查看完整版本: nbma上ospf的attempt状态

nbma上ospf的attempt状态

　　　　r1--------------r2--------------r3
               s1/1       s1/0 s1/1        s1/0
                               FRSW


r1:interface Loopback0
ip address 1.1.1.1 255.255.255.0
interface Serial1/1
ip address 13.1.1.1 255.255.255.0
encapsulation frame-relay

router ospf 1
router-id 1.1.1.1
log-adjacency-changes
network 13.1.1.0 0.0.0.255 area 0
neighbor 13.1.1.3

r2:frame-relay switching
interface Serial1/0
no ip address
encapsulation frame-relay
serial restart-delay 0
frame-relay intf-type dce
frame-relay route 103 interface Serial1/1 301

interface Serial1/1
no ip address
encapsulation frame-relay
serial restart-delay 0
frame-relay intf-type dce
frame-relay route 301 interface Serial1/0 103

r3:interface Loopback0
ip address 3.3.3.3 255.255.255.0
ip ospf network point-to-point

interface Serial1/0
ip address 13.1.1.3 255.255.255.0
encapsulation frame-relay

router ospf 1
router-id 3.3.3.3
log-adjacency-changes
network 13.1.1.0 0.0.0.255 area 0
neighbor 13.1.1.1

先起二层FR ,再配三层ospf,等稳定了．r1 r3 debug ip  os adj

shut r1 s1/1,再no shut r1 s1/1,等到attempt状态，shut rf1 s1/1,观察120s的poll
r1#sho ip ospf neighbor

Neighbor ID     Pri   State           Dead Time   Address         Interface
N/A               0   ATTEMPT/DROTHER    -        13.1.1.3        Serial1/1


r1#
*Oct 26 16:31:26.983: OSPF: Sending poll to 0.0.0.0 address 13.1.1.3 on Serial1/1
*Oct 26 16:33:26.983: OSPF: Sending poll to 0.0.0.0 address 13.1.1.3 on Serial1/1
*Oct 26 16:35:26.983: OSPF: Sending poll to 0.0.0.0 address 13.1.1.3 on Serial1/1
*Oct 26 16:37:26.983: OSPF: Sending poll to 0.0.0.0 address 13.1.1.3 on Serial1/1
*Oct 26 16:39:26.983: OSPF: Sending poll to 0.0.0.0 address 13.1.1.3 on Serial1/1

偶路过               ............:loveliness: