mam problem z BGP, wg. mnie jest wszystko ok, ale operator mnie nie widzi. Dwóch isp podpiętych jest przez moduł switcha WIC. Rozgłaszana przez nas sieć nie jest w całości zapięta na interfejsie, tylko jej 1/4 - ale to chyba nie jest problem.
Config:
Kod: Zaznacz cały
router bgp AS_MY
bgp router-id A.A.A.1
bgp log-neighbor-changes
network A.A.A.0 mask 255.255.254.0
neighbor B.B.B.B remote-as AS_ISP1
neighbor B.B.B.B next-hop-self
neighbor C.C.C.C remote-as AS_ISP2
neighbor C.C.C.C ebgp-multihop 255
interface Vlan2
ip address B.B.B.2 255.255.255.248 secondary
ip address C.C.C.C.2 255.255.255.252 secondary
ip address A.A.A.A 255.255.255.128
ip access-group ACL_BlockFromInternet in
no ip redirects
no ip unreachables
no ip proxy-arp
ip nat outside
no ip virtual-reassembly in
crypto map dynmap
end
Kod: Zaznacz cały
R1#sh ip bgp neighbors C.C.C.1 advertised-routes
Total number of prefixes 0
R1##sh ip bgp neighbors C.C.C.2
BGP neighbor is C.C.C.2, remote AS AS_ISP2, external link
BGP version 4, remote router ID C.C.C.2
BGP state = Established, up for 09:45:06
Last read 00:00:10, last write 00:00:11, hold time is 180, keepalive interval is 60 seconds
Neighbor sessions:
1 active, is not multisession capable (disabled)
Neighbor capabilities:
Route refresh: advertised and received(new)
Four-octets ASN Capability: advertised
Address family IPv4 Unicast: advertised and received
Enhanced Refresh Capability: advertised
Multisession Capability:
Stateful switchover support enabled: NO for session 1
Message statistics:
InQ depth is 0
OutQ depth is 0
Sent Rcvd
Opens: 1 1
Notifications: 0 0
Updates: 1 146724
Keepalives: 643 587
Route Refresh: 0 0
Total: 645 147312
Default minimum time between advertisement runs is 30 seconds
For address family: IPv4 Unicast
Session: C.C.C.2
BGP table version 3976565, neighbor version 3976565/0
Output queue size : 0
Index 24, Advertise bit 0
24 update-group member
NEXT_HOP is always this router for eBGP paths
Slow-peer detection is disabled
Slow-peer split-update-group dynamic is disabled
Sent Rcvd
Prefix activity: ---- ----
Prefixes Current: 0 474083 (Consumes 37926640 bytes)
Prefixes Total: 0 768760
Implicit Withdraw: 0 287747
Explicit Withdraw: 0 6930
Used as bestpath: n/a 474083
Used as multipath: n/a 0
Outbound Inbound
Local Policy Denied Prefixes: -------- -------
Bestpath from this peer: 765634 n/a
Total: 765634 0
Number of NLRIs in the update sent: max 1066, min 0
Last detected as dynamic slow peer: never
Dynamic slow peer recovered: never
Refresh Epoch: 1
Last Sent Refresh Start-of-rib: never
Last Sent Refresh End-of-rib: never
Last Received Refresh Start-of-rib: never
Last Received Refresh End-of-rib: never
Sent Rcvd
Refresh activity: ---- ----
Refresh Start-of-RIB 0 0
Refresh End-of-RIB 0 0
Address tracking is enabled, the RIB does have a route to C.C.C.2
Connections established 3; dropped 2
Last reset 09:45:29, due to Active open failed
Transport(tcp) path-mtu-discovery is enabled
Graceful-Restart is disabled
Connection state is ESTAB, I/O status: 1, unread input bytes: 0
Connection is ECN Disabled, Mininum incoming TTL 0, Outgoing TTL 1
Local host: C.C.C.1, Local port: 179
Foreign host: C.C.C.2, Foreign port: 21996
Connection tableid (VRF): 0
Maximum output segment queue size: 50
Enqueued packets for retransmit: 0, input: 0 mis-ordered: 0 (0 bytes)
Event Timers (current time is 0xB014A84):
Timer Starts Wakeups Next
Retrans 645 0 0x0
TimeWait 0 0 0x0
AckHold 7938 829 0x0
SendWnd 0 0 0x0
KeepAlive 78 0 0x0
GiveUp 0 0 0x0
PmtuAger 0 0 0x0
DeadWait 0 0 0x0
Linger 0 0 0x0
ProcessQ 0 0 0x0
iss: 3713669094 snduna: 3713681392 sndnxt: 3713681392
irs: 1025174422 rcvnxt: 1039811187
sndwnd: 15795 scale: 0 maxrcvwnd: 16384
rcvwnd: 16384 scale: 0 delrcvwnd: 0
SRTT: 1000 ms, RTTO: 1003 ms, RTV: 3 ms, KRTT: 0 ms
minRTT: 0 ms, maxRTT: 1000 ms, ACK hold: 200 ms
Status Flags: passive open, gen tcbs
Option Flags: nagle, path mtu capable
IP Precedence value : 6
Datagrams (max data segment is 1460 bytes):
Rcvd: 12736 (out of order: 87), with data: 12101, total data bytes: 14636764
Sent: 14738 (retransmit: 0, fastretransmit: 0, partialack: 0, Second Congestion: 0), with data: 645, total data bytes: 12297
Packets received in fast path: 0, fast processed: 0, slow path: 0
fast lock acquisition failures: 0, slow path: 0
TCP Semaphore 0x413F7E84 FREE
