Dell PowerEdge FN I/O Module Configuration Guide 9.10(0.0)

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Configuring AS4 Number Representations

Enable one type of AS number representation: ASPLAIN, ASDOT+, or ASDOT.

Term	Description
ASPLAIN	the method Dell Networking OS used for all previous Dell Networking OS versions. It remains the default method with the Dell Networking OS version 8.2.1.0 and later. With the ASPLAIN notation, a 32–bit binary AS number is translated into a decimal value.
ASDOT+	representation splits the full binary 4-byte AS number into two words of 16 bits separated by a decimal point (.): <high-order 16 bit value>.<low-order 16 bit value>.
ASDOT	representation combines the ASPLAIN and ASDOT+ representations. AS numbers less than 65536 appear in integer format (asplain); AS numbers equal to or greater than 65536 appear using the decimal method (asdot+). For example, the AS number 65526 appears as 65526 and the AS number 65546 appears as 1.10.

NOTE: The ASDOT and ASDOT+ representations are supported only with the 4-Byte AS numbers feature. If you do not implement 4-Byte AS numbers, only ASPLAIN representation is supported.

Only one form of AS number representation is supported at a time. You cannot combine the types of representations within an AS.

To configure AS4 number representations, use the following commands.

Enable ASPLAIN AS Number representation. CONFIG-ROUTER-BGP mode bgp asnotation asplain
- NOTE: ASPLAIN is the default method the system uses and does not appear in the configuration display.
Enable ASDOT AS Number representation. CONFIG-ROUTER-BGP mode bgp asnotation asdot
Enable ASDOT+ AS Number representation. CONFIG-ROUTER-BGP mode bgp asnotation asdot+

Example of the `bgp asnotation asplain` Command

Dell(conf-router_bgp)#bgp asnotation asplain
                                 Dell(conf-router_bgp)#sho conf
                                 !
                                 router bgp 100
                                 bgp four-octet-as-support
                                 neighbor 172.30.1.250 remote-as 18508
                                 neighbor 172.30.1.250 local-as 65057
                                 neighbor 172.30.1.250 route-map rmap1 in
                                 neighbor 172.30.1.250 password 7
                                 5ab3eb9a15ed02ff4f0dfd4500d6017873cfd9a267c04957

Dell(conf-router_bgp)#bgp asnotation asdot
                                 Dell(conf-router_bgp)#sho conf
                                 !
                                 router bgp 100
                                 bgp asnotation asdot
                                 bgp four-octet-as-support
                                 neighbor 172.30.1.250 remote-as 18508
                                 neighbor 172.30.1.250 local-as 65057
                                 neighbor 172.30.1.250 route-map rmap1 in
                                 neighbor 172.30.1.250 password 7 
                                 5ab3eb9a15ed02ff4f0dfd4500d6017873cfd9a267c04957

Dell(conf-router_bgp)#bgp asnotation asdot+
                                 Dell(conf-router_bgp)#sho conf
                                 !
                                 router bgp 100
                                 bgp asnotation asdot+
                                 bgp four-octet-as-support
                                 neighbor 172.30.1.250 remote-as 18508
                                 neighbor 172.30.1.250 local-as 65057
                                 neighbor 172.30.1.250 route-map rmap1 in
                                 neighbor 172.30.1.250 password 7 
                                 5ab3eb9a15ed02ff4f0dfd4500d6017873cfd9a267c04957