1987-01-20 /BB-M080M-SM/01/tcpip-sources/ipipip.enc 1987-06-22 /BB-M080N-SM/01/tcpip-sources/ipipip.enc 1987-11-24 /BB-M080O-SM/01/tcpip-sources/ipipip.enc 1988-08-25 /BB-M081Q-SM/01/tcp-sources/ipipip.enc 1988-11-17 /BB-M081R-SM/01/tcp-sources/ipipip.enc 1989-03-06 /BB-M080S-SM/01/tcp-sources/ipipip.enc 1989-07-18 /SRI_NIC_PERM_SRC_1_19910112/01/7/ap23-tcpip/ipipip.enc 1989-07-18 /bb-m080u-sm_t20_v7_0_23_mon_src_mod/01/tcp-sources/ipipip.enc 1989-10-26 /BB-M080V-SM_1990/01/tcp-sources/ipipip.enc 1990-03-14 /BB-M081Y-SM/01/tcp-sources/ipipip.enc 1990-03-14 /BB-M081Z-SM/01/tcp-sources/ipipip.enc 1990-03-14 /bb-m080w-sm_t20_v7_0_02_mon_src_mod/01/tcp-sources/ipipip.enc 1990-03-14 /bb-m080z-sm/01/tcp-sources/ipipip.enc