I found a solution to this problem. It was necessary to additionally set the mode in menuconfig.

esp_zb_cfg_t zb_nwk_cfg = {
.esp_zb_role = ESP_ZB_DEVICE_TYPE_ROUTER,
.install_code_policy = INSTALLCODE_POLICY_ENABLE,
.nwk_cfg.zczr_cfg = {
.max_children = 10,
},
};
esp_zb_init(&zb_nwk_cfg);


I (27) boot: ESP-IDF v5.4-dev-1205-ge7070e777a 2nd stage bootloader
I (27) boot: compile time ...