www.groupstudy.com/list/cisco.html
>Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
________________________
Priscilla Oppenheimer
http://www.priscilla.com
_________________________________
FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
