encode SN-VPN-Name = "foo"
data 1a 0d 00 00 1f e4 00 02 00 07 66 6f 6f

decode 1a 0d 00 00 1f e4 00 02 00 07 66 6f 6f
data SN-VPN-Name = "foo"

encode USR-Event-Id = 1234
data 1a 0e 00 00 01 ad 00 00 bf be 00 00 04 d2

decode 1a 0e 00 00 01 ad 00 00 bf be 00 00 04 d2
data USR-Event-Id = 1234

decode 1a 15 00 00 4e 20 01 0f 6c 69 74 68 69 61 73 70 72 69 6e 67 73
data Attr-26.20000.1 = 0x6c6974686961737072696e6773

decode 1a 2e 00 00 00 2b 1c 02 01 06 00 00 00 00 3c 20 31 35 35 2e 34 2e 31 32 2e 31 30 30 20 30 30 3a 30 30 3a 30 30 3a 30 30 3a 30 30 3a 30 30
data 3Com-User-Access-Level = 3Com-Visitor, 3Com-Ip-Host-Addr = "155.4.12.100 00:00:00:00:00:00"

decode 1a 2c 00 00 00 2b 01 06 00 00 00 00 3c 20 31 35 35 2e 34 2e 31 32 2e 31 30 30 20 30 30 3a 30 30 3a 30 30 3a 30 30 3a 30 30 3a 30 30
data 3Com-User-Access-Level = 3Com-Visitor, 3Com-Ip-Host-Addr = "155.4.12.100 00:00:00:00:00:00"

encode Vendor-Specific = 0xabcdef
data Must use 'Attr-26 = ...' instead of 'Vendor-Specific = ...'

encode Attr-26 = 0x00000009abcdef
data 1a 09 00 00 00 09 ab cd ef

attribute Attr-26 = 0x00000009abcdef
data Attr-26 = 0x00000009abcdef
attribute Ascend-Data-Filter = 0x01010100010203040a0b0c0d05200600000504d2020200000000000000000000
data Ascend-Data-Filter = "ip in forward srcip 1.2.3.4/5 dstip 10.11.12.13/32 tcp srcport = 5 dstport = 1234"

encode -
data 1a 28 00 00 02 11 f2 22 01 01 01 00 01 02 03 04 0a 0b 0c 0d 05 20 06 00 00 05 04 d2 02 02 00 00 00 00 00 00 00 00 00 00

decode 1a2800000211f22201010100010203040a0b0c0d05200600000504d2020200000000000000000000
data Ascend-Data-Filter = "ip in forward srcip 1.2.3.4/5 dstip 10.11.12.13/32 tcp srcport = 5 dstport = 1234"

# this untagged tunnel encrypted VSA is valid in both access accepts and CoA requests
encode ERX-LI-Action = off
decode -
data ERX-LI-Action = off

packet coa_request
original null
encode ERX-LI-Action = off
decode -
data ERX-LI-Action = off