[c-nsp] Packet Loss when sourced from VLAN but not switch

[Christian Koch]

Hi all,


Having an issue maybe someone can shed some light on.

When I ping from the switch, 300bytes+ to Specificed IP I receive no
packet loss

edge5-gw2#ping
Protocol [ip]: 
Target IP address: 213.52.216.4
Repeat count [5]: 100
Datagram size [100]: 300
Timeout in seconds [2]: 
Extended commands [n]: 
Sweep range of sizes [n]: 
Type escape sequence to abort.
Sending 100, 300-byte ICMP Echos to 213.52.216.4, timeout is 2 seconds:
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Success rate is 100 percent (100/100), round-trip min/avg/max = 1/5/120
ms

When I ping from the switch sourcing the vlan, I receive packet loss

edge5-gw2#ping                  
Protocol [ip]:                    
Target IP address: 212.71.229.25         
Repeat count [5]: 500
Datagram size [100]: 500
Timeout in seconds [2]: 
Extended commands [n]: y
Source address or interface: vlan318               
Type of service [0]: 
Set DF bit in IP header? [no]: 
Validate reply data? [no]: 
Data pattern [0xABCD]: 
Loose, Strict, Record, Timestamp, Verbose[none]: 
Sweep range of sizes [n]: 
Type escape sequence to abort.
Sending 500, 500-byte ICMP Echos to 212.71.229.25, timeout is 2 seconds:
Packet sent with a source address of 213.52.216.6 
.!!!!!!!!!!!!!.!.!!!!!!!!!!!!!!!!!!!!!!!.!!.!!!!.!!!!.!!!!!!!!!!!!.!.!
!!!!!!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!.!!!.!!!!
!!!!!!!!!.!!.!!!!!!!!!!.!!!!.!.!!!!..!!!!!!!!!!!!!!!!..!.!!!.!!!!!!!!!
!!!!.!!!!!.!!!!!!.!!!.!!!!!!!!!.!.!!.!!!!!!!!!!!!!!!!!!.!.!.!!.!.!!!!!
!.!!!.!!!!!!!!.!!..!!!!!!!!!!!.!!!!.!!!..!.!!!!!!!!!!!!!!.!!!.!!.!!!!!
!!!!!!!!!!!!.!!!!!!!!!.!!!.!!!!!!!!!!!!!!!!!!!!.!!!!!!!!!!!!!!!!!!!!!!
!!!.!!!!!!!!!!!!!!!!!!.!.!!.!!!...!!!.!!!.!!.!!!.!!!!!!!!.!!!!!!!!!!.!
!!!!!!!!!!
Success rate is 87 percent (435/500), round-trip min/avg/max = 1/5/700
ms
edge5-gw2.LHR3#


Anyone have any ideas or insight on what and why this may be happening?

Thanks