bgpd: CLI changes for EAD routes and ES/ES-EVI display

bgpd: CLI changes for EAD routes and ES/ES-EVI display

1. Sample ES display
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torm-11# sh bgp l2vpn evpn es
ES Flags: L local, R remote, I inconsistent
VTEP Flags: E ESR/Type-4, A active nexthop
ESI                            Flags RD                    #VNIs    VTEPs
03:00:00:00:00:01:11:00:00:01  LR    27.0.0.15:15          10       27.0.0.16(EA)
03:00:00:00:00:01:22:00:00:02  LR    27.0.0.15:16          10       27.0.0.16(EA)
03:00:00:00:00:01:22:00:00:03  LR    27.0.0.15:17          10       27.0.0.16(EA)
03:00:00:00:00:02:11:00:00:01  R     -                     10       27.0.0.17(A),27.0.0.18(A)
03:00:00:00:00:02:22:00:00:02  R     -                     10       27.0.0.17(A),27.0.0.18(A)
03:00:00:00:00:02:22:00:00:03  R     -                     10       27.0.0.17(A),27.0.0.18(A)
torm-11#

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2. Sample ES-EVI display
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torm-11# sh bgp l2vpn evpn es-evi
Flags: L local, R remote, I inconsistent
VTEP-Flags: E EAD-per-ES, V EAD-per-EVI
VNI      ESI                            Flags VTEPs
1005     03:00:00:00:00:01:11:00:00:01  LR    27.0.0.16(EV)
1005     03:00:00:00:00:01:22:00:00:02  LR    27.0.0.16(EV)
1005     03:00:00:00:00:01:22:00:00:03  LR    27.0.0.16(EV)
1005     03:00:00:00:00:02:11:00:00:01  R     27.0.0.17(EV),27.0.0.18(EV)
1005     03:00:00:00:00:02:22:00:00:02  R     27.0.0.17(EV),27.0.0.18(EV)
1005     03:00:00:00:00:02:22:00:00:03  R     27.0.0.17(EV),27.0.0.18(EV)
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3. Sample EAD route display
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torm-11# sh bgp l2vpn evpn route type ead
BGP table version is 19, local router ID is 27.0.0.15
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal
Origin codes: i - IGP, e - EGP, ? - incomplete
EVPN type-1 prefix: [4]:[ESI]:[EthTag]:[IPlen]:[VTEP-IP]
EVPN type-2 prefix: [2]:[EthTag]:[MAClen]:[MAC]:[IPlen]:[IP]
EVPN type-3 prefix: [3]:[EthTag]:[IPlen]:[OrigIP]
EVPN type-4 prefix: [4]:[ESI]:[IPlen]:[OrigIP]
EVPN type-5 prefix: [5]:[EthTag]:[IPlen]:[IP]

   Network          Next Hop            Metric LocPrf Weight Path
                    Extended Community
Route Distinguisher: 27.0.0.15:5
*> [1]:[0]:[03:00:00:00:00:01:11:00:00:01]:[128]:[0.0.0.0]
                    27.0.0.15                          32768 i
                    ET:8 RT:5550:1009
*> [1]:[0]:[03:00:00:00:00:01:22:00:00:02]:[128]:[0.0.0.0]
                    27.0.0.15                          32768 i
                    ET:8 RT:5550:1009
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Signed-off-by: Anuradha Karuppiah <anuradhak@cumulusnetworks.com>