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IPv6 Debug "SAS Picked Source"

What does this mean. I know that the router has decided to pick the source interface, does SAS, just mean Source Address Station?

3745Metro1#

3745Metro1#debug ipv6 pack det2222:2222:2222:2222:2222:2222:2222:222232debug ipv6 pack det ping ipv6

Target IPv6 address: 2222:2222:2222:2222:2222:2222:2222:2222

Repeat count [5]:

Datagram size [100]:

Timeout in seconds [2]:

Extended commands? [no]:

Type escape sequence to abort.

Sending 5, 100-byte ICMP Echos to 2222:2222:2222:2222:2222:2222:2222:2222, timeout is 2 seconds:

!!!!!

Success rate is 100 percent (5/5), round-trip min/avg/max = 1/1/4 ms

3745Metro1#

3745Metro1#

*Apr 5 16:41:20 BST: IPv6: SAS picked source 6666:6666:6666:6666:6666:6666:6666:6666 for 2222:2222:2222:2222:2222:2222:2222:2222 (FastEthernet1/0)

*Apr 5 16:41:20 BST: IPv6: nexthop 6666:6666:6666:6666:6666:6666:6666:6667,

*Apr 5 16:41:20 BST: IPV6: source 6666:6666:6666:6666:6666:6666:6666:6666 (local)

*Apr 5 16:41:20 BST: dest 2222:2222:2222:2222:2222:2222:2222:2222 (FastEthernet1/0)

*Apr 5 16:41:20 BST: traffic class 0, flow 0x0, len 100+0, prot 58, hops 64, originating

*Apr 5 16:41:20 BST: IPv6: Sending on FastEthernet1/0

*Apr 5 16:41:20 BST: IPV6: source 2222:2222:2222:2222:2222:2222:2222:2222 (FastEthernet1/0)

*Apr 5 16:41:20 BST: dest 6666:6666:6666:6666:6666:6666:6666:6666

*Apr 5 16:41:20 BST: traffic class 0, flow 0x0, len 100+14, prot 58, hops 64, forward to ulp

Many thx indeed.

Ken

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