I had the same problem here is solution : Reset switch : Hold the mode key for 2 min and switch on the power  press enter  you will get below option  Command 1:   switch: flash_init Command 2: switch: boot flash:packages.conf.00-   It will look like below :   Booting...(use DDR clock 667 MHz) Interface GE 0 link down***ERROR: PHY link is down The "IP_ADDR" environment variable is not set. The system has been interrupted prior to initializing some filesystems and loading the operating system software. Console will be reset to 9600 baud rate, need to change terminal setting first. The following commands will initialize the remaining filesystems, and finish loading the operating system software: flash_init boot switch: switch: switch: flash_init Initializing Flash... flashfs[7]: 0 files, 1 directories flashfs[7]: 0 orphaned files, 0 orphaned directories flashfs[7]: Total bytes: 6784000 flashfs[7]: Bytes used: 1024 flashfs[7]: Bytes available: 6782976 flashfs[7]: flashfs fsck took 1 seconds....done Initializing Flash. switch: dir flash: Directory of flash:/ 32065 drwx 4096 . 2 drwx 4096 .. 32066 -rw- 2097152 nvram_config 32067 -rw- 19167872 cat3k_caa-guestshell.16.06.05.SPA.pkg 32068 -rw- 27904156 cat3k_caa-rpbase.16.06.05.SPA.pkg 32069 -rw- 336210552 cat3k_caa-rpcore.16.06.05.SPA.pkg 32070 -rw- 5051008 cat3k_caa-srdriver.16.06.05.SPA.pkg 32071 -rw- 16257660 cat3k_caa-webui.16.06.05.SPA.pkg 112228 -rw- 1236 packages.conf 32073 drwx 4096 .installer 32074 -rw- 111 bootloader_evt_handle.log 32075 drwx 4096 core 64129 drwx 4096 .prst_sync 80161 drwx 4096 .rollback_timer 88177 drwx 4096 gs_script 96193 drwx 4096 dc_profile_dir 32076 -rw- 128103 memleak.tcl 32078 -rw- 2097152 nvram_config_bkup 32079 -rw- 35 pnp-tech-time 32080 -rw- 61768 pnp-tech-discovery-summary 32081 -rw- 76 boothelper.log 32072 -rw- 0 .onreboot 32092 -rw- 83297376 cat3k_caa-base.SPA.03.06.05E.pkg 32085 -rw- 4012732 cat3k_caa-drivers.SPA.03.06.05E.pkg 32089 -rw- 33786860 cat3k_caa-infra.SPA.03.06.05E.pkg 32087 -rw- 43048256 cat3k_caa-iosd-universalk9.SPA.152-2.E5.pkg 32088 -rw- 28343180 cat3k_caa-platform.SPA.03.06.05E.pkg 32091 -rw- 1236 cat3k_caa-universalk9.SPA.03.06.05.E.152-2.E5.conf 32086 -rw- 111260480 cat3k_caa-wcm.SPA.10.2.150.0.pkg 32084 -rw- 3902 packages.conf.00- 2641031168 bytes available (773459968 bytes used) switch: boot flash:packages.conf.00- Getting rest of image Reading full image into memory...Check base package header ...: done = 16384 Getting rest of image Reading full image into memory....done Reading full base package into memory...: done = 27904156 Bundle Image -------------------------------------- Kernel Address : 0x5377c3bc Kernel Size : 0x365d89/3562889 Initramfs Address : 0x53ae2145 Initramfs Size : 0x16ddf57/23977815 Compression Format: mzip Bootable image at @ ram:0x5377c3bc Bootable image segment 0 address range [0x81100000, 0x81bffb30] is in range [0x80180000, 0x90000000]. @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@boot_system: 623 Loading Linux kernel with entry point 0x816e0330 ... Bootloader: Done loading app on core_mask: 0x3f ### Launching Linux Kernel (flags = 0x5) %IOSXEBOOT-5c8e9d6656e9d89a8dedeae457871084-new_cksum: (rp/0): 4 %IOSXEBOOT-5c8e9d6656e9d89a8dedeae457871084-saved_cksum: (rp/0): 4 Both links down, not waiting for other switches Switch number is 1 ... View more

Thanks Balaji,   Is it possible memory issue because of the long line of code?  ... View more

Thanks for help  In my case VLAN 1 already used, so I should create native VLAN for any new trunk prort. So it should not pass VLAN 1 traffic  intreface gi11-13 #switchport trunk native vlan 3 (any non used vlan) # switchport trunk allowed vlan add 7,12...   ... View more

VLAN 1 is data Vlan configured in this switch    WebIntSw1#show running-config interface vlan 1 'interface vlan 1 ip address 172.30.0.23 255.255.255.0 no ip address dhcp !     ... View more