Do you have any experience of IPSec w/ IKEv1 with juniper IPSec gateway?

I tried to connect to juniper IPSec gateway with IKEv1, but I could not connect it. Do you have any comment?

OCSBC configuraton:

*TSK3820-A# show running-config ike-sainfo

ike-sainfo

    name                           VERIZON_RTO

    security-protocol              esp

    auth-algo                      sha1

    encryption-algo                3des

    ipsec-mode                     tunnel

    tunnel-local-addr              218.55.67.111

    tunnel-remote-addr             1.214.75.62

*TSK3820-A# show running-config ike-config

ike-config

    state                          enabled

    ike-version                    1

    log-level                      DEBUG

    udp-port                       500

    negotiation-timeout            15

    event-timeout                  60

    phase1-mode                    main

    phase1-dh-mode                 dh-group2

    v2-ike-life-secs               86400

    v2-ipsec-life-secs             28800

    phase1-life-seconds            86400

    phase1-life-secs-max           86400

    phase2-life-seconds            3600

    phase2-life-secs-max           86400

    phase2-exchange-mode           no-forward-secrecy

    shared-password                

    eap-protocol                   eap-radius-passthru

    eap-bypass-identity            disabled

    addr-assignment                local

    dpd-time-interval              0

    overload-threshold             100

    overload-interval              1

        overload-action                none                                

    overload-critical-threshold    100

    overload-critical-interval     1

    red-port                       1995

    red-max-trans                  10000

    red-sync-start-time            5000

    red-sync-comp-time             1000

    sd-authentication-method       shared-password

    certificate-profile-id        

*TSK3820-A# show running-config ike-interface