Hi, Am i right ? Policy for ipv4 accept and send upto /24 Policy for ipv6 accept and send upto /48 ------------------------------------------------------------- I confused when i checked the ipv6 prefix at route-view and ntt looking glass. Example : seem like AS2914 accepted the /64 prefix from AS20940 NTT looking output Query Results: Router: Ashburn, VA - US Command: show bgp ipv6 unicast 2001:418:1401:9:: BGP routing table entry for 2001:418:1401:9::/64 Versions: Process bRIB/RIB SendTblVer Speaker 64282538 64282538 Last Modified: Oct 12 13:27:02.644 for 28w1d Paths: (1 available, best #1) Advertised to update-groups (with more than one peer): 0.10 0.28 0.38 0.39 0.40 0.49 Advertised to peers (in unique update groups): 2001:418:0:5000::9bd 2001:418:0:5000::1b7 2001:418:0:5000::fc3 2001:418:0:5000::5b1 Path #1: Received by speaker 0 Advertised to update-groups (with more than one peer): 0.10 0.28 0.38 0.39 0.40 0.49 Advertised to peers (in unique update groups): 2001:418:0:5000::9bd 2001:418:0:5000::1b7 2001:418:0:5000::fc3 2001:418:0:5000::5b1 20940 20940 2001:418:0:5000::419 (metric 5010) from (129.250.0.117) Origin IGP, metric 0, localpref 120, valid, confed-internal, best, group-best Received Path ID 0, Local Path ID 1, version 64282538 Community: 2914:370 2914:1009 2914:2000 2914:3000 20940:411 route-view : 2001:418:0:1000::F016 4 2914 304889 22799 30638084 0 0 1w0d 36959 route-views>show bgp ipv6 un nei 2001:418:0:1000::F016 routes | i /56 *> 2001:218:200E:100::/56 *> 2001:218:200E:200::/56 *> 2001:218:200E:300::/56 *> 2001:218:200E:400::/56 *> 2001:218:3003:100::/56 *> 2001:218:3003:200::/56 *> 2001:418:141B:200::/56 *> 2001:418:141F:100::/56 *> 2001:418:141F:200::/56 *> 2001:418:1420:200::/56 *> 2001:418:1427:100::/56 *> 2001:418:1427:300::/56 *> 2001:418:142A:100::/56 *> 2001:418:142A:300::/56 *> 2001:418:143A:100::/56 *> 2001:418:143B:100::/56 *> 2001:418:1446:100::/56 *> 2001:418:1446:300::/56 *> 2001:418:1456:200::/56 *> 2001:418:1456:A00::/56 *> 2001:418:3801:100::/56 *> 2001:728:2003:100::/56 *> 2600:C0B:2:100::/56 *> 2600:C0B:3010::/56 *> 2600:C0B:3010:200::/56 *> 2607:F360:100:100::/56 route-views>show bgp ipv6 un nei 2001:418:0:1000::F016 routes | i /64 *> 2001:418:1401:1::/64 *> 2001:418:1401:4::/64 *> 2001:418:1401:7::/64 *> 2001:418:1401:9::/64 *> 2001:418:1401:E::/64 *> 2001:418:1401:F::/64 *> 2001:418:1401:98::/64 *> 2001:418:1C01:1::/64 *> 2001:418:3801:3::/64 *> 2001:728:1808:3::/64 *> 2001:728:1808:4::/64 *> 2001:7F8:F::/64 2001:418:0:1000::F016 *> 2001:DF0:1E:4000::/64 *> 2001:DF5:B400::/64 *> 2400:8B00:1000:2::/64 * 2400:8B00:1100:1::/64 *> 2400:ED00::/64 2001:418:0:1000::F016 *> 2401:2700:1::/64 2001:418:0:1000::F016 *> 2407:0:0:1::/64 2001:418:0:1000::F016 *> 2407:0:0:2::/64 2001:418:0:1000::F016 * 2407:0:0:4::/64 2001:418:0:1000::F016 *> 2407:0:0:A::/64 2001:418:0:1000::F016 *> 2407:0:0:12::/64 2001:418:0:1000::F016 *> 2407:0:1000:4::/64 *> 2407:0:1000:8::/64 *> 2607:3E80::/64 2001:418:0:1000::F016 *> 2607:3E80:0:1::/64 *> 2607:3E80:0:2::/64 *> 2607:3E80:0:3::/64 *> 2607:3E80:0:4::/64 *> 2607:3E80:0:5::/64 *> 2607:3E80:0:6::/64 *> 2620:116:B097::/64 *> 2801:80:E0:1800::/64 *> 2801:80:E0:1801::/64 *> 2804:14C:5FF9:3::/64 *> 2804:14C:5FF9:8::/64 *> 2804:14C:87F9:D::/64 *> 2804:14C:87F9:E::/64 *> 2804:14C:9D10:672::/64 *> 2804:14C:DEFF:1::/64 *> 2804:14C:DEFF:4::/64 *> 2804:14D:10F9:1::/64 *> 2804:14D:16F9:5::/64 *> 2804:14D:2AF9:2::/64 *> 2804:14D:3CF9:4::/64 *> 2804:14D:5CF9::/64 *> 2804:14D:5CF9:1::/64 *> 2804:14D:5CF9:4::/64 *> 2804:14D:5CF9:5::/64 *> 2804:14D:5CF9:6::/64 *> 2804:14D:5CF9:A::/64 *> 2804:14D:5CF9:B::/64 *> 2804:14D:5CF9:C::/64 *> 2804:14D:90F9:5::/64 *> 2804:14D:A210:672::/64 *> 2804:14D:A211:672::/64 *> 2804:138B:B040:A2::/64 *> 2804:138B:C040:A2::/64 *> 2A00:5400:3000::/64 *> 2A02:B60::/64 2001:418:0:1000::F016 *> 2A02:B60:0:F::/64 *> 2A02:B60:2000:3::/64 *> 2001:418:1401:9::/64 2001:418:0:1000::F016 10631 0 2914 20940 20940 i route-views>show ipv6 route 2001:418:1401:9::/64 longer-prefixes IPv6 Routing Table - default - 41191 entries Codes: C - Connected, L - Local, S - Static, U - Per-user Static route B - BGP, R - RIP, H - NHRP, I1 - ISIS L1 I2 - ISIS L2, IA - ISIS interarea, IS - ISIS summary, D - EIGRP EX - EIGRP external, ND - ND Default, NDp - ND Prefix, DCE - Destination NDr - Redirect, O - OSPF Intra, OI - OSPF Inter, OE1 - OSPF ext 1 OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1, ON2 - OSPF NSSA ext 2 la - LISP alt, lr - LISP site-registrations, ld - LISP dyn-eid a - Application B 2001:418:1401:9::/64 [20/10631] via 2001:418:0:1000::F016 best regards