Destination Host Unreachable

[sims]

Hi,When I am pinging I am getting randomly   "Vr HL TOS  Len   ID Flg  off TTL Pro  cks      Src      Dst" .Why is that and How to stop  ping 10.0.5.9PING 10.0.5.9 (10.0.5.9): 56 data bytesRequest timeout for icmp_seq 0Request timeout for icmp_seq 1Request timeout for icmp_seq 292 bytes from fw1(10.0.2.1): Destination Host UnreachableVr HL TOS  Len   ID Flg  off TTL Pro  cks      Src      Dst 4  5  00 5400 558e   0 0000  3e  01 b57f 10.0.7.100  10.0.5.9  92 bytes from fw1(10.0.2.1): Destination Host UnreachableVr HL TOS  Len   ID Flg  off TTL Pro  cks      Src      Dst 4  5  00 5400 d868   0 0000  3e  01 32a5 10.0.7.100  10.0.5.9  92 bytes from fw1(10.0.2.1): Destination Host UnreachableVr HL TOS  Len   ID Flg  off TTL Pro  cks      Src      Dst 4  5  00 5400 612c   0 0000  3e  01 a9e1 10.0.7.100  10.0.5.9  Request timeout for icmp_seq 3Request timeout for icmp_seq 4Request timeout for icmp_seq 5Request timeout for icmp_seq 6 Thanks

[OneOfUs]

How is the firewall learning the route to the destination network (10.0.5.9)?  Off hand, it looks like it could be a flapping route.  If it's dynamic look for messages relating to the routing protocol (BGP / OSPF) if static, make sure you are not seeing interface drops.

When the ping is failing make sure you see the route in the Route Monitor or from the CLI type:

get router info routing-table all

- or - 

get router info routing-table details 10.0.5.9

[sims]

Hi,

Thanks for the reply . I  can see the route in the routing table . The host actually does not exist . 

But I don't know why it showing the mentioned messages 

Thanks