| Bug ID |
12605
|
| Summary |
Wireshark don't decode BGP capability codes 2 and 128 differently
|
| Product |
Wireshark
|
| Version |
Git
|
| Hardware |
All
|
| OS |
All
|
| Status |
UNCONFIRMED
|
| Severity |
Minor
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Created attachment 14712 [details]
BGP Open packet
Build Information:
Version 2.1.1-git (v2.1.1rc0-430-g5758aa5 from unknown)
--
Dear Wireshark developers,
Currently, Wireshark don't decode BGP capability codes 2 and 128 differently,
although code 2 is standardized Route Refresh Capability for BGP-4 and 128 is
vendor-specific one [1]. For example, Cisco routers interpret the capabilities
as ROUTE-REFRESH capability(new) and ROUTE-REFRESH capability(old) accordingly.
Below is the debug message for a received capabilities:
BGP: 10.255.255.2 passive rcvd OPEN w/ optional parameter type 2 (Capability)
len 2
BGP: 10.255.255.2 passive OPEN has CAPABILITY code: 2, length 0
BGP: 10.255.255.2 passive OPEN has ROUTE-REFRESH capability(new) for all
address-families
BGP: 10.255.255.2 passive rcvd OPEN w/ optional parameter type 2 (Capability)
len 2
BGP: 10.255.255.2 passive OPEN has CAPABILITY code: 128, length 0
BGP: 10.255.255.2 passive OPEN has ROUTE-REFRESH capability(old) for all
address-families
The BGP Open packet is attached.
[1] http://www.iana.org/assignments/capability-codes/capability-codes.xhtml
Thanks!
Garri
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