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traceroute output

sonasoma
Level 1
Level 1

Hi,

While putting traceroute for an ip , i am getting the follwoing ....

Type escape sequence to abort.

Tracing the route to x.x.x.x

1 x.x.x.x !A * !A

What is this !A means.?

Thanks in advance

soma

3 Replies 3

virtanet
Level 1
Level 1

Soma,

It'll do this when the destination you're trying to trace to has an ACL blocking ICMP. The "A" stand for an ICMP code "administratively-prohibited".

Cheers,

Matt

saimbt
Level 1
Level 1

Hi,

"A" stands for Admin Denied (Access List)

Possible Ping or Traceroute codes

! Success

* Time out

N Network Unreachable

H Host Unreachable

P Protocol Unreachable

A Admin Denied (Access List)

Q Source Quench Received (Congestion)

? Unknown (any other ICMP message)

Sai..

Not applicable