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Example of BGP update message sent from Junos for a VPLS circuit https://forum.ivorde.com/example-of-bgp-update-message-sent-from-junos-for-a-vpls-circuit-t14731.html |
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Author: | mandrei99 [ Fri Jul 19, 2013 9:24 am ] |
Post subject: | Example of BGP update message sent from Junos for a VPLS circuit |
Example of BGP update message sent from Junos for a VPLS circuit Note the use of the BGP extended target communities Code: Border Gateway Protocol - UPDATE Message
Marker: ffffffffffffffffffffffffffffffff Length: 88 Type: UPDATE Message (2) Unfeasible routes length: 0 bytes Total path attribute length: 65 bytes Path attributes ORIGIN: IGP (4 bytes) Flags: 0x40 (Well-known, Transitive, Complete) Type code: ORIGIN (1) Length: 1 byte Origin: IGP (0) AS_PATH: empty (3 bytes) Flags: 0x40 (Well-known, Transitive, Complete) Type code: AS_PATH (2) Length: 0 bytes AS path: empty LOCAL_PREF: 100 (7 bytes) Flags: 0x40 (Well-known, Transitive, Complete) Type code: LOCAL_PREF (5) Length: 4 bytes Local preference: 100 EXTENDED_COMMUNITIES: (19 bytes) Flags: 0xc0 (Optional, Transitive, Complete) Type code: EXTENDED_COMMUNITIES (16) Length: 16 bytes Carried Extended communities two-octet AS specific Route Target: 64512:10 Layer 2 Information: Unknown, Control Flags: none, MTU: 0 bytes Encapsulation: Unknown Control Flags: Control Word not required, Sequenced delivery not required MTU: 0 bytes MP_REACH_NLRI (32 bytes) Flags: 0x90 (Optional, Non-transitive, Complete, Extended Length) Type code: MP_REACH_NLRI (14) Length: 28 bytes Address family: Layer-2 VPN (25) Subsequent address family identifier: VPLS (65) Next hop network address (4 bytes) Subnetwork points of attachment: 0 Network layer reachability information (19 bytes) RD: 172.16.2.2:10, CE-ID: 11, Label-Block Offset: 9, Label-Block Size: 8, Label Base 262145 (bottom) |
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